This is an inofficial mirror of http://metamath.tirix.org for personal testing of a visualizer extension only.
Description: E projects every interval of the partition induced by S on H into a corresponding interval of the partition induced by Q on [ A , B ] . (Contributed by Glauco Siliprandi, 11-Dec-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | fourierdlem79.t | ⊢ 𝑇 = ( 𝐵 − 𝐴 ) | |
| fourierdlem79.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐴 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | ||
| fourierdlem79.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | ||
| fourierdlem79.q | ⊢ ( 𝜑 → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) | ||
| fourierdlem79.c | ⊢ ( 𝜑 → 𝐶 ∈ ℝ ) | ||
| fourierdlem79.d | ⊢ ( 𝜑 → 𝐷 ∈ ℝ ) | ||
| fourierdlem79.cltd | ⊢ ( 𝜑 → 𝐶 < 𝐷 ) | ||
| fourierdlem79.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐶 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | ||
| fourierdlem79.h | ⊢ 𝐻 = ( { 𝐶 , 𝐷 } ∪ { 𝑥 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 } ) | ||
| fourierdlem79.n | ⊢ 𝑁 = ( ( ♯ ‘ 𝐻 ) − 1 ) | ||
| fourierdlem79.s | ⊢ 𝑆 = ( ℩ 𝑓 𝑓 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ) | ||
| fourierdlem79.e | ⊢ 𝐸 = ( 𝑥 ∈ ℝ ↦ ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) ) | ||
| fourierdlem79.l | ⊢ 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) | ||
| fourierdlem79.z | ⊢ 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) | ||
| fourierdlem79.i | ⊢ 𝐼 = ( 𝑥 ∈ ℝ ↦ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ) | ||
| Assertion | fourierdlem79 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ⊆ ( ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fourierdlem79.t | ⊢ 𝑇 = ( 𝐵 − 𝐴 ) | |
| 2 | fourierdlem79.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐴 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 3 | fourierdlem79.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | |
| 4 | fourierdlem79.q | ⊢ ( 𝜑 → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) | |
| 5 | fourierdlem79.c | ⊢ ( 𝜑 → 𝐶 ∈ ℝ ) | |
| 6 | fourierdlem79.d | ⊢ ( 𝜑 → 𝐷 ∈ ℝ ) | |
| 7 | fourierdlem79.cltd | ⊢ ( 𝜑 → 𝐶 < 𝐷 ) | |
| 8 | fourierdlem79.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐶 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 9 | fourierdlem79.h | ⊢ 𝐻 = ( { 𝐶 , 𝐷 } ∪ { 𝑥 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 } ) | |
| 10 | fourierdlem79.n | ⊢ 𝑁 = ( ( ♯ ‘ 𝐻 ) − 1 ) | |
| 11 | fourierdlem79.s | ⊢ 𝑆 = ( ℩ 𝑓 𝑓 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ) | |
| 12 | fourierdlem79.e | ⊢ 𝐸 = ( 𝑥 ∈ ℝ ↦ ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) ) | |
| 13 | fourierdlem79.l | ⊢ 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) | |
| 14 | fourierdlem79.z | ⊢ 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) | |
| 15 | fourierdlem79.i | ⊢ 𝐼 = ( 𝑥 ∈ ℝ ↦ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ) | |
| 16 | 2 | fourierdlem2 | ⊢ ( 𝑀 ∈ ℕ → ( 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ↔ ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 17 | 3 16 | syl | ⊢ ( 𝜑 → ( 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ↔ ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 18 | 4 17 | mpbid | ⊢ ( 𝜑 → ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 19 | 18 | simpld | ⊢ ( 𝜑 → 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ) |
| 20 | elmapi | ⊢ ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) | |
| 21 | 19 20 | syl | ⊢ ( 𝜑 → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 22 | 21 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 23 | 2 3 4 1 12 13 15 | fourierdlem37 | ⊢ ( 𝜑 → ( 𝐼 : ℝ ⟶ ( 0 ..^ 𝑀 ) ∧ ( 𝑥 ∈ ℝ → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ) ) ) |
| 24 | 23 | simpld | ⊢ ( 𝜑 → 𝐼 : ℝ ⟶ ( 0 ..^ 𝑀 ) ) |
| 25 | fzossfz | ⊢ ( 0 ..^ 𝑀 ) ⊆ ( 0 ... 𝑀 ) | |
| 26 | 25 | a1i | ⊢ ( 𝜑 → ( 0 ..^ 𝑀 ) ⊆ ( 0 ... 𝑀 ) ) |
| 27 | 24 26 | fssd | ⊢ ( 𝜑 → 𝐼 : ℝ ⟶ ( 0 ... 𝑀 ) ) |
| 28 | 27 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐼 : ℝ ⟶ ( 0 ... 𝑀 ) ) |
| 29 | 1 2 3 4 5 6 7 8 9 10 11 | fourierdlem54 | ⊢ ( 𝜑 → ( ( 𝑁 ∈ ℕ ∧ 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) ∧ 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ) ) |
| 30 | 29 | simpld | ⊢ ( 𝜑 → ( 𝑁 ∈ ℕ ∧ 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) ) |
| 31 | 30 | simprd | ⊢ ( 𝜑 → 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) |
| 32 | 31 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) |
| 33 | 30 | simpld | ⊢ ( 𝜑 → 𝑁 ∈ ℕ ) |
| 34 | 33 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑁 ∈ ℕ ) |
| 35 | 8 | fourierdlem2 | ⊢ ( 𝑁 ∈ ℕ → ( 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ↔ ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ∧ ( ( ( 𝑆 ‘ 0 ) = 𝐶 ∧ ( 𝑆 ‘ 𝑁 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑁 ) ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 36 | 34 35 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ↔ ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ∧ ( ( ( 𝑆 ‘ 0 ) = 𝐶 ∧ ( 𝑆 ‘ 𝑁 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑁 ) ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 37 | 32 36 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ∧ ( ( ( 𝑆 ‘ 0 ) = 𝐶 ∧ ( 𝑆 ‘ 𝑁 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑁 ) ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 38 | 37 | simpld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ) |
| 39 | elmapi | ⊢ ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) → 𝑆 : ( 0 ... 𝑁 ) ⟶ ℝ ) | |
| 40 | 38 39 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 : ( 0 ... 𝑁 ) ⟶ ℝ ) |
| 41 | elfzofz | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ( 0 ... 𝑁 ) ) | |
| 42 | 41 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑗 ∈ ( 0 ... 𝑁 ) ) |
| 43 | 40 42 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) |
| 44 | 28 43 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 0 ... 𝑀 ) ) |
| 45 | 22 44 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 46 | 45 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ* ) |
| 47 | 24 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐼 : ℝ ⟶ ( 0 ..^ 𝑀 ) ) |
| 48 | 47 43 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 0 ..^ 𝑀 ) ) |
| 49 | fzofzp1 | ⊢ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 0 ..^ 𝑀 ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ... 𝑀 ) ) | |
| 50 | 48 49 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ... 𝑀 ) ) |
| 51 | 22 50 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ∈ ℝ ) |
| 52 | 51 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ∈ ℝ* ) |
| 53 | 15 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐼 = ( 𝑥 ∈ ℝ ↦ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ) ) |
| 54 | fveq2 | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( 𝐸 ‘ 𝑥 ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 55 | 54 | fveq2d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) = ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 56 | 55 | breq2d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) ↔ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 57 | 56 | rabbidv | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } = { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) |
| 58 | 57 | supeq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 59 | 58 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑥 = ( 𝑆 ‘ 𝑗 ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 60 | ltso | ⊢ < Or ℝ | |
| 61 | 60 | supex | ⊢ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ V |
| 62 | 61 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ V ) |
| 63 | 53 59 43 62 | fvmptd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 64 | 63 | fveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ) |
| 65 | simpl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝜑 ) | |
| 66 | 65 43 | jca | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) ) |
| 67 | eleq1 | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( 𝑥 ∈ ℝ ↔ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) ) | |
| 68 | 67 | anbi2d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ↔ ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) ) ) |
| 69 | 58 57 | eleq12d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ↔ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) ) |
| 70 | 68 69 | imbi12d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ) ↔ ( ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) ) ) |
| 71 | 23 | simprd | ⊢ ( 𝜑 → ( 𝑥 ∈ ℝ → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ) ) |
| 72 | 71 | imp | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ) |
| 73 | 70 72 | vtoclg | ⊢ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ → ( ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) ) |
| 74 | 43 66 73 | sylc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) |
| 75 | nfrab1 | ⊢ Ⅎ 𝑖 { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } | |
| 76 | nfcv | ⊢ Ⅎ 𝑖 ℝ | |
| 77 | nfcv | ⊢ Ⅎ 𝑖 < | |
| 78 | 75 76 77 | nfsup | ⊢ Ⅎ 𝑖 sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) |
| 79 | nfcv | ⊢ Ⅎ 𝑖 ( 0 ..^ 𝑀 ) | |
| 80 | nfcv | ⊢ Ⅎ 𝑖 𝑄 | |
| 81 | 80 78 | nffv | ⊢ Ⅎ 𝑖 ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 82 | nfcv | ⊢ Ⅎ 𝑖 ≤ | |
| 83 | nfcv | ⊢ Ⅎ 𝑖 ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 84 | 81 82 83 | nfbr | ⊢ Ⅎ 𝑖 ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 85 | fveq2 | ⊢ ( 𝑖 = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) → ( 𝑄 ‘ 𝑖 ) = ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ) | |
| 86 | 85 | breq1d | ⊢ ( 𝑖 = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) → ( ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ↔ ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 87 | 78 79 84 86 | elrabf | ⊢ ( sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ↔ ( sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 88 | 74 87 | sylib | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 89 | 88 | simprd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 90 | 64 89 | eqbrtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 91 | 3 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑀 ∈ ℕ ) |
| 92 | 4 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) |
| 93 | 5 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐶 ∈ ℝ ) |
| 94 | 6 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐷 ∈ ℝ ) |
| 95 | 7 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐶 < 𝐷 ) |
| 96 | 0zd | ⊢ ( 𝜑 → 0 ∈ ℤ ) | |
| 97 | 3 | nnzd | ⊢ ( 𝜑 → 𝑀 ∈ ℤ ) |
| 98 | 1zzd | ⊢ ( 𝜑 → 1 ∈ ℤ ) | |
| 99 | 0le1 | ⊢ 0 ≤ 1 | |
| 100 | 99 | a1i | ⊢ ( 𝜑 → 0 ≤ 1 ) |
| 101 | 3 | nnge1d | ⊢ ( 𝜑 → 1 ≤ 𝑀 ) |
| 102 | 96 97 98 100 101 | elfzd | ⊢ ( 𝜑 → 1 ∈ ( 0 ... 𝑀 ) ) |
| 103 | 102 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 1 ∈ ( 0 ... 𝑀 ) ) |
| 104 | simplr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑗 ∈ ( 0 ..^ 𝑁 ) ) | |
| 105 | fzofzp1 | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) | |
| 106 | 105 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) |
| 107 | 40 106 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) |
| 108 | 107 43 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 109 | 108 | rehalfcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ∈ ℝ ) |
| 110 | 21 102 | ffvelcdmd | ⊢ ( 𝜑 → ( 𝑄 ‘ 1 ) ∈ ℝ ) |
| 111 | 2 3 4 | fourierdlem11 | ⊢ ( 𝜑 → ( 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐴 < 𝐵 ) ) |
| 112 | 111 | simp1d | ⊢ ( 𝜑 → 𝐴 ∈ ℝ ) |
| 113 | 110 112 | resubcld | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) − 𝐴 ) ∈ ℝ ) |
| 114 | 113 | rehalfcld | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℝ ) |
| 115 | 114 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℝ ) |
| 116 | 109 115 | ifcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ∈ ℝ ) |
| 117 | 43 116 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ∈ ℝ ) |
| 118 | 14 117 | eqeltrid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 ∈ ℝ ) |
| 119 | 2re | ⊢ 2 ∈ ℝ | |
| 120 | 119 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 2 ∈ ℝ ) |
| 121 | elfzoelz | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ℤ ) | |
| 122 | 121 | zred | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ℝ ) |
| 123 | 122 | ltp1d | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 < ( 𝑗 + 1 ) ) |
| 124 | 123 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑗 < ( 𝑗 + 1 ) ) |
| 125 | 29 | simprd | ⊢ ( 𝜑 → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ) |
| 126 | 125 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ) |
| 127 | isorel | ⊢ ( ( 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , 𝐻 ) ∧ ( 𝑗 ∈ ( 0 ... 𝑁 ) ∧ ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) ) → ( 𝑗 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) | |
| 128 | 126 42 106 127 | syl12anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑗 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 129 | 124 128 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 130 | 43 107 | posdifd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ↔ 0 < ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 131 | 129 130 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 < ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 132 | 2pos | ⊢ 0 < 2 | |
| 133 | 132 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 < 2 ) |
| 134 | 108 120 131 133 | divgt0d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 < ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 135 | 109 134 | elrpd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ∈ ℝ+ ) |
| 136 | 119 | a1i | ⊢ ( 𝜑 → 2 ∈ ℝ ) |
| 137 | 3 | nngt0d | ⊢ ( 𝜑 → 0 < 𝑀 ) |
| 138 | fzolb | ⊢ ( 0 ∈ ( 0 ..^ 𝑀 ) ↔ ( 0 ∈ ℤ ∧ 𝑀 ∈ ℤ ∧ 0 < 𝑀 ) ) | |
| 139 | 96 97 137 138 | syl3anbrc | ⊢ ( 𝜑 → 0 ∈ ( 0 ..^ 𝑀 ) ) |
| 140 | 0re | ⊢ 0 ∈ ℝ | |
| 141 | eleq1 | ⊢ ( 𝑖 = 0 → ( 𝑖 ∈ ( 0 ..^ 𝑀 ) ↔ 0 ∈ ( 0 ..^ 𝑀 ) ) ) | |
| 142 | 141 | anbi2d | ⊢ ( 𝑖 = 0 → ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ↔ ( 𝜑 ∧ 0 ∈ ( 0 ..^ 𝑀 ) ) ) ) |
| 143 | fveq2 | ⊢ ( 𝑖 = 0 → ( 𝑄 ‘ 𝑖 ) = ( 𝑄 ‘ 0 ) ) | |
| 144 | oveq1 | ⊢ ( 𝑖 = 0 → ( 𝑖 + 1 ) = ( 0 + 1 ) ) | |
| 145 | 144 | fveq2d | ⊢ ( 𝑖 = 0 → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( 𝑄 ‘ ( 0 + 1 ) ) ) |
| 146 | 143 145 | breq12d | ⊢ ( 𝑖 = 0 → ( ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ↔ ( 𝑄 ‘ 0 ) < ( 𝑄 ‘ ( 0 + 1 ) ) ) ) |
| 147 | 142 146 | imbi12d | ⊢ ( 𝑖 = 0 → ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↔ ( ( 𝜑 ∧ 0 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 0 ) < ( 𝑄 ‘ ( 0 + 1 ) ) ) ) ) |
| 148 | 18 | simprd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 149 | 148 | simprd | ⊢ ( 𝜑 → ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 150 | 149 | r19.21bi | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 151 | 147 150 | vtoclg | ⊢ ( 0 ∈ ℝ → ( ( 𝜑 ∧ 0 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 0 ) < ( 𝑄 ‘ ( 0 + 1 ) ) ) ) |
| 152 | 140 151 | ax-mp | ⊢ ( ( 𝜑 ∧ 0 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 0 ) < ( 𝑄 ‘ ( 0 + 1 ) ) ) |
| 153 | 139 152 | mpdan | ⊢ ( 𝜑 → ( 𝑄 ‘ 0 ) < ( 𝑄 ‘ ( 0 + 1 ) ) ) |
| 154 | 148 | simpld | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ) |
| 155 | 154 | simpld | ⊢ ( 𝜑 → ( 𝑄 ‘ 0 ) = 𝐴 ) |
| 156 | 0p1e1 | ⊢ ( 0 + 1 ) = 1 | |
| 157 | 156 | fveq2i | ⊢ ( 𝑄 ‘ ( 0 + 1 ) ) = ( 𝑄 ‘ 1 ) |
| 158 | 157 | a1i | ⊢ ( 𝜑 → ( 𝑄 ‘ ( 0 + 1 ) ) = ( 𝑄 ‘ 1 ) ) |
| 159 | 153 155 158 | 3brtr3d | ⊢ ( 𝜑 → 𝐴 < ( 𝑄 ‘ 1 ) ) |
| 160 | 112 110 | posdifd | ⊢ ( 𝜑 → ( 𝐴 < ( 𝑄 ‘ 1 ) ↔ 0 < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) ) |
| 161 | 159 160 | mpbid | ⊢ ( 𝜑 → 0 < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) |
| 162 | 132 | a1i | ⊢ ( 𝜑 → 0 < 2 ) |
| 163 | 113 136 161 162 | divgt0d | ⊢ ( 𝜑 → 0 < ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 164 | 114 163 | elrpd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℝ+ ) |
| 165 | 164 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℝ+ ) |
| 166 | 135 165 | ifcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ∈ ℝ+ ) |
| 167 | 43 166 | ltaddrpd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) < ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 168 | 43 117 167 | ltled | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ≤ ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 169 | 168 14 | breqtrrdi | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ≤ 𝑍 ) |
| 170 | 43 109 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ∈ ℝ ) |
| 171 | iftrue | ⊢ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) | |
| 172 | 171 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 173 | 109 | leidd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 174 | 173 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 175 | 172 174 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 176 | iffalse | ⊢ ( ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) | |
| 177 | 176 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 178 | 113 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑄 ‘ 1 ) − 𝐴 ) ∈ ℝ ) |
| 179 | 108 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 180 | 2rp | ⊢ 2 ∈ ℝ+ | |
| 181 | 180 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → 2 ∈ ℝ+ ) |
| 182 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) | |
| 183 | 178 179 182 | nltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑄 ‘ 1 ) − 𝐴 ) ≤ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 184 | 178 179 181 183 | lediv1dd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 185 | 177 184 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 186 | 175 185 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 187 | 116 109 43 186 | leadd2dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ) |
| 188 | 43 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ℂ ) |
| 189 | 107 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℂ ) |
