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Theorem fourierdlem101 47310
Description: Integral by substitution for a piecewise continuous function. (Contributed by Glauco Siliprandi, 11-Dec-2019.)
Hypotheses
Ref Expression
fourierdlem101.d 𝐷 = (𝑛 ∈ ℕ ↦ (𝑠 ∈ ℝ ↦ if((𝑠 mod (2 · π)) = 0, (((2 · 𝑛) + 1) / (2 · π)), ((sin‘((𝑛 + (1 / 2)) · 𝑠)) / ((2 · π) · (sin‘(𝑠 / 2)))))))
fourierdlem101.p 𝑃 = (𝑚 ∈ ℕ ↦ {𝑝 ∈ (ℝ ↑m (0...𝑚)) ∣ (((𝑝‘0) = -π ∧ (𝑝‘𝑚) = π) ∧ ∀𝑖 ∈ (0..^𝑚)(𝑝‘𝑖) < (𝑝‘(𝑖 + 1)))})
fourierdlem101.g 𝐺 = (𝑡 ∈ ( -π[,]π) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
fourierdlem101.q (𝜑 → 𝑄 ∈ (𝑃‘𝑀))
fourierdlem101.6 (𝜑 → 𝑀 ∈ ℕ)
fourierdlem101.n (𝜑 → 𝑁 ∈ ℕ)
fourierdlem101.x (𝜑 → 𝑋 ∈ ℝ)
fourierdlem101.f (𝜑 → 𝐹:( -π[,]π)⟶ℂ)
fourierdlem101.fcn ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
fourierdlem101.r ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝑅 ∈ ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘𝑖)))
fourierdlem101.l ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝐿 