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Description: Given a piecewise smooth function F , the derived function H has a limit at the upper bound of each interval of the partition Q . (Contributed by Glauco Siliprandi, 11-Dec-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | fourierdlem74.xre | ⊢ ( 𝜑 → 𝑋 ∈ ℝ ) | |
| fourierdlem74.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = ( - π + 𝑋 ) ∧ ( 𝑝 ‘ 𝑚 ) = ( π + 𝑋 ) ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | ||
| fourierdlem74.f | ⊢ ( 𝜑 → 𝐹 : ℝ ⟶ ℝ ) | ||
| fourierdlem74.x | ⊢ ( 𝜑 → 𝑋 ∈ ran 𝑉 ) | ||
| fourierdlem74.y | ⊢ ( 𝜑 → 𝑌 ∈ ℝ ) | ||
| fourierdlem74.w | ⊢ ( 𝜑 → 𝑊 ∈ ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ) | ||
| fourierdlem74.h | ⊢ 𝐻 = ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) | ||
| fourierdlem74.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | ||
| fourierdlem74.v | ⊢ ( 𝜑 → 𝑉 ∈ ( 𝑃 ‘ 𝑀 ) ) | ||
| fourierdlem74.r | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑅 ∈ ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) | ||
| fourierdlem74.q | ⊢ 𝑄 = ( 𝑖 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) | ||
| fourierdlem74.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = - π ∧ ( 𝑝 ‘ 𝑚 ) = π ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | ||
| fourierdlem74.g | ⊢ 𝐺 = ( ℝ D 𝐹 ) | ||
| fourierdlem74.gcn | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⟶ ℝ ) | ||
| fourierdlem74.e | ⊢ ( 𝜑 → 𝐸 ∈ ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ) | ||
| fourierdlem74.a | ⊢ 𝐴 = if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 , 𝐸 , ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) | ||
| Assertion | fourierdlem74 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐴 ∈ ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fourierdlem74.xre | ⊢ ( 𝜑 → 𝑋 ∈ ℝ ) | |
| 2 | fourierdlem74.p | ⊢ 𝑃 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = ( - π + 𝑋 ) ∧ ( 𝑝 ‘ 𝑚 ) = ( π + 𝑋 ) ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 3 | fourierdlem74.f | ⊢ ( 𝜑 → 𝐹 : ℝ ⟶ ℝ ) | |
| 4 | fourierdlem74.x | ⊢ ( 𝜑 → 𝑋 ∈ ran 𝑉 ) | |
| 5 | fourierdlem74.y | ⊢ ( 𝜑 → 𝑌 ∈ ℝ ) | |
| 6 | fourierdlem74.w | ⊢ ( 𝜑 → 𝑊 ∈ ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ) | |
| 7 | fourierdlem74.h | ⊢ 𝐻 = ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) | |
| 8 | fourierdlem74.m | ⊢ ( 𝜑 → 𝑀 ∈ ℕ ) | |
| 9 | fourierdlem74.v | ⊢ ( 𝜑 → 𝑉 ∈ ( 𝑃 ‘ 𝑀 ) ) | |
| 10 | fourierdlem74.r | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑅 ∈ ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) | |
| 11 | fourierdlem74.q | ⊢ 𝑄 = ( 𝑖 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) | |
| 12 | fourierdlem74.o | ⊢ 𝑂 = ( 𝑚 ∈ ℕ ↦ { 𝑝 ∈ ( ℝ ↑m ( 0 ... 𝑚 ) ) ∣ ( ( ( 𝑝 ‘ 0 ) = - π ∧ ( 𝑝 ‘ 𝑚 ) = π ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑚 ) ( 𝑝 ‘ 𝑖 ) < ( 𝑝 ‘ ( 𝑖 + 1 ) ) ) } ) | |
| 13 | fourierdlem74.g | ⊢ 𝐺 = ( ℝ D 𝐹 ) | |
| 14 | fourierdlem74.gcn | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⟶ ℝ ) | |
| 15 | fourierdlem74.e | ⊢ ( 𝜑 → 𝐸 ∈ ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ) | |
| 16 | fourierdlem74.a | ⊢ 𝐴 = if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 , 𝐸 , ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) | |
| 17 | elfzofz | ⊢ ( 𝑖 ∈ ( 0 ..^ 𝑀 ) → 𝑖 ∈ ( 0 ... 𝑀 ) ) | |
| 18 | pire | ⊢ π ∈ ℝ | |
| 19 | 18 | renegcli | ⊢ - π ∈ ℝ |
| 20 | 19 | a1i | ⊢ ( 𝜑 → - π ∈ ℝ ) |
| 21 | 20 1 | readdcld | ⊢ ( 𝜑 → ( - π + 𝑋 ) ∈ ℝ ) |
| 22 | 18 | a1i | ⊢ ( 𝜑 → π ∈ ℝ ) |
| 23 | 22 1 | readdcld | ⊢ ( 𝜑 → ( π + 𝑋 ) ∈ ℝ ) |
| 24 | 21 23 | iccssred | ⊢ ( 𝜑 → ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ⊆ ℝ ) |
| 25 | 24 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ⊆ ℝ ) |
| 26 | 2 8 9 | fourierdlem15 | ⊢ ( 𝜑 → 𝑉 : ( 0 ... 𝑀 ) ⟶ ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ) |
| 27 | 26 | ffvelcdmda | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ) |
| 28 | 25 27 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ ) |
| 29 | 17 28 | sylan2 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ ) |
| 30 | 29 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ ) |
| 31 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝑋 ∈ ℝ ) |
| 32 | 2 | fourierdlem2 | ⊢ ( 𝑀 ∈ ℕ → ( 𝑉 ∈ ( 𝑃 ‘ 𝑀 ) ↔ ( 𝑉 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑉 ‘ 0 ) = ( - π + 𝑋 ) ∧ ( 𝑉 ‘ 𝑀 ) = ( π + 𝑋 ) ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 33 | 8 32 | syl | ⊢ ( 𝜑 → ( 𝑉 ∈ ( 𝑃 ‘ 𝑀 ) ↔ ( 𝑉 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑉 ‘ 0 ) = ( - π + 𝑋 ) ∧ ( 𝑉 ‘ 𝑀 ) = ( π + 𝑋 ) ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) ) ) |
| 34 | 9 33 | mpbid | ⊢ ( 𝜑 → ( 𝑉 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ∧ ( ( ( 𝑉 ‘ 0 ) = ( - π + 𝑋 ) ∧ ( 𝑉 ‘ 𝑀 ) = ( π + 𝑋 ) ) ∧ ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 35 | 34 | simprrd | ⊢ ( 𝜑 → ∀ 𝑖 ∈ ( 0 ..^ 𝑀 ) ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 36 | 35 | r19.21bi | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 37 | 36 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑉 ‘ 𝑖 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 38 | eqcom | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ↔ 𝑋 = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) | |
| 39 | 38 | biimpi | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → 𝑋 = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 40 | 39 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝑋 = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 41 | 37 40 | breqtrrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑉 ‘ 𝑖 ) < 𝑋 ) |
| 42 | ioossre | ⊢ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⊆ ℝ | |
| 43 | 42 | a1i | ⊢ ( 𝜑 → ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⊆ ℝ ) |
| 44 | 3 43 | fssresd | ⊢ ( 𝜑 → ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ ) |
| 45 | 44 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ ) |