| 190 | 188 189 | addcomd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) ) |
| 191 | 190 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 192 | 191 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ) |
| 193 | halfaddsub | ⊢ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℂ ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℂ ) → ( ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ 𝑗 ) ) ) | |
| 194 | 189 188 193 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ 𝑗 ) ) ) |
| 195 | 194 | simprd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( 𝑆 ‘ 𝑗 ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ 𝑗 ) ) |
| 196 | 192 195 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ 𝑗 ) ) |
| 197 | 188 189 | addcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ∈ ℂ ) |
| 198 | 197 | halfcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) ∈ ℂ ) |
| 199 | 109 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ∈ ℂ ) |
| 200 | 198 199 188 | subsub23d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( 𝑆 ‘ 𝑗 ) ↔ ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( 𝑆 ‘ 𝑗 ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ) |
| 201 | 196 200 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( 𝑆 ‘ 𝑗 ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) |
| 202 | 198 188 199 | subaddd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) − ( 𝑆 ‘ 𝑗 ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ↔ ( ( 𝑆 ‘ 𝑗 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) ) ) |
| 203 | 201 202 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) ) |
| 204 | avglt2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ↔ ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) | |
| 205 | 43 107 204 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ↔ ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 206 | 129 205 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 2 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 207 | 203 206 | eqbrtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 208 | 117 170 107 187 207 | lelttrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 209 | 14 208 | eqbrtrid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 210 | 107 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ* ) |
| 211 | elico2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ* ) → ( 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ↔ ( 𝑍 ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) ≤ 𝑍 ∧ 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) | |
| 212 | 43 210 211 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ↔ ( 𝑍 ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) ≤ 𝑍 ∧ 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) |
| 213 | 118 169 209 212 | mpbir3and | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 214 | 213 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 215 | 112 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐴 ∈ ℝ ) |
| 216 | 111 | simp2d | ⊢ ( 𝜑 → 𝐵 ∈ ℝ ) |
| 217 | 216 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ∈ ℝ ) |
| 218 | 111 | simp3d | ⊢ ( 𝜑 → 𝐴 < 𝐵 ) |
| 219 | 218 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐴 < 𝐵 ) |
| 220 | 43 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) |
| 221 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) | |
| 222 | 167 14 | breqtrrdi | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) < 𝑍 ) |
| 223 | 216 112 | resubcld | ⊢ ( 𝜑 → ( 𝐵 − 𝐴 ) ∈ ℝ ) |
| 224 | 1 223 | eqeltrid | ⊢ ( 𝜑 → 𝑇 ∈ ℝ ) |
| 225 | 224 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑇 ∈ ℝ ) |
| 226 | 109 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ∈ ℝ ) |
| 227 | 114 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℝ ) |
| 228 | 108 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 229 | 113 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑄 ‘ 1 ) − 𝐴 ) ∈ ℝ ) |
| 230 | 180 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → 2 ∈ ℝ+ ) |
| 231 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) | |
| 232 | 228 229 230 231 | ltdiv1dd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) < ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 233 | 226 227 232 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 234 | 172 233 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 235 | 176 | adantl | ⊢ ( ( 𝜑 ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 236 | 114 | leidd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 237 | 236 | adantr | ⊢ ( ( 𝜑 ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 238 | 235 237 | eqbrtrd | ⊢ ( ( 𝜑 ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 239 | 238 | adantlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 240 | 234 239 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) |
| 241 | 223 | rehalfcld | ⊢ ( 𝜑 → ( ( 𝐵 − 𝐴 ) / 2 ) ∈ ℝ ) |
| 242 | 180 | a1i | ⊢ ( 𝜑 → 2 ∈ ℝ+ ) |
| 243 | 112 | rexrd | ⊢ ( 𝜑 → 𝐴 ∈ ℝ* ) |
| 244 | 216 | rexrd | ⊢ ( 𝜑 → 𝐵 ∈ ℝ* ) |
| 245 | 2 3 4 | fourierdlem15 | ⊢ ( 𝜑 → 𝑄 : ( 0 ... 𝑀 ) ⟶ ( 𝐴 [,] 𝐵 ) ) |
| 246 | 245 102 | ffvelcdmd | ⊢ ( 𝜑 → ( 𝑄 ‘ 1 ) ∈ ( 𝐴 [,] 𝐵 ) ) |
| 247 | iccleub | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ ( 𝑄 ‘ 1 ) ∈ ( 𝐴 [,] 𝐵 ) ) → ( 𝑄 ‘ 1 ) ≤ 𝐵 ) | |
| 248 | 243 244 246 247 | syl3anc | ⊢ ( 𝜑 → ( 𝑄 ‘ 1 ) ≤ 𝐵 ) |
| 249 | 110 216 112 248 | lesub1dd | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) − 𝐴 ) ≤ ( 𝐵 − 𝐴 ) ) |
| 250 | 113 223 242 249 | lediv1dd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ ( ( 𝐵 − 𝐴 ) / 2 ) ) |
| 251 | 1 | eqcomi | ⊢ ( 𝐵 − 𝐴 ) = 𝑇 |
| 252 | 251 | oveq1i | ⊢ ( ( 𝐵 − 𝐴 ) / 2 ) = ( 𝑇 / 2 ) |
| 253 | 112 216 | posdifd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ 0 < ( 𝐵 − 𝐴 ) ) ) |
| 254 | 218 253 | mpbid | ⊢ ( 𝜑 → 0 < ( 𝐵 − 𝐴 ) ) |
| 255 | 254 1 | breqtrrdi | ⊢ ( 𝜑 → 0 < 𝑇 ) |
| 256 | 224 255 | elrpd | ⊢ ( 𝜑 → 𝑇 ∈ ℝ+ ) |
| 257 | rphalflt | ⊢ ( 𝑇 ∈ ℝ+ → ( 𝑇 / 2 ) < 𝑇 ) | |
| 258 | 256 257 | syl | ⊢ ( 𝜑 → ( 𝑇 / 2 ) < 𝑇 ) |
| 259 | 252 258 | eqbrtrid | ⊢ ( 𝜑 → ( ( 𝐵 − 𝐴 ) / 2 ) < 𝑇 ) |
| 260 | 114 241 224 250 259 | lelttrd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) < 𝑇 ) |
| 261 | 114 224 260 | ltled | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ 𝑇 ) |
| 262 | 261 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ≤ 𝑇 ) |
| 263 | 116 115 225 240 262 | letrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ≤ 𝑇 ) |
| 264 | 116 225 43 263 | leadd2dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 265 | 14 264 | eqbrtrid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 266 | 43 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ* ) |
| 267 | 43 225 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) |
| 268 | elioc2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ* ∧ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) → ( 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ↔ ( 𝑍 ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) < 𝑍 ∧ 𝑍 ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) ) | |
| 269 | 266 267 268 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ↔ ( 𝑍 ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) < 𝑍 ∧ 𝑍 ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) ) |
| 270 | 118 222 265 269 | mpbir3and | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) |
| 271 | 270 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑍 ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) |
| 272 | 215 217 219 1 12 220 221 271 | fourierdlem26 | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ 𝑍 ) = ( 𝐴 + ( 𝑍 − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 273 | 14 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 274 | 273 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 − ( 𝑆 ‘ 𝑗 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 275 | 274 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 + ( 𝑍 − ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐴 + ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 276 | 275 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐴 + ( 𝑍 − ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐴 + ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 277 | 116 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ∈ ℂ ) |
| 278 | 188 277 | pncan2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) = if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) |
| 279 | 278 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 + ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 280 | 279 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐴 + ( ( ( 𝑆 ‘ 𝑗 ) + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 281 | 272 276 280 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ 𝑍 ) = ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) ) |
| 282 | 171 | oveq2d | ⊢ ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) = ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ) |
| 283 | 282 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) = ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ) |
