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Description: The distance of two adjacent points in the moved partition is preserved in the original partition. (Contributed by Glauco Siliprandi, 11-Dec-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | fourierdlem65.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐴 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| fourierdlem65.t | ⊢ 𝑇 = ( 𝐵 − 𝐴 ) | ||
| fourierdlem65.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | ||
| fourierdlem65.q | ⊢ ( 𝜑 → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) | ||
| fourierdlem65.c | ⊢ ( 𝜑 → 𝐶 ∈ ℝ ) | ||
| fourierdlem65.d | ⊢ ( 𝜑 → 𝐷 ∈ ( 𝐶 (,) +∞ ) ) | ||
| fourierdlem65.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐶 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | ||
| fourierdlem65.n | ⊢ 𝑁 = ( ( ♯ ‘ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) − 1 ) | ||
| fourierdlem65.s | ⊢ 𝑆 = ( ℩ 𝑓 𝑓 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) | ||
| fourierdlem65.e | ⊢ 𝐸 = ( 𝑥 ∈ ℝ ↦ ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) ) | ||
| fourierdlem65.l | ⊢ 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) | ||
| fourierdlem65.z | ⊢ 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) | ||
| Assertion | fourierdlem65 | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fourierdlem65.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐴 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 2 | fourierdlem65.t | ⊢ 𝑇 = ( 𝐵 − 𝐴 ) | |
| 3 | fourierdlem65.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | |
| 4 | fourierdlem65.q | ⊢ ( 𝜑 → 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ) | |
| 5 | fourierdlem65.c | ⊢ ( 𝜑 → 𝐶 ∈ ℝ ) | |
| 6 | fourierdlem65.d | ⊢ ( 𝜑 → 𝐷 ∈ ( 𝐶 (,) +∞ ) ) | |
| 7 | fourierdlem65.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = 𝐶 ∧ ( 𝑝 ‘ 𝑚 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 8 | fourierdlem65.n | ⊢ 𝑁 = ( ( ♯ ‘ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) − 1 ) | |
| 9 | fourierdlem65.s | ⊢ 𝑆 = ( ℩ 𝑓 𝑓 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) | |
| 10 | fourierdlem65.e | ⊢ 𝐸 = ( 𝑥 ∈ ℝ ↦ ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) ) | |
| 11 | fourierdlem65.l | ⊢ 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) | |
| 12 | fourierdlem65.z | ⊢ 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) | |
| 13 | 11 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) ) |
| 14 | simpr | ⊢ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 15 | simpl | ⊢ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) | |
| 16 | 14 15 | eqtrd | ⊢ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 = 𝐵 ) |
| 17 | 16 | iftrued | ⊢ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝐴 ) |
| 18 | 17 | adantll | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝐴 ) |
| 19 | 1 3 4 | fourierdlem11 | ⊢ ( 𝜑 → ( 𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ ∧ 𝐴 < 𝐵 ) ) |
| 20 | 19 | simp1d | ⊢ ( 𝜑 → 𝐴 ∈ ℝ ) |
| 21 | 19 | simp2d | ⊢ ( 𝜑 → 𝐵 ∈ ℝ ) |
| 22 | 19 | simp3d | ⊢ ( 𝜑 → 𝐴 < 𝐵 ) |
| 23 | 20 21 22 2 10 | fourierdlem4 | ⊢ ( 𝜑 → 𝐸 : ℝ ⟶ ( 𝐴 (,] 𝐵 ) ) |
| 24 | 23 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐸 : ℝ ⟶ ( 𝐴 (,] 𝐵 ) ) |
| 25 | ioossre | ⊢ ( 𝐶 (,) +∞ ) ⊆ ℝ | |
| 26 | 25 6 | sselid | ⊢ ( 𝜑 → 𝐷 ∈ ℝ ) |
| 27 | 5 | rexrd | ⊢ ( 𝜑 → 𝐶 ∈ ℝ* ) |
| 28 | pnfxr | ⊢ +∞ ∈ ℝ* | |
| 29 | 28 | a1i | ⊢ ( 𝜑 → +∞ ∈ ℝ* ) |
| 30 | ioogtlb | ⊢ ( ( 𝐶 ∈ ℝ* ∧ +∞ ∈ ℝ* ∧ 𝐷 ∈ ( 𝐶 (,) +∞ ) ) → 𝐶 < 𝐷 ) | |
| 31 | 27 29 6 30 | syl3anc | ⊢ ( 𝜑 → 𝐶 < 𝐷 ) |
| 32 | id | ⊢ ( 𝑦 = 𝑥 → 𝑦 = 𝑥 ) | |
| 33 | 2 | eqcomi | ⊢ ( 𝐵 − 𝐴 ) = 𝑇 |
| 34 | 33 | oveq2i | ⊢ ( 𝑘 · ( 𝐵 − 𝐴 ) ) = ( 𝑘 · 𝑇 ) |
| 35 | 34 | a1i | ⊢ ( 𝑦 = 𝑥 → ( 𝑘 · ( 𝐵 − 𝐴 ) ) = ( 𝑘 · 𝑇 ) ) |
| 36 | 32 35 | oveq12d | ⊢ ( 𝑦 = 𝑥 → ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) = ( 𝑥 + ( 𝑘 · 𝑇 ) ) ) |
| 37 | 36 | eleq1d | ⊢ ( 𝑦 = 𝑥 → ( ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 ) ) |
| 38 | 37 | rexbidv | ⊢ ( 𝑦 = 𝑥 → ( ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ∃ 𝑘 ∈ ℤ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 ) ) |
| 39 | 38 | cbvrabv | ⊢ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } = { 𝑥 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 } |
| 40 | 39 | uneq2i | ⊢ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) = ( { 𝐶 , 𝐷 } ∪ { 𝑥 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑥 + ( 𝑘 · 𝑇 ) ) ∈ ran 𝑄 } ) |
| 41 | 2 1 3 4 5 26 31 7 40 8 9 | fourierdlem54 | ⊢ ( 𝜑 → ( ( 𝑁 ∈ ℕ ∧ 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) ∧ 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) ) |
| 42 | 41 | simpld | ⊢ ( 𝜑 → ( 𝑁 ∈ ℕ ∧ 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) ) |
| 43 | 42 | simprd | ⊢ ( 𝜑 → 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ) |
| 44 | 42 | simpld | ⊢ ( 𝜑 → 𝑁 ∈ ℕ ) |
| 45 | 7 | 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 ) ) ) ) ) ) |
| 46 | 44 45 | syl | ⊢ ( 𝜑 → ( 𝑆 ∈ ( 𝑂 ‘ 𝑁 ) ↔ ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ∧ ( ( ( 𝑆 ‘ 0 ) = 𝐶 ∧ ( 𝑆 ‘ 𝑁 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑁 ) ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 47 | 43 46 | mpbid | ⊢ ( 𝜑 → ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ∧ ( ( ( 𝑆 ‘ 0 ) = 𝐶 ∧ ( 𝑆 ‘ 𝑁 ) = 𝐷 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑁 ) ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 48 | 47 | simpld | ⊢ ( 𝜑 → 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) ) |
| 49 | elmapi | ⊢ ( 𝑆 ∈ ( ℝ ↑m ( 0 ... 𝑁 ) ) → 𝑆 : ( 0 ... 𝑁 ) ⟶ ℝ ) | |
| 50 | 48 49 | syl | ⊢ ( 𝜑 → 𝑆 : ( 0 ... 𝑁 ) ⟶ ℝ ) |
| 51 | 50 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 : ( 0 ... 𝑁 ) ⟶ ℝ ) |
| 52 | elfzofz | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ( 0 ... 𝑁 ) ) | |
| 53 | 52 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑗 ∈ ( 0 ... 𝑁 ) ) |
| 54 | 51 53 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) |
| 55 | 24 54 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 56 | 55 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 57 | 20 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐴 ∈ ℝ ) |