| 46 | limcresi | ⊢ ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ⊆ ( ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) | |
| 47 | 46 6 | sselid | ⊢ ( 𝜑 → 𝑊 ∈ ( ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 48 | 47 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑊 ∈ ( ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 49 | mnfxr | ⊢ -∞ ∈ ℝ* | |
| 50 | 49 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → -∞ ∈ ℝ* ) |
| 51 | 29 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ* ) |
| 52 | 29 | mnfltd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → -∞ < ( 𝑉 ‘ 𝑖 ) ) |
| 53 | 50 51 52 | xrltled | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → -∞ ≤ ( 𝑉 ‘ 𝑖 ) ) |
| 54 | iooss1 | ⊢ ( ( -∞ ∈ ℝ* ∧ -∞ ≤ ( 𝑉 ‘ 𝑖 ) ) → ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⊆ ( -∞ (,) 𝑋 ) ) | |
| 55 | 50 53 54 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⊆ ( -∞ (,) 𝑋 ) ) |
| 56 | 55 | resabs1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 57 | 56 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) = ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 58 | 48 57 | eleqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑊 ∈ ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 59 | 58 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝑊 ∈ ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 60 | eqid | ⊢ ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) | |
| 61 | ax-resscn | ⊢ ℝ ⊆ ℂ | |
| 62 | 61 | a1i | ⊢ ( 𝜑 → ℝ ⊆ ℂ ) |
| 63 | 3 62 | fssd | ⊢ ( 𝜑 → 𝐹 : ℝ ⟶ ℂ ) |
| 64 | ssid | ⊢ ℝ ⊆ ℝ | |
| 65 | 64 | a1i | ⊢ ( 𝜑 → ℝ ⊆ ℝ ) |
| 66 | eqid | ⊢ ( TopOpen ‘ ℂfld ) = ( TopOpen ‘ ℂfld ) | |
| 67 | tgioo4 | ⊢ ( topGen ‘ ran (,) ) = ( ( TopOpen ‘ ℂfld ) ↾t ℝ ) | |
| 68 | 66 67 | dvres | ⊢ ( ( ( ℝ ⊆ ℂ ∧ 𝐹 : ℝ ⟶ ℂ ) ∧ ( ℝ ⊆ ℝ ∧ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⊆ ℝ ) ) → ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( ( ℝ D 𝐹 ) ↾ ( ( int ‘ ( topGen ‘ ran (,) ) ) ‘ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) ) |
| 69 | 62 63 65 43 68 | syl22anc | ⊢ ( 𝜑 → ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( ( ℝ D 𝐹 ) ↾ ( ( int ‘ ( topGen ‘ ran (,) ) ) ‘ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) ) |
| 70 | 13 | eqcomi | ⊢ ( ℝ D 𝐹 ) = 𝐺 |
| 71 | ioontr | ⊢ ( ( int ‘ ( topGen ‘ ran (,) ) ) ‘ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) | |
| 72 | 70 71 | reseq12i | ⊢ ( ( ℝ D 𝐹 ) ↾ ( ( int ‘ ( topGen ‘ ran (,) ) ) ‘ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) |
| 73 | 72 | a1i | ⊢ ( 𝜑 → ( ( ℝ D 𝐹 ) ↾ ( ( int ‘ ( topGen ‘ ran (,) ) ) ‘ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 74 | 69 73 | eqtrd | ⊢ ( 𝜑 → ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 75 | 74 | dmeqd | ⊢ ( 𝜑 → dom ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = dom ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 76 | 75 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → dom ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = dom ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 77 | 14 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⟶ ℝ ) |
| 78 | oveq2 | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) | |
| 79 | 78 | reseq2d | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 80 | 79 78 | feq12d | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⟶ ℝ ↔ ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ ) ) |
| 81 | 80 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⟶ ℝ ↔ ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ ) ) |
| 82 | 77 81 | mpbid | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ ) |
| 83 | fdm | ⊢ ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) : ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ⟶ ℝ → dom ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) | |
| 84 | 82 83 | syl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → dom ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) |
| 85 | 76 84 | eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → dom ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) = ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) |
| 86 | limcresi | ⊢ ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ⊆ ( ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) | |
| 87 | 55 | resabs1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) |
| 88 | 87 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) = ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 89 | 86 88 | sseqtrid | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ⊆ ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 90 | 15 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐸 ∈ ( ( 𝐺 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 91 | 89 90 | sseldd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐸 ∈ ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) ) |
| 92 | 69 73 | eqtr2d | ⊢ ( 𝜑 → ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) = ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) ) |
| 93 | 92 | oveq1d | ⊢ ( 𝜑 → ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) = ( ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) limℂ 𝑋 ) ) |
| 94 | 93 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝐺 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) limℂ 𝑋 ) = ( ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) limℂ 𝑋 ) ) |
| 95 | 91 94 | eleqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐸 ∈ ( ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) limℂ 𝑋 ) ) |
| 96 | 95 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐸 ∈ ( ( ℝ D ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ) limℂ 𝑋 ) ) |
| 97 | eqid | ⊢ ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) = ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) | |
| 98 | oveq2 | ⊢ ( 𝑥 = 𝑠 → ( 𝑋 + 𝑥 ) = ( 𝑋 + 𝑠 ) ) | |