| 284 | 112 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐴 ∈ ℝ ) |
| 285 | 284 109 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ∈ ℝ ) |
| 286 | 285 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) ∈ ℝ ) |
| 287 | 284 115 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ∈ ℝ ) |
| 288 | 287 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ∈ ℝ ) |
| 289 | 110 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝑄 ‘ 1 ) ∈ ℝ ) |
| 290 | 112 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → 𝐴 ∈ ℝ ) |
| 291 | 226 227 290 232 | ltadd2dd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) < ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) |
| 292 | 110 | recnd | ⊢ ( 𝜑 → ( 𝑄 ‘ 1 ) ∈ ℂ ) |
| 293 | 112 | recnd | ⊢ ( 𝜑 → 𝐴 ∈ ℂ ) |
| 294 | halfaddsub | ⊢ ( ( ( 𝑄 ‘ 1 ) ∈ ℂ ∧ 𝐴 ∈ ℂ ) → ( ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( 𝑄 ‘ 1 ) ∧ ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) − ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = 𝐴 ) ) | |
| 295 | 292 293 294 | syl2anc | ⊢ ( 𝜑 → ( ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( 𝑄 ‘ 1 ) ∧ ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) − ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = 𝐴 ) ) |
| 296 | 295 | simprd | ⊢ ( 𝜑 → ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) − ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = 𝐴 ) |
| 297 | 296 | oveq1d | ⊢ ( 𝜑 → ( ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) − ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) |
| 298 | 110 112 | readdcld | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) + 𝐴 ) ∈ ℝ ) |
| 299 | 298 | rehalfcld | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) ∈ ℝ ) |
| 300 | 299 | recnd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) ∈ ℂ ) |
| 301 | 114 | recnd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ∈ ℂ ) |
| 302 | 300 301 | npcand | ⊢ ( 𝜑 → ( ( ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) − ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) ) |
| 303 | 297 302 | eqtr3d | ⊢ ( 𝜑 → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) = ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) ) |
| 304 | 110 110 | readdcld | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) ∈ ℝ ) |
| 305 | 112 110 110 159 | ltadd2dd | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) + 𝐴 ) < ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) ) |
| 306 | 298 304 242 305 | ltdiv1dd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) < ( ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) / 2 ) ) |
| 307 | 292 | 2timesd | ⊢ ( 𝜑 → ( 2 · ( 𝑄 ‘ 1 ) ) = ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) ) |
| 308 | 307 | eqcomd | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) = ( 2 · ( 𝑄 ‘ 1 ) ) ) |
| 309 | 308 | oveq1d | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) / 2 ) = ( ( 2 · ( 𝑄 ‘ 1 ) ) / 2 ) ) |
| 310 | 2cnd | ⊢ ( 𝜑 → 2 ∈ ℂ ) | |
| 311 | 2ne0 | ⊢ 2 ≠ 0 | |
| 312 | 311 | a1i | ⊢ ( 𝜑 → 2 ≠ 0 ) |
| 313 | 292 310 312 | divcan3d | ⊢ ( 𝜑 → ( ( 2 · ( 𝑄 ‘ 1 ) ) / 2 ) = ( 𝑄 ‘ 1 ) ) |
| 314 | 309 313 | eqtrd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + ( 𝑄 ‘ 1 ) ) / 2 ) = ( 𝑄 ‘ 1 ) ) |
| 315 | 306 314 | breqtrd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 1 ) + 𝐴 ) / 2 ) < ( 𝑄 ‘ 1 ) ) |
| 316 | 303 315 | eqbrtrd | ⊢ ( 𝜑 → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) < ( 𝑄 ‘ 1 ) ) |
| 317 | 316 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) < ( 𝑄 ‘ 1 ) ) |
| 318 | 286 288 289 291 317 | lttrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) ) < ( 𝑄 ‘ 1 ) ) |
| 319 | 283 318 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) < ( 𝑄 ‘ 1 ) ) |
| 320 | 176 | oveq2d | ⊢ ( ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) = ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) |
| 321 | 320 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) = ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) |
| 322 | 316 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) < ( 𝑄 ‘ 1 ) ) |
| 323 | 321 322 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) < ( 𝑄 ‘ 1 ) ) |
| 324 | 319 323 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) < ( 𝑄 ‘ 1 ) ) |
| 325 | 324 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐴 + if ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝑄 ‘ 1 ) − 𝐴 ) , ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 2 ) , ( ( ( 𝑄 ‘ 1 ) − 𝐴 ) / 2 ) ) ) < ( 𝑄 ‘ 1 ) ) |
| 326 | 281 325 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ 𝑍 ) < ( 𝑄 ‘ 1 ) ) |
| 327 | eqid | ⊢ ( ( 𝑄 ‘ 1 ) − ( ( 𝐸 ‘ 𝑍 ) − 𝑍 ) ) = ( ( 𝑄 ‘ 1 ) − ( ( 𝐸 ‘ 𝑍 ) − 𝑍 ) ) | |
| 328 | 1 2 91 92 93 94 95 8 9 10 11 12 103 104 214 326 327 | fourierdlem63 | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ 1 ) ) |
| 329 | 15 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐼 = ( 𝑥 ∈ ℝ ↦ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) ) ) |
| 330 | 58 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ 𝑥 = ( 𝑆 ‘ 𝑗 ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } , ℝ , < ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 331 | 61 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ∈ V ) |
| 332 | 329 330 220 331 | fvmptd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 333 | fveq2 | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐿 ‘ 𝐵 ) ) | |
| 334 | 13 | a1i | ⊢ ( 𝜑 → 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) ) |
| 335 | iftrue | ⊢ ( 𝑦 = 𝐵 → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝐴 ) | |
| 336 | 335 | adantl | ⊢ ( ( 𝜑 ∧ 𝑦 = 𝐵 ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝐴 ) |
| 337 | ubioc1 | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐴 < 𝐵 ) → 𝐵 ∈ ( 𝐴 (,] 𝐵 ) ) | |
| 338 | 243 244 218 337 | syl3anc | ⊢ ( 𝜑 → 𝐵 ∈ ( 𝐴 (,] 𝐵 ) ) |
| 339 | 334 336 338 112 | fvmptd | ⊢ ( 𝜑 → ( 𝐿 ‘ 𝐵 ) = 𝐴 ) |
| 340 | 333 339 | sylan9eqr | ⊢ ( ( 𝜑 ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = 𝐴 ) |
| 341 | 340 | breq2d | ⊢ ( ( 𝜑 ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ↔ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 ) ) |
| 342 | 341 | rabbidv | ⊢ ( ( 𝜑 ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } = { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) |
| 343 | 342 | supeq1d | ⊢ ( ( 𝜑 ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } , ℝ , < ) ) |
| 344 | 343 | adantlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) = sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } , ℝ , < ) ) |
| 345 | simpl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) → 𝜑 ) | |
| 346 | elrabi | ⊢ ( 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } → 𝑗 ∈ ( 0 ..^ 𝑀 ) ) | |
| 347 | 346 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) → 𝑗 ∈ ( 0 ..^ 𝑀 ) ) |
| 348 | fveq2 | ⊢ ( 𝑖 = 𝑗 → ( 𝑄 ‘ 𝑖 ) = ( 𝑄 ‘ 𝑗 ) ) | |
| 349 | 348 | breq1d | ⊢ ( 𝑖 = 𝑗 → ( ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 ↔ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) ) |
| 350 | 349 | elrab | ⊢ ( 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ↔ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) ) |
| 351 | 350 | simprbi | ⊢ ( 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } → ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) |
| 352 | 351 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) → ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) |
| 353 | simp3 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) | |
| 354 | 112 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝐴 ∈ ℝ ) |
| 355 | 110 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 𝑄 ‘ 1 ) ∈ ℝ ) |
| 356 | 21 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 357 | 26 | sselda | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) → 𝑗 ∈ ( 0 ... 𝑀 ) ) |
| 358 | 356 357 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑗 ) ∈ ℝ ) |
| 359 | 358 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 𝑄 ‘ 𝑗 ) ∈ ℝ ) |
| 360 | 159 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝐴 < ( 𝑄 ‘ 1 ) ) |
| 361 | 1zzd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 1 ∈ ℤ ) | |
| 362 | elfzoelz | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 𝑗 ∈ ℤ ) | |
| 363 | 362 | ad2antlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝑗 ∈ ℤ ) |
| 364 | 1e0p1 | ⊢ 1 = ( 0 + 1 ) | |
| 365 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ¬ 𝑗 ≤ 0 ) | |
| 366 | 0red | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 0 ∈ ℝ ) | |
| 367 | 363 | zred | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝑗 ∈ ℝ ) |
| 368 | 366 367 | ltnled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 0 < 𝑗 ↔ ¬ 𝑗 ≤ 0 ) ) |
| 369 | 365 368 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 0 < 𝑗 ) |
| 370 | 0zd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 0 ∈ ℤ ) | |
| 371 | zltp1le | ⊢ ( ( 0 ∈ ℤ ∧ 𝑗 ∈ ℤ ) → ( 0 < 𝑗 ↔ ( 0 + 1 ) ≤ 𝑗 ) ) | |