| 58 | 13 18 56 57 | fvmptd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = 𝐴 ) |
| 59 | 58 | oveq2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − 𝐴 ) ) |
| 60 | 21 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ∈ ℝ ) |
| 61 | 22 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐴 < 𝐵 ) |
| 62 | 54 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) |
| 63 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) | |
| 64 | fzofzp1 | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) | |
| 65 | 64 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) |
| 66 | 51 65 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) |
| 67 | 66 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) |
| 68 | elfzoelz | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ℤ ) | |
| 69 | 68 | zred | ⊢ ( 𝑗 ∈ ( 0 ..^ 𝑁 ) → 𝑗 ∈ ℝ ) |
| 70 | 69 | adantl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑗 ∈ ℝ ) |
| 71 | 70 | ltp1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑗 < ( 𝑗 + 1 ) ) |
| 72 | 41 | simprd | ⊢ ( 𝜑 → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) |
| 73 | 72 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) |
| 74 | isorel | ⊢ ( ( 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ∧ ( 𝑗 ∈ ( 0 ... 𝑁 ) ∧ ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) ) → ( 𝑗 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) | |
| 75 | 73 53 65 74 | syl12anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑗 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 76 | 71 75 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 77 | 76 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 78 | isof1o | ⊢ ( 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) → 𝑆 : ( 0 ... 𝑁 ) –1-1-onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) | |
| 79 | f1ofo | ⊢ ( 𝑆 : ( 0 ... 𝑁 ) –1-1-onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) → 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) | |
| 80 | 72 78 79 | 3syl | ⊢ ( 𝜑 → 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) |
| 81 | 80 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) |
| 82 | 5 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → 𝐶 ∈ ℝ ) |
| 83 | 26 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → 𝐷 ∈ ℝ ) |
| 84 | 21 20 | resubcld | ⊢ ( 𝜑 → ( 𝐵 − 𝐴 ) ∈ ℝ ) |
| 85 | 2 84 | eqeltrid | ⊢ ( 𝜑 → 𝑇 ∈ ℝ ) |
| 86 | 85 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑇 ∈ ℝ ) |
| 87 | 54 86 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) |
| 88 | 87 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) |
| 89 | 5 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 ∈ ℝ ) |
| 90 | 7 44 43 | fourierdlem15 | ⊢ ( 𝜑 → 𝑆 : ( 0 ... 𝑁 ) ⟶ ( 𝐶 [,] 𝐷 ) ) |
| 91 | 90 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑆 : ( 0 ... 𝑁 ) ⟶ ( 𝐶 [,] 𝐷 ) ) |
| 92 | 91 53 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ( 𝐶 [,] 𝐷 ) ) |
| 93 | 26 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐷 ∈ ℝ ) |
| 94 | elicc2 | ⊢ ( ( 𝐶 ∈ ℝ ∧ 𝐷 ∈ ℝ ) → ( ( 𝑆 ‘ 𝑗 ) ∈ ( 𝐶 [,] 𝐷 ) ↔ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ 𝑗 ) ∧ ( 𝑆 ‘ 𝑗 ) ≤ 𝐷 ) ) ) | |
| 95 | 89 93 94 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) ∈ ( 𝐶 [,] 𝐷 ) ↔ ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ 𝑗 ) ∧ ( 𝑆 ‘ 𝑗 ) ≤ 𝐷 ) ) ) |
| 96 | 92 95 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ 𝑗 ) ∧ ( 𝑆 ‘ 𝑗 ) ≤ 𝐷 ) ) |
| 97 | 96 | simp2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 ≤ ( 𝑆 ‘ 𝑗 ) ) |
| 98 | 20 21 | posdifd | ⊢ ( 𝜑 → ( 𝐴 < 𝐵 ↔ 0 < ( 𝐵 − 𝐴 ) ) ) |
| 99 | 22 98 | mpbid | ⊢ ( 𝜑 → 0 < ( 𝐵 − 𝐴 ) ) |
| 100 | 99 2 | breqtrrdi | ⊢ ( 𝜑 → 0 < 𝑇 ) |
| 101 | 85 100 | elrpd | ⊢ ( 𝜑 → 𝑇 ∈ ℝ+ ) |
| 102 | 101 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑇 ∈ ℝ+ ) |
| 103 | 54 102 | ltaddrpd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) < ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 104 | 89 54 87 97 103 | lelttrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 < ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 105 | 89 87 104 | ltled | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 106 | 105 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → 𝐶 ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 107 | 66 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) |
| 108 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) | |
| 109 | 88 107 | ltnled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ↔ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) |
| 110 | 108 109 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 111 | 91 65 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( 𝐶 [,] 𝐷 ) ) |
| 112 | elicc2 | ⊢ ( ( 𝐶 ∈ ℝ ∧ 𝐷 ∈ ℝ ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( 𝐶 [,] 𝐷 ) ↔ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) ) ) | |
| 113 | 89 93 112 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( 𝐶 [,] 𝐷 ) ↔ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) ) ) |
| 114 | 111 113 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ∧ 𝐶 ≤ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) ) |
| 115 | 114 | simp3d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) |
| 116 | 115 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) |
| 117 | 88 107 83 110 116 | ltletrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) < 𝐷 ) |
| 118 | 88 83 117 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ≤ 𝐷 ) |
| 119 | 82 83 88 106 118 | eliccd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( 𝐶 [,] 𝐷 ) ) |
| 120 | 119 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( 𝐶 [,] 𝐷 ) ) |
| 121 | 10 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐸 = ( 𝑥 ∈ ℝ ↦ ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) ) ) |
| 122 | id | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → 𝑥 = ( 𝑆 ‘ 𝑗 ) ) | |
| 123 | oveq2 | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( 𝐵 − 𝑥 ) = ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) ) | |
| 124 | 123 | oveq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( 𝐵 − 𝑥 ) / 𝑇 ) = ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 125 | 124 | fveq2d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 126 | 125 | oveq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) = ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 127 | 122 126 | oveq12d | ⊢ ( 𝑥 = ( 𝑆 ‘ 𝑗 ) → ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 128 | 127 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑥 = ( 𝑆 ‘ 𝑗 ) ) → ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 129 | 21 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐵 ∈ ℝ ) |
| 130 | 129 54 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 131 | 130 102 | rerpdivcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℝ ) |
| 132 | 131 | flcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∈ ℤ ) |
| 133 | 132 | zred | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∈ ℝ ) |
| 134 | 133 86 | remulcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ∈ ℝ ) |
| 135 | 54 134 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ∈ ℝ ) |
| 136 | 121 128 54 135 | fvmptd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 137 | 136 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 138 | 137 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) = ( ( ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 139 | 54 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ∈ ℂ ) |
| 140 | 134 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ∈ ℂ ) |
| 141 | 139 140 | pncan2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( 𝑆 ‘ 𝑗 ) ) = ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 142 | 141 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) = ( ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) / 𝑇 ) ) |
| 143 | 133 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∈ ℂ ) |
| 144 | 86 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑇 ∈ ℂ ) |
| 145 | 102 | rpne0d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑇 ≠ 0 ) |
| 146 | 143 144 145 | divcan4d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) / 𝑇 ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 147 | 138 142 146 | 3eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 148 | 147 132 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℤ ) |
| 149 | peano2zm | ⊢ ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℤ → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) ∈ ℤ ) | |
| 150 | 148 149 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) ∈ ℤ ) |
| 151 | 150 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) ∈ ℤ ) |
| 152 | 33 | oveq2i | ⊢ ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) |
| 153 | 152 | oveq2i | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) |
| 154 | 153 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) ) |
| 155 | 136 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 156 | oveq1 | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) = ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) ) | |
| 157 | 156 | eqcomd | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 158 | 157 | oveq1d | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 159 | 158 | fveq2d | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 160 | 159 | oveq1d | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) = ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 161 | 160 | oveq2d | ⊢ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 162 | 161 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 163 | 147 143 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℂ ) |
| 164 | 1cnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 1 ∈ ℂ ) | |
| 165 | 163 164 144 | subdird | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − ( 1 · 𝑇 ) ) ) |
| 166 | 85 | recnd | ⊢ ( 𝜑 → 𝑇 ∈ ℂ ) |
| 167 | 166 | mullidd | ⊢ ( 𝜑 → ( 1 · 𝑇 ) = 𝑇 ) |
| 168 | 167 | oveq2d | ⊢ ( 𝜑 → ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − ( 1 · 𝑇 ) ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − 𝑇 ) ) |
| 169 | 168 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − ( 1 · 𝑇 ) ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − 𝑇 ) ) |
| 170 | 165 169 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − 𝑇 ) ) |
| 171 | 170 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − 𝑇 ) ) ) |
| 172 | 163 144 | mulcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) ∈ ℂ ) |
| 173 | 139 144 172 | ppncand | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) − 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) ) ) |
| 174 | flid | ⊢ ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℤ → ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) | |
| 175 | 148 174 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 176 | 175 | eqcomd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) = ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 177 | 176 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) = ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 178 | 177 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) ) = ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 179 | 171 173 178 | 3eqtrrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) ) |
| 180 | 179 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) ) |
| 181 | 155 162 180 | 3eqtrrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · 𝑇 ) ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 182 | 154 181 63 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) = 𝐵 ) |
| 183 | 1 | 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 ) ) ) ) ) ) |
| 184 | 3 183 | syl | ⊢ ( 𝜑 → ( 𝑄 ∈ ( 𝑃 ‘ 𝑀 ) ↔ ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 185 | 4 184 | mpbid | ⊢ ( 𝜑 → ( 𝑄 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 186 | 185 | simprd | ⊢ ( 𝜑 → ( ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑄 ‘ 𝑖 ) < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 187 | 186 | simpld | ⊢ ( 𝜑 → ( ( 𝑄 ‘ 0 ) = 𝐴 ∧ ( 𝑄 ‘ 𝑀 ) = 𝐵 ) ) |
| 188 | 187 | simprd | ⊢ ( 𝜑 → ( 𝑄 ‘ 𝑀 ) = 𝐵 ) |
| 189 | 188 | eqcomd | ⊢ ( 𝜑 → 𝐵 = ( 𝑄 ‘ 𝑀 ) ) |
| 190 | 1 3 4 | fourierdlem15 | ⊢ ( 𝜑 → 𝑄 : ( 0 ... 𝑀 ) ⟶ ( 𝐴 [,] 𝐵 ) ) |
| 191 | ffn | ⊢ ( 𝑄 : ( 0 ... 𝑀 ) ⟶ ( 𝐴 [,] 𝐵 ) → 𝑄 Fn ( 0 ... 𝑀 ) ) | |