| 99 | 98 | fveq2d | ⊢ ( 𝑥 = 𝑠 → ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑥 ) ) = ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) ) |
| 100 | 99 | oveq1d | ⊢ ( 𝑥 = 𝑠 → ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑥 ) ) − 𝑊 ) = ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) |
| 101 | 100 | cbvmptv | ⊢ ( 𝑥 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑥 ) ) − 𝑊 ) ) = ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) |
| 102 | id | ⊢ ( 𝑥 = 𝑠 → 𝑥 = 𝑠 ) | |
| 103 | 102 | cbvmptv | ⊢ ( 𝑥 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ 𝑥 ) = ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ 𝑠 ) |
| 104 | 30 31 41 45 59 60 85 96 97 101 103 | fourierdlem60 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐸 ∈ ( ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) limℂ 0 ) ) |
| 105 | iftrue | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 , 𝐸 , ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = 𝐸 ) | |
| 106 | 16 105 | eqtrid | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → 𝐴 = 𝐸 ) |
| 107 | 106 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐴 = 𝐸 ) |
| 108 | 7 | reseq1i | ⊢ ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 109 | 108 | a1i | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 110 | ioossicc | ⊢ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ( ( 𝑄 ‘ 𝑖 ) [,] ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) | |
| 111 | 19 | rexri | ⊢ - π ∈ ℝ* |
| 112 | 111 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → - π ∈ ℝ* ) |
| 113 | 18 | rexri | ⊢ π ∈ ℝ* |
| 114 | 113 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → π ∈ ℝ* ) |
| 115 | 19 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → - π ∈ ℝ ) |
| 116 | 18 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → π ∈ ℝ ) |
| 117 | 1 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → 𝑋 ∈ ℝ ) |
| 118 | 28 117 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ∈ ℝ ) |
| 119 | 20 | recnd | ⊢ ( 𝜑 → - π ∈ ℂ ) |
| 120 | 1 | recnd | ⊢ ( 𝜑 → 𝑋 ∈ ℂ ) |
| 121 | 119 120 | pncand | ⊢ ( 𝜑 → ( ( - π + 𝑋 ) − 𝑋 ) = - π ) |
| 122 | 121 | eqcomd | ⊢ ( 𝜑 → - π = ( ( - π + 𝑋 ) − 𝑋 ) ) |
| 123 | 122 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → - π = ( ( - π + 𝑋 ) − 𝑋 ) ) |
| 124 | 21 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( - π + 𝑋 ) ∈ ℝ ) |
| 125 | 23 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( π + 𝑋 ) ∈ ℝ ) |
| 126 | elicc2 | ⊢ ( ( ( - π + 𝑋 ) ∈ ℝ ∧ ( π + 𝑋 ) ∈ ℝ ) → ( ( 𝑉 ‘ 𝑖 ) ∈ ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ↔ ( ( 𝑉 ‘ 𝑖 ) ∈ ℝ ∧ ( - π + 𝑋 ) ≤ ( 𝑉 ‘ 𝑖 ) ∧ ( 𝑉 ‘ 𝑖 ) ≤ ( π + 𝑋 ) ) ) ) | |
| 127 | 124 125 126 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) ∈ ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) ↔ ( ( 𝑉 ‘ 𝑖 ) ∈ ℝ ∧ ( - π + 𝑋 ) ≤ ( 𝑉 ‘ 𝑖 ) ∧ ( 𝑉 ‘ 𝑖 ) ≤ ( π + 𝑋 ) ) ) ) |
| 128 | 27 127 | mpbid | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) ∈ ℝ ∧ ( - π + 𝑋 ) ≤ ( 𝑉 ‘ 𝑖 ) ∧ ( 𝑉 ‘ 𝑖 ) ≤ ( π + 𝑋 ) ) ) |
| 129 | 128 | simp2d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( - π + 𝑋 ) ≤ ( 𝑉 ‘ 𝑖 ) ) |
| 130 | 124 28 117 129 | lesub1dd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( - π + 𝑋 ) − 𝑋 ) ≤ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 131 | 123 130 | eqbrtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → - π ≤ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 132 | 128 | simp3d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ≤ ( π + 𝑋 ) ) |
| 133 | 28 125 117 132 | lesub1dd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ≤ ( ( π + 𝑋 ) − 𝑋 ) ) |
| 134 | 116 | recnd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → π ∈ ℂ ) |
| 135 | 120 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → 𝑋 ∈ ℂ ) |
| 136 | 134 135 | pncand | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( π + 𝑋 ) − 𝑋 ) = π ) |
| 137 | 133 136 | breqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ≤ π ) |
| 138 | 115 116 118 131 137 | eliccd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ∈ ( - π [,] π ) ) |
| 139 | 138 11 | fmptd | ⊢ ( 𝜑 → 𝑄 : ( 0 ... 𝑀 ) ⟶ ( - π [,] π ) ) |
| 140 | 139 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ( - π [,] π ) ) |
| 141 | simpr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑖 ∈ ( 0 ..^ 𝑀 ) ) | |
| 142 | 112 114 140 141 | fourierdlem8 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑄 ‘ 𝑖 ) [,] ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ( - π [,] π ) ) |
| 143 | 110 142 | sstrid | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ( - π [,] π ) ) |
| 144 | 143 | resmptd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ) |
| 145 | 144 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝑠 ∈ ( - π [,] π ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) ) |
| 146 | 17 | adantl | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑖 ∈ ( 0 ... 𝑀 ) ) |
| 147 | 17 118 | sylan2 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ∈ ℝ ) |
| 148 | 11 | fvmpt2 | ⊢ ( ( 𝑖 ∈ ( 0 ... 𝑀 ) ∧ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ∈ ℝ ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 149 | 146 147 148 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 150 | 149 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 151 | fveq2 | ⊢ ( 𝑖 = 𝑗 → ( 𝑉 ‘ 𝑖 ) = ( 𝑉 ‘ 𝑗 ) ) | |
| 152 | 151 | oveq1d | ⊢ ( 𝑖 = 𝑗 → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) = ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) ) |
| 153 | 152 | cbvmptv | ⊢ ( 𝑖 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) = ( 𝑗 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) ) |
| 154 | 11 153 | eqtri | ⊢ 𝑄 = ( 𝑗 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) ) |
| 155 | 154 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑄 = ( 𝑗 ∈ ( 0 ... 𝑀 ) ↦ ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) ) ) |
| 156 | fveq2 | ⊢ ( 𝑗 = ( 𝑖 + 1 ) → ( 𝑉 ‘ 𝑗 ) = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) | |