| 372 | 370 363 371 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 0 < 𝑗 ↔ ( 0 + 1 ) ≤ 𝑗 ) ) |
| 373 | 369 372 | mpbid | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 0 + 1 ) ≤ 𝑗 ) |
| 374 | 364 373 | eqbrtrid | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 1 ≤ 𝑗 ) |
| 375 | eluz2 | ⊢ ( 𝑗 ∈ ( ℤ≥ ‘ 1 ) ↔ ( 1 ∈ ℤ ∧ 𝑗 ∈ ℤ ∧ 1 ≤ 𝑗 ) ) | |
| 376 | 361 363 374 375 | syl3anbrc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝑗 ∈ ( ℤ≥ ‘ 1 ) ) |
| 377 | 21 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 378 | 0zd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 0 ∈ ℤ ) | |
| 379 | 97 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑀 ∈ ℤ ) |
| 380 | elfzelz | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 𝑙 ∈ ℤ ) | |
| 381 | 380 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 ∈ ℤ ) |
| 382 | 0red | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 0 ∈ ℝ ) | |
| 383 | 380 | zred | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 𝑙 ∈ ℝ ) |
| 384 | 1red | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 1 ∈ ℝ ) | |
| 385 | 0lt1 | ⊢ 0 < 1 | |
| 386 | 385 | a1i | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 0 < 1 ) |
| 387 | elfzle1 | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 1 ≤ 𝑙 ) | |
| 388 | 382 384 383 386 387 | ltletrd | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 0 < 𝑙 ) |
| 389 | 382 383 388 | ltled | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 0 ≤ 𝑙 ) |
| 390 | 389 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 0 ≤ 𝑙 ) |
| 391 | 383 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 ∈ ℝ ) |
| 392 | 97 | zred | ⊢ ( 𝜑 → 𝑀 ∈ ℝ ) |
| 393 | 392 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑀 ∈ ℝ ) |
| 394 | 362 | zred | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 𝑗 ∈ ℝ ) |
| 395 | 394 | ad2antlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑗 ∈ ℝ ) |
| 396 | elfzle2 | ⊢ ( 𝑙 ∈ ( 1 ... 𝑗 ) → 𝑙 ≤ 𝑗 ) | |
| 397 | 396 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 ≤ 𝑗 ) |
| 398 | elfzolt2 | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 𝑗 < 𝑀 ) | |
| 399 | 398 | ad2antlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑗 < 𝑀 ) |
| 400 | 391 395 393 397 399 | lelttrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 < 𝑀 ) |
| 401 | 391 393 400 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 ≤ 𝑀 ) |
| 402 | 378 379 381 390 401 | elfzd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → 𝑙 ∈ ( 0 ... 𝑀 ) ) |
| 403 | 377 402 | ffvelcdmd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → ( 𝑄 ‘ 𝑙 ) ∈ ℝ ) |
| 404 | 403 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) ∧ 𝑙 ∈ ( 1 ... 𝑗 ) ) → ( 𝑄 ‘ 𝑙 ) ∈ ℝ ) |
| 405 | 21 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 406 | 0zd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 0 ∈ ℤ ) | |
| 407 | 97 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑀 ∈ ℤ ) |
| 408 | elfzelz | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 𝑙 ∈ ℤ ) | |
| 409 | 408 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ℤ ) |
| 410 | 0red | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 ∈ ℝ ) | |
| 411 | 408 | zred | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 𝑙 ∈ ℝ ) |
| 412 | 1red | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 1 ∈ ℝ ) | |
| 413 | 385 | a1i | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 < 1 ) |
| 414 | elfzle1 | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 1 ≤ 𝑙 ) | |
| 415 | 410 412 411 413 414 | ltletrd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 < 𝑙 ) |
| 416 | 410 411 415 | ltled | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 ≤ 𝑙 ) |
| 417 | 416 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 0 ≤ 𝑙 ) |
| 418 | 409 | zred | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ℝ ) |
| 419 | 392 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑀 ∈ ℝ ) |
| 420 | 394 | ad2antlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑗 ∈ ℝ ) |
| 421 | 411 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ℝ ) |
| 422 | peano2rem | ⊢ ( 𝑗 ∈ ℝ → ( 𝑗 − 1 ) ∈ ℝ ) | |
| 423 | 394 422 | syl | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( 𝑗 − 1 ) ∈ ℝ ) |
| 424 | 423 | adantr | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑗 − 1 ) ∈ ℝ ) |
| 425 | 394 | adantr | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑗 ∈ ℝ ) |
| 426 | elfzle2 | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 𝑙 ≤ ( 𝑗 − 1 ) ) | |
| 427 | 426 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ≤ ( 𝑗 − 1 ) ) |
| 428 | 425 | ltm1d | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑗 − 1 ) < 𝑗 ) |
| 429 | 421 424 425 427 428 | lelttrd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 < 𝑗 ) |
| 430 | 429 | adantll | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 < 𝑗 ) |
| 431 | 398 | ad2antlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑗 < 𝑀 ) |
| 432 | 418 420 419 430 431 | lttrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 < 𝑀 ) |
| 433 | 418 419 432 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ≤ 𝑀 ) |
| 434 | 406 407 409 417 433 | elfzd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ( 0 ... 𝑀 ) ) |
| 435 | 405 434 | ffvelcdmd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑄 ‘ 𝑙 ) ∈ ℝ ) |
| 436 | 409 | peano2zd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ∈ ℤ ) |
| 437 | 411 412 | readdcld | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑙 + 1 ) ∈ ℝ ) |
| 438 | 411 412 415 413 | addgt0d | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 < ( 𝑙 + 1 ) ) |
| 439 | 410 437 438 | ltled | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 0 ≤ ( 𝑙 + 1 ) ) |
| 440 | 439 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 0 ≤ ( 𝑙 + 1 ) ) |
| 441 | 437 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ∈ ℝ ) |
| 442 | 437 | recnd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑙 + 1 ) ∈ ℂ ) |
| 443 | 1cnd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → 1 ∈ ℂ ) | |
| 444 | 442 443 | npcand | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( ( ( 𝑙 + 1 ) − 1 ) + 1 ) = ( 𝑙 + 1 ) ) |
| 445 | 444 | eqcomd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑙 + 1 ) = ( ( ( 𝑙 + 1 ) − 1 ) + 1 ) ) |
| 446 | 445 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) = ( ( ( 𝑙 + 1 ) − 1 ) + 1 ) ) |
| 447 | peano2re | ⊢ ( 𝑙 ∈ ℝ → ( 𝑙 + 1 ) ∈ ℝ ) | |
| 448 | peano2rem | ⊢ ( ( 𝑙 + 1 ) ∈ ℝ → ( ( 𝑙 + 1 ) − 1 ) ∈ ℝ ) | |
| 449 | 421 447 448 | 3syl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( 𝑙 + 1 ) − 1 ) ∈ ℝ ) |
| 450 | peano2re | ⊢ ( ( 𝑗 − 1 ) ∈ ℝ → ( ( 𝑗 − 1 ) + 1 ) ∈ ℝ ) | |
| 451 | peano2rem | ⊢ ( ( ( 𝑗 − 1 ) + 1 ) ∈ ℝ → ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) ∈ ℝ ) | |
| 452 | 424 450 451 | 3syl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) ∈ ℝ ) |
| 453 | 1red | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 1 ∈ ℝ ) | |
| 454 | elfzel2 | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑗 − 1 ) ∈ ℤ ) | |
| 455 | 454 | zred | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑗 − 1 ) ∈ ℝ ) |
| 456 | 455 412 | readdcld | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( ( 𝑗 − 1 ) + 1 ) ∈ ℝ ) |
| 457 | 411 455 412 426 | leadd1dd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( 𝑙 + 1 ) ≤ ( ( 𝑗 − 1 ) + 1 ) ) |
| 458 | 437 456 412 457 | lesub1dd | ⊢ ( 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) → ( ( 𝑙 + 1 ) − 1 ) ≤ ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) ) |
| 459 | 458 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( 𝑙 + 1 ) − 1 ) ≤ ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) ) |
| 460 | 449 452 453 459 | leadd1dd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( ( 𝑙 + 1 ) − 1 ) + 1 ) ≤ ( ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) + 1 ) ) |
| 461 | peano2zm | ⊢ ( 𝑗 ∈ ℤ → ( 𝑗 − 1 ) ∈ ℤ ) | |
| 462 | 362 461 | syl | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( 𝑗 − 1 ) ∈ ℤ ) |
| 463 | 462 | peano2zd | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( ( 𝑗 − 1 ) + 1 ) ∈ ℤ ) |
| 464 | 463 | zcnd | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( ( 𝑗 − 1 ) + 1 ) ∈ ℂ ) |
| 465 | 1cnd | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 1 ∈ ℂ ) | |
| 466 | 464 465 | npcand | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) + 1 ) = ( ( 𝑗 − 1 ) + 1 ) ) |
| 467 | 394 | recnd | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 𝑗 ∈ ℂ ) |
| 468 | 467 465 | npcand | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( ( 𝑗 − 1 ) + 1 ) = 𝑗 ) |
| 469 | 466 468 | eqtrd | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → ( ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) + 1 ) = 𝑗 ) |
| 470 | 469 | adantr | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( ( ( 𝑗 − 1 ) + 1 ) − 1 ) + 1 ) = 𝑗 ) |
| 471 | 460 470 | breqtrd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( ( ( 𝑙 + 1 ) − 1 ) + 1 ) ≤ 𝑗 ) |
| 472 | 446 471 | eqbrtrd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ≤ 𝑗 ) |