| 192 | 190 191 | syl | ⊢ ( 𝜑 → 𝑄 Fn ( 0 ... 𝑀 ) ) |
| 193 | 3 | nnnn0d | ⊢ ( 𝜑 → 𝑀 ∈ ℕ0 ) |
| 194 | nn0uz | ⊢ ℕ0 = ( ℤ≥ ‘ 0 ) | |
| 195 | 193 194 | eleqtrdi | ⊢ ( 𝜑 → 𝑀 ∈ ( ℤ≥ ‘ 0 ) ) |
| 196 | eluzfz2 | ⊢ ( 𝑀 ∈ ( ℤ≥ ‘ 0 ) → 𝑀 ∈ ( 0 ... 𝑀 ) ) | |
| 197 | 195 196 | syl | ⊢ ( 𝜑 → 𝑀 ∈ ( 0 ... 𝑀 ) ) |
| 198 | fnfvelrn | ⊢ ( ( 𝑄 Fn ( 0 ... 𝑀 ) ∧ 𝑀 ∈ ( 0 ... 𝑀 ) ) → ( 𝑄 ‘ 𝑀 ) ∈ ran 𝑄 ) | |
| 199 | 192 197 198 | syl2anc | ⊢ ( 𝜑 → ( 𝑄 ‘ 𝑀 ) ∈ ran 𝑄 ) |
| 200 | 189 199 | eqeltrd | ⊢ ( 𝜑 → 𝐵 ∈ ran 𝑄 ) |
| 201 | 200 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ∈ ran 𝑄 ) |
| 202 | 182 201 | eqeltrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 203 | 202 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 204 | oveq1 | ⊢ ( 𝑘 = ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) → ( 𝑘 · ( 𝐵 − 𝐴 ) ) = ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) | |
| 205 | 204 | oveq2d | ⊢ ( 𝑘 = ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) → ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) ) |
| 206 | 205 | eleq1d | ⊢ ( 𝑘 = ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) → ( ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 207 | 206 | rspcev | ⊢ ( ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) ∈ ℤ ∧ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − 1 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) → ∃ 𝑘 ∈ ℤ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 208 | 151 203 207 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ∃ 𝑘 ∈ ℤ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 209 | oveq1 | ⊢ ( 𝑦 = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) → ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ) | |
| 210 | 209 | eleq1d | ⊢ ( 𝑦 = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) → ( ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 211 | 210 | rexbidv | ⊢ ( 𝑦 = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) → ( ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ∃ 𝑘 ∈ ℤ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 212 | 211 | elrab | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ↔ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( 𝐶 [,] 𝐷 ) ∧ ∃ 𝑘 ∈ ℤ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 213 | 120 208 212 | sylanbrc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) |
| 214 | elun2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) | |
| 215 | 213 214 | syl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) |
| 216 | foelrn | ⊢ ( ( 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ∧ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ) | |
| 217 | 81 215 216 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ) |
| 218 | eqcom | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ↔ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) | |
| 219 | 218 | rexbii | ⊢ ( ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ↔ ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 220 | 217 219 | sylib | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 221 | 103 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝑆 ‘ 𝑗 ) < ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 222 | 218 | biimpri | ⊢ ( ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ) |
| 223 | 222 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) = ( 𝑆 ‘ 𝑖 ) ) |
| 224 | 221 223 | breqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) |
| 225 | 110 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 226 | 223 225 | eqbrtrrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 227 | 224 226 | jca | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 228 | 227 | adantlr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 229 | simplll | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ) | |
| 230 | simplr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → 𝑖 ∈ ( 0 ... 𝑁 ) ) | |
| 231 | elfzelz | ⊢ ( 𝑖 ∈ ( 0 ... 𝑁 ) → 𝑖 ∈ ℤ ) | |
| 232 | 231 | ad2antlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) → 𝑖 ∈ ℤ ) |
| 233 | 68 | ad3antlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) → 𝑗 ∈ ℤ ) |
| 234 | simpr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) | |
| 235 | 73 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) |
| 236 | 53 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → 𝑗 ∈ ( 0 ... 𝑁 ) ) |
| 237 | simplr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → 𝑖 ∈ ( 0 ... 𝑁 ) ) | |
| 238 | isorel | ⊢ ( ( 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ∧ ( 𝑗 ∈ ( 0 ... 𝑁 ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ) → ( 𝑗 < 𝑖 ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) ) | |
| 239 | 235 236 237 238 | syl12anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → ( 𝑗 < 𝑖 ↔ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) ) |
| 240 | 234 239 | mpbird | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) → 𝑗 < 𝑖 ) |
| 241 | 240 | adantrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) → 𝑗 < 𝑖 ) |
| 242 | simpr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) | |
| 243 | 73 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ) |
| 244 | simplr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → 𝑖 ∈ ( 0 ... 𝑁 ) ) | |
| 245 | 65 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) |
| 246 | isorel | ⊢ ( ( 𝑆 Isom < , < ( ( 0 ... 𝑁 ) , ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) ∧ ( 𝑖 ∈ ( 0 ... 𝑁 ) ∧ ( 𝑗 + 1 ) ∈ ( 0 ... 𝑁 ) ) ) → ( 𝑖 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) | |
| 247 | 243 244 245 246 | syl12anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → ( 𝑖 < ( 𝑗 + 1 ) ↔ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 248 | 242 247 | mpbird | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → 𝑖 < ( 𝑗 + 1 ) ) |
| 249 | 248 | adantrl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) → 𝑖 < ( 𝑗 + 1 ) ) |
| 250 | btwnnz | ⊢ ( ( 𝑗 ∈ ℤ ∧ 𝑗 < 𝑖 ∧ 𝑖 < ( 𝑗 + 1 ) ) → ¬ 𝑖 ∈ ℤ ) | |
| 251 | 233 241 249 250 | syl3anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) → ¬ 𝑖 ∈ ℤ ) |
| 252 | 232 251 | pm2.65da | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) → ¬ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 253 | 229 230 252 | syl2anc | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) ∧ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ¬ ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 254 | 228 253 | pm2.65da | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ∧ 𝑖 ∈ ( 0 ... 𝑁 ) ) → ¬ ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 255 | 254 | nrexdv | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ¬ ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 256 | 255 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) → ¬ ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( 𝑆 ‘ 𝑖 ) = ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 257 | 220 256 | condan | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) |
| 258 | 62 | rexrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ* ) |
| 259 | 85 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝑇 ∈ ℝ ) |
| 260 | 62 259 | readdcld | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) |
| 261 | elioc2 | ⊢ ( ( ( 𝑆 ‘ 𝑗 ) ∈ ℝ* ∧ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ∈ ℝ ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ↔ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) ) | |
| 262 | 258 260 261 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ↔ ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ∧ ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∧ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) ) |
| 263 | 67 77 257 262 | mpbir3and | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ( ( 𝑆 ‘ 𝑗 ) (,] ( ( 𝑆 ‘ 𝑗 ) + 𝑇 ) ) ) |
| 264 | 57 60 61 2 10 62 63 263 | fourierdlem26 | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) = ( 𝐴 + ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 265 | 264 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − 𝐴 ) = ( ( 𝐴 + ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) − 𝐴 ) ) |
| 266 | 57 | recnd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐴 ∈ ℂ ) |
| 267 | 66 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℂ ) |
| 268 | 267 139 | subcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℂ ) |
| 269 | 268 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℂ ) |
| 270 | 266 269 | pncan2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐴 + ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) − 𝐴 ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 271 | 59 265 270 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 272 | 11 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐿 = ( 𝑦 ∈ ( 𝐴 (,] 𝐵 ) ↦ if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) ) ) |
| 273 | eqcom | ⊢ ( 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ↔ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝑦 ) | |
| 274 | 273 | biimpi | ⊢ ( 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝑦 ) |
| 275 | 274 | adantl | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝑦 ) |
| 276 | neqne | ⊢ ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≠ 𝐵 ) | |
| 277 | 276 | adantr | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≠ 𝐵 ) |
| 278 | 275 277 | eqnetrrd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 ≠ 𝐵 ) |
| 279 | 278 | neneqd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → ¬ 𝑦 = 𝐵 ) |
| 280 | 279 | iffalsed | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = 𝑦 ) |
| 281 | simpr | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) | |
| 282 | 280 281 | eqtrd | ⊢ ( ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 283 | 282 | adantll | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ 𝑦 = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) → if ( 𝑦 = 𝐵 , 𝐴 , 𝑦 ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 284 | 55 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ) |
| 285 | 272 283 284 284 | fvmptd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 286 | 285 | oveq2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 287 | id | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) | |
| 288 | oveq2 | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → ( 𝐵 − 𝑥 ) = ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) | |
| 289 | 288 | oveq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → ( ( 𝐵 − 𝑥 ) / 𝑇 ) = ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) |
| 290 | 289 | fveq2d | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ) |
| 291 | 290 | oveq1d | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) = ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 292 | 287 291 | oveq12d | ⊢ ( 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) → ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 293 | 292 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ 𝑥 = ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) → ( 𝑥 + ( ( ⌊ ‘ ( ( 𝐵 − 𝑥 ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 294 | 129 66 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ∈ ℝ ) |
| 295 | 294 102 | rerpdivcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ∈ ℝ ) |
| 296 | 295 | flcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℤ ) |
| 297 | 296 | zred | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℝ ) |
| 298 | 297 86 | remulcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ∈ ℝ ) |
| 299 | 66 298 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) ∈ ℝ ) |
| 300 | 121 293 66 299 | fvmptd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 301 | 300 136 | oveq12d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) ) |
| 302 | 301 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) ) |
| 303 | flle | ⊢ ( ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ∈ ℝ → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) | |
| 304 | 295 303 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) |
| 305 | 54 66 76 | ltled | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ≤ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 306 | 54 66 129 305 | lesub2dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ≤ ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) ) |