| 157 | 156 | oveq1d | ⊢ ( 𝑗 = ( 𝑖 + 1 ) → ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 158 | 157 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑗 = ( 𝑖 + 1 ) ) → ( ( 𝑉 ‘ 𝑗 ) − 𝑋 ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 159 | fzofzp1 | ⊢ ( 𝑖 ∈ ( 0 ..^ 𝑀 ) → ( 𝑖 + 1 ) ∈ ( 0 ... 𝑀 ) ) | |
| 160 | 159 | adantl | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑖 + 1 ) ∈ ( 0 ... 𝑀 ) ) |
| 161 | 34 | simpld | ⊢ ( 𝜑 → 𝑉 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) ) |
| 162 | elmapi | ⊢ ( 𝑉 ∈ ( ℝ ↑m ( 0 ... 𝑀 ) ) → 𝑉 : ( 0 ... 𝑀 ) ⟶ ℝ ) | |
| 163 | 161 162 | syl | ⊢ ( 𝜑 → 𝑉 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 164 | 163 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑉 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 165 | 164 160 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 166 | 1 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑋 ∈ ℝ ) |
| 167 | 165 166 | resubcld | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ∈ ℝ ) |
| 168 | 155 158 160 167 | fvmptd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 169 | 168 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 170 | oveq1 | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) = ( 𝑋 − 𝑋 ) ) | |
| 171 | 170 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) = ( 𝑋 − 𝑋 ) ) |
| 172 | 120 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝑋 ∈ ℂ ) |
| 173 | 172 | subidd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑋 − 𝑋 ) = 0 ) |
| 174 | 17 173 | sylanl2 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑋 − 𝑋 ) = 0 ) |
| 175 | 169 171 174 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = 0 ) |
| 176 | 150 175 | oveq12d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ) |
| 177 | simplr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ∧ 𝑠 = 0 ) → 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) | |
| 178 | 8 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 = 0 ) → 𝑀 ∈ ℕ ) |
| 179 | 20 22 1 2 12 8 9 11 | fourierdlem14 | ⊢ ( 𝜑 → 𝑄 ∈ ( 𝑂 ‘ 𝑀 ) ) |
| 180 | 179 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 = 0 ) → 𝑄 ∈ ( 𝑂 ‘ 𝑀 ) ) |
| 181 | simpr | ⊢ ( ( 𝜑 ∧ 𝑠 = 0 ) → 𝑠 = 0 ) | |
| 182 | ffn | ⊢ ( 𝑉 : ( 0 ... 𝑀 ) ⟶ ( ( - π + 𝑋 ) [,] ( π + 𝑋 ) ) → 𝑉 Fn ( 0 ... 𝑀 ) ) | |
| 183 | fvelrnb | ⊢ ( 𝑉 Fn ( 0 ... 𝑀 ) → ( 𝑋 ∈ ran 𝑉 ↔ ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑉 ‘ 𝑖 ) = 𝑋 ) ) | |
| 184 | 26 182 183 | 3syl | ⊢ ( 𝜑 → ( 𝑋 ∈ ran 𝑉 ↔ ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑉 ‘ 𝑖 ) = 𝑋 ) ) |
| 185 | 4 184 | mpbid | ⊢ ( 𝜑 → ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑉 ‘ 𝑖 ) = 𝑋 ) |
| 186 | simpr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → 𝑖 ∈ ( 0 ... 𝑀 ) ) | |
| 187 | 11 | fvmpt2 | ⊢ ( ( 𝑖 ∈ ( 0 ... 𝑀 ) ∧ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ∈ ( - π [,] π ) ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 188 | 186 138 187 | syl2anc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 189 | 188 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ 𝑖 ) = 𝑋 ) → ( 𝑄 ‘ 𝑖 ) = ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 190 | oveq1 | ⊢ ( ( 𝑉 ‘ 𝑖 ) = 𝑋 → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) = ( 𝑋 − 𝑋 ) ) | |
| 191 | 190 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ 𝑖 ) = 𝑋 ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) = ( 𝑋 − 𝑋 ) ) |
| 192 | 120 | subidd | ⊢ ( 𝜑 → ( 𝑋 − 𝑋 ) = 0 ) |
| 193 | 192 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ 𝑖 ) = 𝑋 ) → ( 𝑋 − 𝑋 ) = 0 ) |
| 194 | 189 191 193 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) ∧ ( 𝑉 ‘ 𝑖 ) = 𝑋 ) → ( 𝑄 ‘ 𝑖 ) = 0 ) |
| 195 | 194 | ex | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) = 𝑋 → ( 𝑄 ‘ 𝑖 ) = 0 ) ) |
| 196 | 195 | reximdva | ⊢ ( 𝜑 → ( ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑉 ‘ 𝑖 ) = 𝑋 → ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑄 ‘ 𝑖 ) = 0 ) ) |
| 197 | 185 196 | mpd | ⊢ ( 𝜑 → ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑄 ‘ 𝑖 ) = 0 ) |
| 198 | 118 11 | fmptd | ⊢ ( 𝜑 → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 199 | ffn | ⊢ ( 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ → 𝑄 Fn ( 0 ... 𝑀 ) ) | |
| 200 | fvelrnb | ⊢ ( 𝑄 Fn ( 0 ... 𝑀 ) → ( 0 ∈ ran 𝑄 ↔ ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑄 ‘ 𝑖 ) = 0 ) ) | |
| 201 | 198 199 200 | 3syl | ⊢ ( 𝜑 → ( 0 ∈ ran 𝑄 ↔ ∃ 𝑖 ∈ ( 0 ... 𝑀 ) ( 𝑄 ‘ 𝑖 ) = 0 ) ) |
| 202 | 197 201 | mpbird | ⊢ ( 𝜑 → 0 ∈ ran 𝑄 ) |
| 203 | 202 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 = 0 ) → 0 ∈ ran 𝑄 ) |
| 204 | 181 203 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑠 = 0 ) → 𝑠 ∈ ran 𝑄 ) |
| 205 | 12 178 180 204 | fourierdlem12 | ⊢ ( ( ( 𝜑 ∧ 𝑠 = 0 ) ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ¬ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 206 | 205 | an32s | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 = 0 ) → ¬ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 207 | 206 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ∧ 𝑠 = 0 ) → ¬ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 208 | 177 207 | pm2.65da | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 𝑠 = 0 ) |
| 209 | 208 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 𝑠 = 0 ) |
| 210 | 209 | iffalsed | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) = ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) |
| 211 | elioore | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) → 𝑠 ∈ ℝ ) | |
| 212 | 211 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℝ ) |
| 213 | 0red | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 ∈ ℝ ) | |
| 214 | elioo3g | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↔ ( ( ( 𝑄 ‘ 𝑖 ) ∈ ℝ* ∧ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℝ* ∧ 𝑠 ∈ ℝ* ) ∧ ( ( 𝑄 ‘ 𝑖 ) < 𝑠 ∧ 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) | |