| 473 | 472 | adantll | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ≤ 𝑗 ) |
| 474 | 441 420 419 473 431 | lelttrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) < 𝑀 ) |
| 475 | 441 419 474 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ≤ 𝑀 ) |
| 476 | 406 407 436 440 475 | elfzd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑙 + 1 ) ∈ ( 0 ... 𝑀 ) ) |
| 477 | 405 476 | ffvelcdmd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑄 ‘ ( 𝑙 + 1 ) ) ∈ ℝ ) |
| 478 | simpll | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝜑 ) | |
| 479 | 0zd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 0 ∈ ℤ ) | |
| 480 | 408 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ℤ ) |
| 481 | 416 | adantl | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 0 ≤ 𝑙 ) |
| 482 | eluz2 | ⊢ ( 𝑙 ∈ ( ℤ≥ ‘ 0 ) ↔ ( 0 ∈ ℤ ∧ 𝑙 ∈ ℤ ∧ 0 ≤ 𝑙 ) ) | |
| 483 | 479 480 481 482 | syl3anbrc | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ( ℤ≥ ‘ 0 ) ) |
| 484 | elfzoel2 | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 𝑀 ∈ ℤ ) | |
| 485 | 484 | adantr | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑀 ∈ ℤ ) |
| 486 | 485 | zred | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑀 ∈ ℝ ) |
| 487 | 398 | adantr | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑗 < 𝑀 ) |
| 488 | 421 425 486 429 487 | lttrd | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 < 𝑀 ) |
| 489 | elfzo2 | ⊢ ( 𝑙 ∈ ( 0 ..^ 𝑀 ) ↔ ( 𝑙 ∈ ( ℤ≥ ‘ 0 ) ∧ 𝑀 ∈ ℤ ∧ 𝑙 < 𝑀 ) ) | |
| 490 | 483 485 488 489 | syl3anbrc | ⊢ ( ( 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ( 0 ..^ 𝑀 ) ) |
| 491 | 490 | adantll | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → 𝑙 ∈ ( 0 ..^ 𝑀 ) ) |
| 492 | eleq1 | ⊢ ( 𝑖 = 𝑙 → ( 𝑖 ∈ ( 0 ..^ 𝑀 ) ↔ 𝑙 ∈ ( 0 ..^ 𝑀 ) ) ) | |
| 493 | 492 | anbi2d | ⊢ ( 𝑖 = 𝑙 → ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ↔ ( 𝜑 ∧ 𝑙 ∈ ( 0 ..^ 𝑀 ) ) ) ) |
| 494 | fveq2 | ⊢ ( 𝑖 = 𝑙 → ( 𝑄 ‘ 𝑖 ) = ( 𝑄 ‘ 𝑙 ) ) | |
| 495 | oveq1 | ⊢ ( 𝑖 = 𝑙 → ( 𝑖 + 1 ) = ( 𝑙 + 1 ) ) | |
| 496 | 495 | fveq2d | ⊢ ( 𝑖 = 𝑙 → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) |
| 497 | 494 496 | breq12d | ⊢ ( 𝑖 = 𝑙 → ( ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ↔ ( 𝑄 ‘ 𝑙 ) < ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) ) |
| 498 | 493 497 | imbi12d | ⊢ ( 𝑖 = 𝑙 → ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↔ ( ( 𝜑 ∧ 𝑙 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑙 ) < ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) ) ) |
| 499 | 498 150 | chvarvv | ⊢ ( ( 𝜑 ∧ 𝑙 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑙 ) < ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) |
| 500 | 478 491 499 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑄 ‘ 𝑙 ) < ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) |
| 501 | 435 477 500 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑄 ‘ 𝑙 ) ≤ ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) |
| 502 | 501 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) ∧ 𝑙 ∈ ( 1 ... ( 𝑗 − 1 ) ) ) → ( 𝑄 ‘ 𝑙 ) ≤ ( 𝑄 ‘ ( 𝑙 + 1 ) ) ) |
| 503 | 376 404 502 | monoord | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 𝑄 ‘ 1 ) ≤ ( 𝑄 ‘ 𝑗 ) ) |
| 504 | 354 355 359 360 503 | ltletrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → 𝐴 < ( 𝑄 ‘ 𝑗 ) ) |
| 505 | 354 359 | ltnled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ( 𝐴 < ( 𝑄 ‘ 𝑗 ) ↔ ¬ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) ) |
| 506 | 504 505 | mpbid | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑗 ≤ 0 ) → ¬ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) |
| 507 | 506 | ex | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ) → ( ¬ 𝑗 ≤ 0 → ¬ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) ) |
| 508 | 507 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → ( ¬ 𝑗 ≤ 0 → ¬ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) ) |
| 509 | 353 508 | mt4d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → 𝑗 ≤ 0 ) |
| 510 | elfzole1 | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑀 ) → 0 ≤ 𝑗 ) | |
| 511 | 510 | 3ad2ant2 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → 0 ≤ 𝑗 ) |
| 512 | 394 | 3ad2ant2 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → 𝑗 ∈ ℝ ) |
| 513 | 0red | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → 0 ∈ ℝ ) | |
| 514 | 512 513 | letri3d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → ( 𝑗 = 0 ↔ ( 𝑗 ≤ 0 ∧ 0 ≤ 𝑗 ) ) ) |
| 515 | 509 511 514 | mpbir2and | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 𝑗 ) ≤ 𝐴 ) → 𝑗 = 0 ) |
| 516 | 345 347 352 515 | syl3anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) → 𝑗 = 0 ) |
| 517 | velsn | ⊢ ( 𝑗 ∈ { 0 } ↔ 𝑗 = 0 ) | |
| 518 | 516 517 | sylibr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) → 𝑗 ∈ { 0 } ) |
| 519 | 518 | ralrimiva | ⊢ ( 𝜑 → ∀ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } 𝑗 ∈ { 0 } ) |
| 520 | dfss3 | ⊢ ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ⊆ { 0 } ↔ ∀ 𝑗 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } 𝑗 ∈ { 0 } ) | |
| 521 | 519 520 | sylibr | ⊢ ( 𝜑 → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ⊆ { 0 } ) |
| 522 | 155 112 | eqeltrd | ⊢ ( 𝜑 → ( 𝑄 ‘ 0 ) ∈ ℝ ) |
| 523 | 522 155 | eqled | ⊢ ( 𝜑 → ( 𝑄 ‘ 0 ) ≤ 𝐴 ) |
| 524 | 143 | breq1d | ⊢ ( 𝑖 = 0 → ( ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 ↔ ( 𝑄 ‘ 0 ) ≤ 𝐴 ) ) |
| 525 | 524 | elrab | ⊢ ( 0 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ↔ ( 0 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 0 ) ≤ 𝐴 ) ) |
| 526 | 139 523 525 | sylanbrc | ⊢ ( 𝜑 → 0 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) |
| 527 | 526 | snssd | ⊢ ( 𝜑 → { 0 } ⊆ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } ) |
| 528 | 521 527 | eqssd | ⊢ ( 𝜑 → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } = { 0 } ) |
| 529 | 528 | supeq1d | ⊢ ( 𝜑 → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } , ℝ , < ) = sup ( { 0 } , ℝ , < ) ) |
| 530 | supsn | ⊢ ( ( < Or ℝ ∧ 0 ∈ ℝ ) → sup ( { 0 } , ℝ , < ) = 0 ) | |
| 531 | 60 140 530 | mp2an | ⊢ sup ( { 0 } , ℝ , < ) = 0 |
| 532 | 531 | a1i | ⊢ ( 𝜑 → sup ( { 0 } , ℝ , < ) = 0 ) |
| 533 | 529 532 | eqtrd | ⊢ ( 𝜑 → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } , ℝ , < ) = 0 ) |
| 534 | 533 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ 𝐴 } , ℝ , < ) = 0 ) |
| 535 | 332 344 534 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = 0 ) |
| 536 | 535 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) = ( 0 + 1 ) ) |
| 537 | 536 | fveq2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) = ( 𝑄 ‘ ( 0 + 1 ) ) ) |
| 538 | 537 157 | eqtr2di | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑄 ‘ 1 ) = ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 539 | 328 538 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 540 | 66 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) ) |
| 541 | simplr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑗 ∈ ( 0 ..^ 𝑁 ) ) | |
| 542 | 13 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) ) |
| 543 | simpr | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 544 | neqne | ⊢ ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≠ 𝐵 ) | |
| 545 | 544 | adantr | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≠ 𝐵 ) |
| 546 | 543 545 | eqnetrd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 ≠ 𝐵 ) |
| 547 | 546 | neneqd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ¬ 𝑦 = 𝐵 ) |
| 548 | 547 | iffalsed | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝑦 ) |
| 549 | 548 543 | eqtrd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 550 | 549 | adantll | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 551 | 112 216 218 1 12 | fourierdlem4 | ⊢ ( 𝜑 → 𝐸 : ℝ ⟶ ( 𝐴 (,] 𝐵 ) ) |
| 552 | 551 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐸 : ℝ ⟶ ( 𝐴 (,] 𝐵 ) ) |
| 553 | 552 43 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 554 | 553 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 555 | 542 550 554 554 | fvmptd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 556 | 555 | eqcomd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 557 | 112 216 218 13 | fourierdlem17 | ⊢ ( 𝜑 → 𝐿 : ( 𝐴 (,] 𝐵 ) ⟶ ( 𝐴 [,] 𝐵 ) ) |
| 558 | 557 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐿 : ( 𝐴 (,] 𝐵 ) ⟶ ( 𝐴 [,] 𝐵 ) ) |
| 559 | 112 216 | iccssred | ⊢ ( 𝜑 → ( 𝐴 [,] 𝐵 ) ⊆ ℝ ) |
| 560 | 559 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐴 [,] 𝐵 ) ⊆ ℝ ) |
| 561 | 558 560 | fssd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐿 : ( 𝐴 (,] 𝐵 ) ⟶ ℝ ) |
| 562 | 561 553 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 563 | 562 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 564 | 556 563 | eqeltrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 565 | 216 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ∈ ℝ ) |
| 566 | 243 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐴 ∈ ℝ* ) |
| 567 | 216 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐵 ∈ ℝ ) |