| 307 | 294 130 102 306 | lediv1dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 308 | 297 295 131 304 307 | letrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 309 | 308 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 310 | 297 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℝ ) |
| 311 | 1red | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → 1 ∈ ℝ ) | |
| 312 | 310 311 | readdcld | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ∈ ℝ ) |
| 313 | 131 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℝ ) |
| 314 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) | |
| 315 | 312 313 314 | nltled | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 316 | 315 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 317 | 80 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) |
| 318 | 89 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝐶 ∈ ℝ ) |
| 319 | 93 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝐷 ∈ ℝ ) |
| 320 | 136 135 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 321 | 129 320 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 322 | 54 321 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ∈ ℝ ) |
| 323 | 12 322 | eqeltrid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 ∈ ℝ ) |
| 324 | 323 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 ∈ ℝ ) |
| 325 | 20 | rexrd | ⊢ ( 𝜑 → 𝐴 ∈ ℝ* ) |
| 326 | 325 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐴 ∈ ℝ* ) |
| 327 | elioc2 | ⊢ ( ( 𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) ) | |
| 328 | 326 129 327 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ( 𝐴 (,] 𝐵 ) ↔ ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) ) |
| 329 | 55 328 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ∧ 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∧ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) |
| 330 | 329 | simp3d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) |
| 331 | 129 320 | subge0d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 0 ≤ ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ↔ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) ) |
| 332 | 330 331 | mpbird | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 0 ≤ ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 333 | 54 321 | addge01d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 0 ≤ ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ↔ ( 𝑆 ‘ 𝑗 ) ≤ ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) ) |
| 334 | 332 333 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑆 ‘ 𝑗 ) ≤ ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 335 | 89 54 322 97 334 | letrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 ≤ ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 336 | 335 12 | breqtrrdi | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐶 ≤ 𝑍 ) |
| 337 | 336 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝐶 ≤ 𝑍 ) |
| 338 | 66 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℝ ) |
| 339 | 295 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ∈ ℝ ) |
| 340 | reflcl | ⊢ ( ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ∈ ℝ → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℝ ) | |
| 341 | peano2re | ⊢ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℝ → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ∈ ℝ ) | |
| 342 | 339 340 341 | 3syl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ∈ ℝ ) |
| 343 | 129 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝐵 ∈ ℝ ) |
| 344 | 343 324 | resubcld | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝐵 − 𝑍 ) ∈ ℝ ) |
| 345 | 102 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑇 ∈ ℝ+ ) |
| 346 | 344 345 | rerpdivcld | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − 𝑍 ) / 𝑇 ) ∈ ℝ ) |
| 347 | flltp1 | ⊢ ( ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ∈ ℝ → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) | |
| 348 | 295 347 | syl | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) |
| 349 | 348 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) |
| 350 | 296 | peano2zd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ∈ ℤ ) |
| 351 | 350 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ∈ ℤ ) |
| 352 | 131 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℝ ) |
| 353 | simpr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) | |
| 354 | 321 102 | rerpdivcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ∈ ℝ ) |
| 355 | 354 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ∈ ℝ ) |
| 356 | 20 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐴 ∈ ℝ ) |
| 357 | 329 | simp2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐴 < ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 358 | 356 320 129 357 | ltsub2dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) < ( 𝐵 − 𝐴 ) ) |
| 359 | 358 2 | breqtrrdi | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) < 𝑇 ) |
| 360 | 321 86 102 359 | ltdiv1dd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) < ( 𝑇 / 𝑇 ) ) |
| 361 | 144 145 | dividd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑇 / 𝑇 ) = 1 ) |
| 362 | 360 361 | breqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) < 1 ) |
| 363 | 362 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) < 1 ) |
| 364 | 130 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) ∈ ℂ ) |
| 365 | 321 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℂ ) |
| 366 | 364 365 144 145 | divsubdird | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) − ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) / 𝑇 ) = ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) ) |
| 367 | 366 | eqcomd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) = ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) − ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) / 𝑇 ) ) |
| 368 | 129 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐵 ∈ ℂ ) |
| 369 | 320 | recnd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℂ ) |