| 215 | 214 | biimpi | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) → ( ( ( 𝑄 ‘ 𝑖 ) ∈ ℝ* ∧ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℝ* ∧ 𝑠 ∈ ℝ* ) ∧ ( ( 𝑄 ‘ 𝑖 ) < 𝑠 ∧ 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 216 | 215 | simprrd | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) → 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 217 | 216 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 218 | 175 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = 0 ) |
| 219 | 217 218 | breqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 < 0 ) |
| 220 | 212 213 219 | ltnsymd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 0 < 𝑠 ) |
| 221 | 220 | iffalsed | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) = 𝑊 ) |
| 222 | 221 | oveq2d | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) = ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) |
| 223 | 222 | oveq1d | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) = ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) |
| 224 | 51 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ* ) |
| 225 | 1 | rexrd | ⊢ ( 𝜑 → 𝑋 ∈ ℝ* ) |
| 226 | 225 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑋 ∈ ℝ* ) |
| 227 | 166 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑋 ∈ ℝ ) |
| 228 | 227 212 | readdcld | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) ∈ ℝ ) |
| 229 | 120 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑋 ∈ ℂ ) |
| 230 | iccssre | ⊢ ( ( - π ∈ ℝ ∧ π ∈ ℝ ) → ( - π [,] π ) ⊆ ℝ ) | |
| 231 | 19 18 230 | mp2an | ⊢ ( - π [,] π ) ⊆ ℝ |
| 232 | 231 61 | sstri | ⊢ ( - π [,] π ) ⊆ ℂ |
| 233 | 188 138 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ... 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ( - π [,] π ) ) |
| 234 | 17 233 | sylan2 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ( - π [,] π ) ) |
| 235 | 232 234 | sselid | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ℂ ) |
| 236 | 229 235 | addcomd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑋 + ( 𝑄 ‘ 𝑖 ) ) = ( ( 𝑄 ‘ 𝑖 ) + 𝑋 ) ) |
| 237 | 149 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑄 ‘ 𝑖 ) + 𝑋 ) = ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) + 𝑋 ) ) |
| 238 | 29 | recnd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℂ ) |
| 239 | 238 229 | npcand | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) + 𝑋 ) = ( 𝑉 ‘ 𝑖 ) ) |
| 240 | 236 237 239 | 3eqtrrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ 𝑖 ) = ( 𝑋 + ( 𝑄 ‘ 𝑖 ) ) ) |
| 241 | 240 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ 𝑖 ) = ( 𝑋 + ( 𝑄 ‘ 𝑖 ) ) ) |
| 242 | 149 147 | eqeltrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ℝ ) |
| 243 | 242 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ℝ ) |
| 244 | 211 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℝ ) |
| 245 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑋 ∈ ℝ ) |
| 246 | 215 | simprld | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑄 ‘ 𝑖 ) < 𝑠 ) |
| 247 | 246 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ 𝑖 ) < 𝑠 ) |
| 248 | 243 244 245 247 | ltadd2dd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + ( 𝑄 ‘ 𝑖 ) ) < ( 𝑋 + 𝑠 ) ) |
| 249 | 241 248 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ 𝑖 ) < ( 𝑋 + 𝑠 ) ) |
| 250 | 249 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ 𝑖 ) < ( 𝑋 + 𝑠 ) ) |
| 251 | ltaddneg | ⊢ ( ( 𝑠 ∈ ℝ ∧ 𝑋 ∈ ℝ ) → ( 𝑠 < 0 ↔ ( 𝑋 + 𝑠 ) < 𝑋 ) ) | |
| 252 | 212 227 251 | syl2anc | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑠 < 0 ↔ ( 𝑋 + 𝑠 ) < 𝑋 ) ) |
| 253 | 219 252 | mpbid | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) < 𝑋 ) |
| 254 | 224 226 228 250 253 | eliood | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) ∈ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) |
| 255 | fvres | ⊢ ( ( 𝑋 + 𝑠 ) ∈ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) → ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) = ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ) | |
| 256 | 255 | eqcomd | ⊢ ( ( 𝑋 + 𝑠 ) ∈ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) = ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) ) |
| 257 | 254 256 | syl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) = ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) ) |
| 258 | 257 | oveq1d | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) = ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) |
| 259 | 258 | oveq1d | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) = ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) |
| 260 | 210 223 259 | 3eqtrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) = ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) |
| 261 | 176 260 | mpteq12dva | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) = ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) ) |
| 262 | 109 145 261 | 3eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) ) |
| 263 | 262 175 | oveq12d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝑠 ∈ ( ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) (,) 0 ) ↦ ( ( ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) 𝑋 ) ) ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) / 𝑠 ) ) limℂ 0 ) ) |
| 264 | 104 107 263 | 3eltr4d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐴 ∈ ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 265 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) | |
| 266 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑠 ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑠 ) | |
| 267 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) | |
| 268 | 3 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝐹 : ℝ ⟶ ℝ ) |
| 269 | 1 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑋 ∈ ℝ ) |
| 270 | 211 | adantl | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℝ ) |
| 271 | 269 270 | readdcld | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) ∈ ℝ ) |