| 568 | elioc2 | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) ) | |
| 569 | 566 567 568 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) ) |
| 570 | 553 569 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) |
| 571 | 570 | simp3d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) |
| 572 | 571 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) |
| 573 | 544 | necomd | ⊢ ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → 𝐵 ≠ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 574 | 573 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ≠ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 575 | 564 565 572 574 | leneltd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝐵 ) |
| 576 | 575 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝐵 ) |
| 577 | oveq1 | ⊢ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) = ( ( 𝑀 − 1 ) + 1 ) ) | |
| 578 | 3 | nncnd | ⊢ ( 𝜑 → 𝑀 ∈ ℂ ) |
| 579 | 1cnd | ⊢ ( 𝜑 → 1 ∈ ℂ ) | |
| 580 | 578 579 | npcand | ⊢ ( 𝜑 → ( ( 𝑀 − 1 ) + 1 ) = 𝑀 ) |
| 581 | 577 580 | sylan9eqr | ⊢ ( ( 𝜑 ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) = 𝑀 ) |
| 582 | 581 | fveq2d | ⊢ ( ( 𝜑 ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) = ( 𝑄 ‘ 𝑀 ) ) |
| 583 | 154 | simprd | ⊢ ( 𝜑 → ( 𝑄 ‘ 𝑀 ) = 𝐵 ) |
| 584 | 583 | adantr | ⊢ ( ( 𝜑 ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝑄 ‘ 𝑀 ) = 𝐵 ) |
| 585 | 582 584 | eqtr2d | ⊢ ( ( 𝜑 ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 𝐵 = ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 586 | 585 | adantlr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 𝐵 = ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 587 | 586 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 𝐵 = ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 588 | 576 587 | breqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 589 | 556 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 590 | ssrab2 | ⊢ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ( 0 ..^ 𝑀 ) | |
| 591 | fzssz | ⊢ ( 0 ... 𝑀 ) ⊆ ℤ | |
| 592 | 25 591 | sstri | ⊢ ( 0 ..^ 𝑀 ) ⊆ ℤ |
| 593 | zssre | ⊢ ℤ ⊆ ℝ | |
| 594 | 592 593 | sstri | ⊢ ( 0 ..^ 𝑀 ) ⊆ ℝ |
| 595 | 590 594 | sstri | ⊢ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ℝ |
| 596 | 595 | a1i | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ℝ ) |
| 597 | 57 | neeq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ≠ ∅ ↔ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ) ) |
| 598 | 68 597 | imbi12d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ≠ ∅ ) ↔ ( ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ) ) ) |
| 599 | 139 | adantr | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 0 ∈ ( 0 ..^ 𝑀 ) ) |
| 600 | 523 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → ( 𝑄 ‘ 0 ) ≤ 𝐴 ) |
| 601 | iftrue | ⊢ ( ( 𝐸 ‘ 𝑥 ) = 𝐵 → if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) = 𝐴 ) | |
| 602 | 601 | eqcomd | ⊢ ( ( 𝐸 ‘ 𝑥 ) = 𝐵 → 𝐴 = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 603 | 602 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → 𝐴 = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 604 | 600 603 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → ( 𝑄 ‘ 0 ) ≤ if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 605 | 522 | adantr | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) ∈ ℝ ) |
| 606 | 112 | adantr | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 𝐴 ∈ ℝ ) |
| 607 | 606 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 𝐴 ∈ ℝ* ) |
| 608 | 216 | adantr | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 𝐵 ∈ ℝ ) |
| 609 | iocssre | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ ) → ( 𝐴 (,] 𝐵 ) ⊆ ℝ ) | |
| 610 | 607 608 609 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝐴 (,] 𝐵 ) ⊆ ℝ ) |
| 611 | 551 | ffvelcdmda | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝐸 ‘ 𝑥 ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 612 | 610 611 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝐸 ‘ 𝑥 ) ∈ ℝ ) |
| 613 | 155 | adantr | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) = 𝐴 ) |
| 614 | elioc2 | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ ) → ( ( 𝐸 ‘ 𝑥 ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ 𝑥 ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ 𝑥 ) ∧ ( 𝐸 ‘ 𝑥 ) ≤ 𝐵 ) ) ) | |
| 615 | 607 608 614 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( ( 𝐸 ‘ 𝑥 ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ 𝑥 ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ 𝑥 ) ∧ ( 𝐸 ‘ 𝑥 ) ≤ 𝐵 ) ) ) |
| 616 | 611 615 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( ( 𝐸 ‘ 𝑥 ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ 𝑥 ) ∧ ( 𝐸 ‘ 𝑥 ) ≤ 𝐵 ) ) |
| 617 | 616 | simp2d | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 𝐴 < ( 𝐸 ‘ 𝑥 ) ) |
| 618 | 613 617 | eqbrtrd | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) < ( 𝐸 ‘ 𝑥 ) ) |
| 619 | 605 612 618 | ltled | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) ≤ ( 𝐸 ‘ 𝑥 ) ) |
| 620 | 619 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ¬ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → ( 𝑄 ‘ 0 ) ≤ ( 𝐸 ‘ 𝑥 ) ) |
| 621 | iffalse | ⊢ ( ¬ ( 𝐸 ‘ 𝑥 ) = 𝐵 → if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) = ( 𝐸 ‘ 𝑥 ) ) | |
| 622 | 621 | eqcomd | ⊢ ( ¬ ( 𝐸 ‘ 𝑥 ) = 𝐵 → ( 𝐸 ‘ 𝑥 ) = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 623 | 622 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ¬ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → ( 𝐸 ‘ 𝑥 ) = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 624 | 620 623 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ ¬ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) → ( 𝑄 ‘ 0 ) ≤ if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 625 | 604 624 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) ≤ if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 626 | 13 | a1i | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) ) |
| 627 | eqeq1 | ⊢ ( 𝑦 = ( 𝐸 ‘ 𝑥 ) → ( 𝑦 = 𝐵 ↔ ( 𝐸 ‘ 𝑥 ) = 𝐵 ) ) | |
| 628 | id | ⊢ ( 𝑦 = ( 𝐸 ‘ 𝑥 ) → 𝑦 = ( 𝐸 ‘ 𝑥 ) ) | |
| 629 | 627 628 | ifbieq2d | ⊢ ( 𝑦 = ( 𝐸 ‘ 𝑥 ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 630 | 629 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) ∧ 𝑦 = ( 𝐸 ‘ 𝑥 ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 631 | 606 612 | ifcld | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ∈ ℝ ) |
| 632 | 626 630 611 631 | fvmptd | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) = if ( ( 𝐸 ‘ 𝑥 ) = 𝐵 , 𝐴 , ( 𝐸 ‘ 𝑥 ) ) ) |
| 633 | 625 632 | breqtrrd | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → ( 𝑄 ‘ 0 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) ) |
| 634 | 143 | breq1d | ⊢ ( 𝑖 = 0 → ( ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) ↔ ( 𝑄 ‘ 0 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) ) ) |
| 635 | 634 | elrab | ⊢ ( 0 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ↔ ( 0 ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ 0 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) ) ) |
| 636 | 599 633 635 | sylanbrc | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → 0 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ) |
| 637 | ne0i | ⊢ ( 0 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ≠ ∅ ) | |
| 638 | 636 637 | syl | ⊢ ( ( 𝜑 ∧ 𝑥 ∈ ℝ ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ 𝑥 ) ) } ≠ ∅ ) |
| 639 | 598 638 | vtoclg | ⊢ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ → ( ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ) ) |
| 640 | 43 66 639 | sylc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ) |
| 641 | 640 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ) |
| 642 | 595 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ℝ ) |
| 643 | fzofi | ⊢ ( 0 ..^ 𝑀 ) ∈ Fin | |
| 644 | ssfi | ⊢ ( ( ( 0 ..^ 𝑀 ) ∈ Fin ∧ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ( 0 ..^ 𝑀 ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ∈ Fin ) | |
| 645 | 643 590 644 | mp2an | ⊢ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ∈ Fin |
| 646 | 645 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ∈ Fin ) |
| 647 | fimaxre2 | ⊢ ( ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ℝ ∧ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ∈ Fin ) → ∃ 𝑥 ∈ ℝ ∀ 𝑙 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } 𝑙 ≤ 𝑥 ) | |
| 648 | 642 646 647 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ∃ 𝑥 ∈ ℝ ∀ 𝑙 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } 𝑙 ≤ 𝑥 ) |
| 649 | 648 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ∃ 𝑥 ∈ ℝ ∀ 𝑙 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } 𝑙 ≤ 𝑥 ) |
| 650 | 0red | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 ∈ ℝ ) | |
| 651 | 594 48 | sselid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 652 | 1red | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 1 ∈ ℝ ) | |
| 653 | 651 652 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ℝ ) |