| 370 | 368 139 369 | nnncan1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) − ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 371 | 370 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) − ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) / 𝑇 ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 372 | 367 371 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 373 | 372 148 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) ∈ ℤ ) |
| 374 | 373 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) ∈ ℤ ) |
| 375 | 351 352 353 355 363 374 | zltlesub | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) ) |
| 376 | 12 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝑍 = ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 377 | 376 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − 𝑍 ) = ( 𝐵 − ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) ) |
| 378 | 139 368 369 | addsub12d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( 𝐵 + ( ( 𝑆 ‘ 𝑗 ) − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 379 | 368 369 139 | subsub2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( 𝐵 + ( ( 𝑆 ‘ 𝑗 ) − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 380 | 378 379 | eqtr4d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( 𝐵 − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 381 | 380 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) = ( 𝐵 − ( 𝐵 − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 382 | 369 139 | subcld | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ∈ ℂ ) |
| 383 | 368 382 | nncand | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − ( 𝐵 − ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 384 | 377 381 383 | 3eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − 𝑍 ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 385 | 384 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − 𝑍 ) / 𝑇 ) = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) |
| 386 | 371 367 385 | 3eqtr4d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) = ( ( 𝐵 − 𝑍 ) / 𝑇 ) ) |
| 387 | 386 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) − ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) / 𝑇 ) ) = ( ( 𝐵 − 𝑍 ) / 𝑇 ) ) |
| 388 | 375 387 | breqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − 𝑍 ) / 𝑇 ) ) |
| 389 | 339 342 346 349 388 | ltletrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) < ( ( 𝐵 − 𝑍 ) / 𝑇 ) ) |
| 390 | 294 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ∈ ℝ ) |
| 391 | 390 344 345 | ltdiv1d | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) < ( 𝐵 − 𝑍 ) ↔ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) < ( ( 𝐵 − 𝑍 ) / 𝑇 ) ) ) |
| 392 | 389 391 | mpbird | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) < ( 𝐵 − 𝑍 ) ) |
| 393 | 324 338 343 | ltsub2d | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ↔ ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) < ( 𝐵 − 𝑍 ) ) ) |
| 394 | 392 393 | mpbird | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 395 | 115 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ≤ 𝐷 ) |
| 396 | 324 338 319 394 395 | ltletrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 < 𝐷 ) |
| 397 | 324 319 396 | ltled | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 ≤ 𝐷 ) |
| 398 | 318 319 324 337 397 | eliccd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 ∈ ( 𝐶 [,] 𝐷 ) ) |
| 399 | 33 | a1i | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝐵 − 𝐴 ) = 𝑇 ) |
| 400 | 399 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) = ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) ) |
| 401 | 382 144 145 | divcan1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · 𝑇 ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 402 | 400 401 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) = ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 403 | 376 402 | oveq12d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) = ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) + ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 404 | 139 365 | addcomd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝑆 ‘ 𝑗 ) ) ) |
| 405 | 404 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) + ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝑆 ‘ 𝑗 ) ) + ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 406 | 365 139 369 | ppncand | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝑆 ‘ 𝑗 ) ) + ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 407 | 368 369 | npcand | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) = 𝐵 ) |
| 408 | 406 407 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) + ( 𝑆 ‘ 𝑗 ) ) + ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) = 𝐵 ) |
| 409 | 403 405 408 | 3eqtrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) = 𝐵 ) |
| 410 | 200 | adantr | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → 𝐵 ∈ ran 𝑄 ) |
| 411 | 409 410 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 412 | oveq1 | ⊢ ( 𝑘 = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) → ( 𝑘 · ( 𝐵 − 𝐴 ) ) = ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) | |
| 413 | 412 | oveq2d | ⊢ ( 𝑘 = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) → ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) = ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) ) |
| 414 | 413 | eleq1d | ⊢ ( 𝑘 = ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) → ( ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 415 | 414 | rspcev | ⊢ ( ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℤ ∧ ( 𝑍 + ( ( ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) → ∃ 𝑘 ∈ ℤ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 416 | 148 411 415 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ∃ 𝑘 ∈ ℤ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 417 | 416 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ∃ 𝑘 ∈ ℤ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) |
| 418 | oveq1 | ⊢ ( 𝑦 = 𝑍 → ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) = ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ) | |
| 419 | 418 | eleq1d | ⊢ ( 𝑦 = 𝑍 → ( ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 420 | 419 | rexbidv | ⊢ ( 𝑦 = 𝑍 → ( ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ↔ ∃ 𝑘 ∈ ℤ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 421 | 420 | elrab | ⊢ ( 𝑍 ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ↔ ( 𝑍 ∈ ( 𝐶 [,] 𝐷 ) ∧ ∃ 𝑘 ∈ ℤ ( 𝑍 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 ) ) |