| 272 | 268 271 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ∈ ℝ ) |
| 273 | 272 | recnd | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ∈ ℂ ) |
| 274 | 273 | adantlr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ∈ ℂ ) |
| 275 | 274 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ∈ ℂ ) |
| 276 | 5 | recnd | ⊢ ( 𝜑 → 𝑌 ∈ ℂ ) |
| 277 | limccl | ⊢ ( ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) limℂ 𝑋 ) ⊆ ℂ | |
| 278 | 277 6 | sselid | ⊢ ( 𝜑 → 𝑊 ∈ ℂ ) |
| 279 | 276 278 | ifcld | ⊢ ( 𝜑 → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ∈ ℂ ) |
| 280 | 279 | adantr | ⊢ ( ( 𝜑 ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ∈ ℂ ) |
| 281 | 280 | 3ad2antl1 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ∈ ℂ ) |
| 282 | 275 281 | subcld | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ∈ ℂ ) |
| 283 | 211 | recnd | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) → 𝑠 ∈ ℂ ) |
| 284 | 283 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℂ ) |
| 285 | velsn | ⊢ ( 𝑠 ∈ { 0 } ↔ 𝑠 = 0 ) | |
| 286 | 208 285 | sylnibr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 𝑠 ∈ { 0 } ) |
| 287 | 286 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 𝑠 ∈ { 0 } ) |
| 288 | 284 287 | eldifd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ( ℂ ∖ { 0 } ) ) |
| 289 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ) | |
| 290 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑊 ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑊 ) | |
| 291 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) | |
| 292 | 278 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑊 ∈ ℂ ) |
| 293 | 3 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐹 : ℝ ⟶ ℝ ) |
| 294 | ioossre | ⊢ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℝ | |
| 295 | 294 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℝ ) |
| 296 | 51 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ* ) |
| 297 | 165 | rexrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ* ) |
| 298 | 297 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ* ) |
| 299 | 271 | adantlr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) ∈ ℝ ) |
| 300 | 198 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑄 : ( 0 ... 𝑀 ) ⟶ ℝ ) |
| 301 | 300 160 | ffvelcdmd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 302 | 301 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 303 | 216 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 304 | 244 302 245 303 | ltadd2dd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) < ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 305 | 168 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( 𝑋 + ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) ) |
| 306 | 165 | recnd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℂ ) |
| 307 | 229 306 | pncan3d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑋 + ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 308 | 305 307 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 309 | 308 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 310 | 304 309 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 311 | 296 298 299 249 310 | eliood | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑋 + 𝑠 ) ∈ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) |
| 312 | ioossre | ⊢ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℝ | |
| 313 | 312 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℝ ) |
| 314 | 244 303 | ltned | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ≠ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 315 | 308 | eqcomd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) = ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 316 | 315 | oveq2d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 317 | 10 316 | eleqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑅 ∈ ( ( 𝐹 ↾ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑋 + ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) ) |
| 318 | 301 | recnd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℂ ) |
| 319 | 293 166 295 289 311 313 314 317 318 | fourierdlem53 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑅 ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 320 | ioosscn | ⊢ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℂ | |
| 321 | 320 | a1i | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ⊆ ℂ ) |
| 322 | 278 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑊 ∈ ℂ ) |
| 323 | 290 321 322 318 | constlimc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑊 ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑊 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 324 | 289 290 291 274 292 319 323 | sublimc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑅 − 𝑊 ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 325 | 324 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑅 − 𝑊 ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 326 | iftrue | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 → if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) = 𝑊 ) | |
| 327 | 326 | oveq2d | ⊢ ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) = ( 𝑅 − 𝑊 ) ) |
| 328 | 327 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) = ( 𝑅 − 𝑊 ) ) |
| 329 | 211 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℝ ) |
| 330 | 0red | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 ∈ ℝ ) | |
| 331 | 301 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 332 | 216 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 < ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) |
| 333 | 168 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 334 | 165 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 335 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 ∈ ℝ ) |
| 336 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) | |