| 654 | elfzouz | ⊢ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 0 ..^ 𝑀 ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( ℤ≥ ‘ 0 ) ) | |
| 655 | eluzle | ⊢ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( ℤ≥ ‘ 0 ) → 0 ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 656 | 48 654 655 | 3syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 657 | 385 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 < 1 ) |
| 658 | 651 652 656 657 | addgegt0d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 < ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) |
| 659 | 650 653 658 | ltled | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 ≤ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) |
| 660 | 659 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 0 ≤ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) |
| 661 | 651 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 662 | 1red | ⊢ ( 𝜑 → 1 ∈ ℝ ) | |
| 663 | 392 662 | resubcld | ⊢ ( 𝜑 → ( 𝑀 − 1 ) ∈ ℝ ) |
| 664 | 663 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝑀 − 1 ) ∈ ℝ ) |
| 665 | 1red | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 1 ∈ ℝ ) | |
| 666 | elfzolt2 | ⊢ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 0 ..^ 𝑀 ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝑀 ) | |
| 667 | 48 666 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝑀 ) |
| 668 | 44 | elfzelzd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℤ ) |
| 669 | 97 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑀 ∈ ℤ ) |
| 670 | zltlem1 | ⊢ ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℤ ∧ 𝑀 ∈ ℤ ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝑀 ↔ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ ( 𝑀 − 1 ) ) ) | |
| 671 | 668 669 670 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝑀 ↔ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ ( 𝑀 − 1 ) ) ) |
| 672 | 667 671 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ ( 𝑀 − 1 ) ) |
| 673 | 672 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ ( 𝑀 − 1 ) ) |
| 674 | neqne | ⊢ ( ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ≠ ( 𝑀 − 1 ) ) | |
| 675 | 674 | necomd | ⊢ ( ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) → ( 𝑀 − 1 ) ≠ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 676 | 675 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝑀 − 1 ) ≠ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 677 | 661 664 673 676 | leneltd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑀 − 1 ) ) |
| 678 | 661 664 665 677 | ltadd1dd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) < ( ( 𝑀 − 1 ) + 1 ) ) |
| 679 | 580 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝑀 − 1 ) + 1 ) = 𝑀 ) |
| 680 | 678 679 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) < 𝑀 ) |
| 681 | 50 | elfzelzd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ℤ ) |
| 682 | 681 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ℤ ) |
| 683 | 0zd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 0 ∈ ℤ ) | |
| 684 | 97 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → 𝑀 ∈ ℤ ) |
| 685 | elfzo | ⊢ ( ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ℤ ∧ 0 ∈ ℤ ∧ 𝑀 ∈ ℤ ) → ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ..^ 𝑀 ) ↔ ( 0 ≤ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∧ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) < 𝑀 ) ) ) | |
| 686 | 682 683 684 685 | syl3anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ..^ 𝑀 ) ↔ ( 0 ≤ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∧ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) < 𝑀 ) ) ) |
| 687 | 660 680 686 | mpbir2and | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ..^ 𝑀 ) ) |
| 688 | 687 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ..^ 𝑀 ) ) |
| 689 | simpr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) | |
| 690 | fveq2 | ⊢ ( 𝑖 = ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) → ( 𝑄 ‘ 𝑖 ) = ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) | |
| 691 | 690 | breq1d | ⊢ ( 𝑖 = ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) → ( ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ↔ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 692 | 691 | elrab | ⊢ ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ↔ ( ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ..^ 𝑀 ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 693 | 688 689 692 | sylanbrc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) |
| 694 | suprub | ⊢ ( ( ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ⊆ ℝ ∧ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ≠ ∅ ∧ ∃ 𝑥 ∈ ℝ ∀ 𝑙 ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } 𝑙 ≤ 𝑥 ) ∧ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) | |
| 695 | 596 641 649 693 694 | syl31anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) ) |
| 696 | 63 | eqcomd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) = ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 697 | 696 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → sup ( { 𝑖 ∈ ( 0 ..^ 𝑀 ) ∣ ( 𝑄 ‘ 𝑖 ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) } , ℝ , < ) = ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 698 | 695 697 | breqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 699 | 651 | ltp1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) |
| 700 | 651 653 | ltnled | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ↔ ¬ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 701 | 699 700 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ¬ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 702 | 701 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) → ¬ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ≤ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 703 | 698 702 | pm2.65da | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ¬ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 704 | 562 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 705 | 51 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ∈ ℝ ) |
| 706 | 704 705 | ltnled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ↔ ¬ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 707 | 703 706 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 708 | 707 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 709 | 589 708 | eqbrtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( 𝑀 − 1 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 710 | 588 709 | pm2.61dan | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 711 | 3 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝑀 ∈ ℕ ) |
| 712 | 4 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) |
| 713 | 5 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝐶 ∈ ℝ ) |
| 714 | 6 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝐷 ∈ ℝ ) |
| 715 | 7 | 3ad2ant1 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝐶 < 𝐷 ) |
| 716 | 50 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ∈ ( 0 ... 𝑀 ) ) |
| 717 | simp2 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → 𝑗 ∈ ( 0 ..^ 𝑁 ) ) | |
| 718 | 43 | leidd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ≤ ( 𝑆 ‘ 𝑗 ) ) |
| 719 | elico2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ* ) → ( ( 𝑆 ‘ 𝑗 ) ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ↔ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) ≤ ( 𝑆 ‘ 𝑗 ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) | |
| 720 | 43 210 719 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ↔ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) ≤ ( 𝑆 ‘ 𝑗 ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) |
| 721 | 43 718 129 720 | mpbir3and | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 722 | 721 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ( ( 𝑆 ‘ 𝑗 ) [,) ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 723 | simp3 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) | |
| 724 | eqid | ⊢ ( ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) | |
| 725 | 1 2 711 712 713 714 715 8 9 10 11 12 716 717 722 723 724 | fourierdlem63 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 726 | 725 | 3adant1r | ⊢ ( ( ( 𝜑 ∧ ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 727 | 540 541 710 726 | syl3anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 728 | 539 727 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) |
| 729 | ioossioo | ⊢ ( ( ( ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ* ∧ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ∈ ℝ* ) ∧ ( ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ≤ ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) ) → ( ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ⊆ ( ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) ) | |
| 730 | 46 52 90 728 729 | syl22anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ⊆ ( ( 𝑄 ‘ ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) ) (,) ( 𝑄 ‘ ( ( 𝐼 ‘ ( 𝑆 ‘ 𝑗 ) ) + 1 ) ) ) ) |