| 422 | 398 417 421 | sylanbrc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) |
| 423 | elun2 | ⊢ ( 𝑍 ∈ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } → 𝑍 ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) | |
| 424 | 422 423 | syl | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → 𝑍 ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) |
| 425 | foelrn | ⊢ ( ( 𝑆 : ( 0 ... 𝑁 ) –onto→ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ∧ 𝑍 ∈ ( { 𝐶 , 𝐷 } ∪ { 𝑦 ∈ ( 𝐶 [,] 𝐷 ) ∣ ∃ 𝑘 ∈ ℤ ( 𝑦 + ( 𝑘 · ( 𝐵 − 𝐴 ) ) ) ∈ ran 𝑄 } ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) 𝑍 = ( 𝑆 ‘ 𝑖 ) ) | |
| 426 | 317 424 425 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) 𝑍 = ( 𝑆 ‘ 𝑖 ) ) |
| 427 | 54 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) ∈ ℝ ) |
| 428 | 321 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ ) |
| 429 | 320 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ∈ ℝ ) |
| 430 | 21 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ∈ ℝ ) |
| 431 | 330 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ≤ 𝐵 ) |
| 432 | 276 | necomd | ⊢ ( ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 → 𝐵 ≠ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 433 | 432 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 𝐵 ≠ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) |
| 434 | 429 430 431 433 | leneltd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝐵 ) |
| 435 | 429 430 | posdifd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) < 𝐵 ↔ 0 < ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 436 | 434 435 | mpbid | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → 0 < ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) |
| 437 | 428 436 | elrpd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ∈ ℝ+ ) |
| 438 | 427 437 | ltaddrpd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) < ( ( 𝑆 ‘ 𝑗 ) + ( 𝐵 − ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) ) |
| 439 | 438 12 | breqtrrdi | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) < 𝑍 ) |
| 440 | 439 | ad2antrr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → ( 𝑆 ‘ 𝑗 ) < 𝑍 ) |
| 441 | simpr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → 𝑍 = ( 𝑆 ‘ 𝑖 ) ) | |
| 442 | 440 441 | breqtrd | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ) |
| 443 | 394 | adantr | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → 𝑍 < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 444 | 441 443 | eqbrtrrd | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) |
| 445 | 442 444 | jca | ⊢ ( ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ∧ 𝑍 = ( 𝑆 ‘ 𝑖 ) ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 446 | 445 | ex | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( 𝑍 = ( 𝑆 ‘ 𝑖 ) → ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) |
| 447 | 446 | reximdv | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ( ∃ 𝑖 ∈ ( 0 ... 𝑁 ) 𝑍 = ( 𝑆 ‘ 𝑖 ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) ) |
| 448 | 426 447 | mpd | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 449 | 316 448 | syldan | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 450 | 252 | nrexdv | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ¬ ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 451 | 450 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) ∧ ¬ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) → ¬ ∃ 𝑖 ∈ ( 0 ... 𝑁 ) ( ( 𝑆 ‘ 𝑗 ) < ( 𝑆 ‘ 𝑖 ) ∧ ( 𝑆 ‘ 𝑖 ) < ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) ) |
| 452 | 449 451 | condan | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) |
| 453 | 309 452 | jca | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∧ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) ) |
| 454 | 131 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℝ ) |
| 455 | 296 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℤ ) |
| 456 | flbi | ⊢ ( ( ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∈ ℝ ∧ ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ∈ ℤ ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ↔ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∧ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) ) ) | |
| 457 | 454 455 456 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ↔ ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ≤ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ∧ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) < ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) + 1 ) ) ) ) |
| 458 | 453 457 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) ) |
| 459 | 458 | eqcomd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) = ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) ) |
| 460 | 459 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) = ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) |
| 461 | 460 | oveq2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) |
| 462 | 461 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) = ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) ) |
| 463 | 267 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ ( 𝑗 + 1 ) ) ∈ ℂ ) |
| 464 | 139 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( 𝑆 ‘ 𝑗 ) ∈ ℂ ) |
| 465 | 140 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ∈ ℂ ) |
| 466 | 463 464 465 | pnpcan2d | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 467 | 462 466 | eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) / 𝑇 ) ) · 𝑇 ) ) − ( ( 𝑆 ‘ 𝑗 ) + ( ( ⌊ ‘ ( ( 𝐵 − ( 𝑆 ‘ 𝑗 ) ) / 𝑇 ) ) · 𝑇 ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 468 | 286 302 467 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) ∧ ¬ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) = 𝐵 ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |
| 469 | 271 468 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑗 ∈ ( 0 ..^ 𝑁 ) ) → ( ( 𝐸 ‘ ( 𝑆 ‘ ( 𝑗 + 1 ) ) ) − ( 𝐿 ‘ ( 𝐸 ‘ ( 𝑆 ‘ 𝑗 ) ) ) ) = ( ( 𝑆 ‘ ( 𝑗 + 1 ) ) − ( 𝑆 ‘ 𝑗 ) ) ) |