| 337 | 334 335 336 | ltled | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ≤ 𝑋 ) |
| 338 | 334 335 | suble0d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ≤ 0 ↔ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ≤ 𝑋 ) ) |
| 339 | 337 338 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ≤ 0 ) |
| 340 | 333 339 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ≤ 0 ) |
| 341 | 340 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ≤ 0 ) |
| 342 | 329 331 330 332 341 | ltletrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 < 0 ) |
| 343 | 329 330 342 | ltnsymd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 0 < 𝑠 ) |
| 344 | 343 | iffalsed | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) = 𝑊 ) |
| 345 | 344 | oveq2d | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) = ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) |
| 346 | 345 | mpteq2dva | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) ) |
| 347 | 346 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − 𝑊 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 348 | 325 328 347 | 3eltr4d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 349 | 348 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 350 | simpl1 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝜑 ) | |
| 351 | simpl2 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑖 ∈ ( 0 ..^ 𝑀 ) ) | |
| 352 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 ∈ ℝ ) |
| 353 | 352 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 ∈ ℝ ) |
| 354 | 165 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 355 | 354 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 356 | neqne | ⊢ ( ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ≠ 𝑋 ) | |
| 357 | 356 | necomd | ⊢ ( ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → 𝑋 ≠ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 358 | 357 | adantr | ⊢ ( ( ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 ≠ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 359 | 358 | 3ad2antl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 ≠ ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 360 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) | |
| 361 | 353 355 359 360 | lttri5d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) |
| 362 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) | |
| 363 | 274 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ∈ ℂ ) |
| 364 | 279 | ad3antrrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ∈ ℂ ) |
| 365 | 319 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 𝑅 ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 366 | eqid | ⊢ ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) | |
| 367 | 276 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑌 ∈ ℂ ) |
| 368 | 366 321 367 318 | constlimc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝑌 ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 369 | 368 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 𝑌 ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 370 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 𝑋 ∈ ℝ ) |
| 371 | 165 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ ) |
| 372 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) | |
| 373 | 370 371 372 | ltnsymd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) |
| 374 | 373 | iffalsed | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) = 𝑌 ) |
| 375 | 0red | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 ∈ ℝ ) | |
| 376 | 242 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ 𝑖 ) ∈ ℝ ) |
| 377 | 211 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℝ ) |
| 378 | 192 | eqcomd | ⊢ ( 𝜑 → 0 = ( 𝑋 − 𝑋 ) ) |
| 379 | 378 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 0 = ( 𝑋 − 𝑋 ) ) |
| 380 | 29 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ ) |
| 381 | 51 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ* ) |
| 382 | 297 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℝ* ) |
| 383 | 166 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → 𝑋 ∈ ℝ ) |
| 384 | simpr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) | |
| 385 | 29 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( 𝑉 ‘ 𝑖 ) ∈ ℝ ) |
| 386 | 1 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → 𝑋 ∈ ℝ ) |
| 387 | 385 386 | ltnled | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( ( 𝑉 ‘ 𝑖 ) < 𝑋 ↔ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) ) |
| 388 | 384 387 | mpbird | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( 𝑉 ‘ 𝑖 ) < 𝑋 ) |
| 389 | 388 | adantlr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ( 𝑉 ‘ 𝑖 ) < 𝑋 ) |
| 390 | simplr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) | |
| 391 | 381 382 383 389 390 | eliood | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → 𝑋 ∈ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) |
| 392 | 2 8 9 4 | fourierdlem12 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ¬ 𝑋 ∈ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) |
| 393 | 392 | ad2antrr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ ¬ 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) → ¬ 𝑋 ∈ ( ( 𝑉 ‘ 𝑖 ) (,) ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ) |
| 394 | 391 393 | condan | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 𝑋 ≤ ( 𝑉 ‘ 𝑖 ) ) |
| 395 | 370 380 370 394 | lesub1dd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑋 − 𝑋 ) ≤ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 396 | 379 395 | eqbrtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 0 ≤ ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) ) |
| 397 | 149 | eqcomd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) = ( 𝑄 ‘ 𝑖 ) ) |
| 398 | 397 | adantr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( ( 𝑉 ‘ 𝑖 ) − 𝑋 ) = ( 𝑄 ‘ 𝑖 ) ) |
| 399 | 396 398 | breqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → 0 ≤ ( 𝑄 ‘ 𝑖 ) ) |
| 400 | 399 | adantr | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 ≤ ( 𝑄 ‘ 𝑖 ) ) |
| 401 | 246 | adantl | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝑄 ‘ 𝑖 ) < 𝑠 ) |
| 402 | 375 376 377 400 401 | lelttrd | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 < 𝑠 ) |
| 403 | 402 | iftrued | ⊢ ( ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) = 𝑌 ) |
| 404 | 403 | mpteq2dva | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) ) |
| 405 | 404 | oveq1d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑌 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 406 | 369 374 405 | 3eltr4d | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 407 | 289 362 265 363 364 365 406 | sublimc | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑋 < ( 𝑉 ‘ ( 𝑖 + 1 ) ) ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 408 | 350 351 361 407 | syl21anc | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 409 | 349 408 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 410 | 321 266 318 | idlimc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑠 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 411 | 410 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ 𝑠 ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 412 | 168 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) = ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ) |
| 413 | 306 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ∈ ℂ ) |
| 414 | 229 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝑋 ∈ ℂ ) |
| 415 | 356 | 3ad2ant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑉 ‘ ( 𝑖 + 1 ) ) ≠ 𝑋 ) |
| 416 | 413 414 415 | subne0d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) − 𝑋 ) ≠ 0 ) |
| 417 | 412 416 | eqnetrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝑄 ‘ ( 𝑖 + 1 ) ) ≠ 0 ) |
| 418 | 208 | 3adantl3 | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ¬ 𝑠 = 0 ) |
| 419 | 418 | neqned | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ≠ 0 ) |
| 420 | 265 266 267 282 288 409 411 417 419 | divlimc | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ∈ ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 421 | iffalse | ⊢ ( ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 , 𝐸 , ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) | |
| 422 | 16 421 | eqtrid | ⊢ ( ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 → 𝐴 = ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 423 | 422 | 3ad2ant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐴 = ( ( 𝑅 − if ( ( 𝑉 ‘ ( 𝑖 + 1 ) ) < 𝑋 , 𝑊 , 𝑌 ) ) / ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 424 | ioossre | ⊢ ( -∞ (,) 𝑋 ) ⊆ ℝ | |
| 425 | 424 | a1i | ⊢ ( 𝜑 → ( -∞ (,) 𝑋 ) ⊆ ℝ ) |
| 426 | 3 425 | fssresd | ⊢ ( 𝜑 → ( 𝐹 ↾ ( -∞ (,) 𝑋 ) ) : ( -∞ (,) 𝑋 ) ⟶ ℝ ) |
| 427 | 424 62 | sstrid | ⊢ ( 𝜑 → ( -∞ (,) 𝑋 ) ⊆ ℂ ) |
| 428 | 49 | a1i | ⊢ ( 𝜑 → -∞ ∈ ℝ* ) |
| 429 | 1 | mnfltd | ⊢ ( 𝜑 → -∞ < 𝑋 ) |
| 430 | 66 428 1 429 | lptioo2cn | ⊢ ( 𝜑 → 𝑋 ∈ ( ( limPt ‘ ( TopOpen ‘ ℂfld ) ) ‘ ( -∞ (,) 𝑋 ) ) ) |
| 431 | 426 427 430 6 | limcrecl | ⊢ ( 𝜑 → 𝑊 ∈ ℝ ) |
| 432 | 3 1 5 431 7 | fourierdlem9 | ⊢ ( 𝜑 → 𝐻 : ( - π [,] π ) ⟶ ℝ ) |
| 433 | 432 | adantr | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐻 : ( - π [,] π ) ⟶ ℝ ) |
| 434 | 433 143 | feqresmpt | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐻 ‘ 𝑠 ) ) ) |
| 435 | 143 | sselda | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ( - π [,] π ) ) |
| 436 | 0cnd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 0 ∈ ℂ ) | |
| 437 | 279 | ad2antrr | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ∈ ℂ ) |
| 438 | 274 437 | subcld | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) ∈ ℂ ) |
| 439 | 283 | adantl | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ∈ ℂ ) |
| 440 | 208 | neqned | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → 𝑠 ≠ 0 ) |
| 441 | 438 439 440 | divcld | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ∈ ℂ ) |
| 442 | 436 441 | ifcld | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ∈ ℂ ) |
| 443 | 7 | fvmpt2 | ⊢ ( ( 𝑠 ∈ ( - π [,] π ) ∧ if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ∈ ℂ ) → ( 𝐻 ‘ 𝑠 ) = if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) |
| 444 | 435 442 443 | syl2anc | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐻 ‘ 𝑠 ) = if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) |
| 445 | 208 | iffalsed | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → if ( 𝑠 = 0 , 0 , ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) = ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) |
| 446 | 444 445 | eqtrd | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) → ( 𝐻 ‘ 𝑠 ) = ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) |
| 447 | 446 | mpteq2dva | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( 𝐻 ‘ 𝑠 ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) |
| 448 | 434 447 | eqtrd | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) |
| 449 | 448 | 3adant3 | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) = ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) ) |
| 450 | 449 | oveq1d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) = ( ( 𝑠 ∈ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ↦ ( ( ( 𝐹 ‘ ( 𝑋 + 𝑠 ) ) − if ( 0 < 𝑠 , 𝑌 , 𝑊 ) ) / 𝑠 ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 451 | 420 423 450 | 3eltr4d | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐴 ∈ ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 452 | 451 | 3expa | ⊢ ( ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) ∧ ¬ ( 𝑉 ‘ ( 𝑖 + 1 ) ) = 𝑋 ) → 𝐴 ∈ ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |
| 453 | 264 452 | pm2.61dan | ⊢ ( ( 𝜑 ∧ 𝑖 ∈ ( 0 ..^ 𝑀 ) ) → 𝐴 ∈ ( ( 𝐻 ↾ ( ( 𝑄 ‘ 𝑖 ) (,) ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) limℂ ( 𝑄 ‘ ( 𝑖 + 1 ) ) ) ) |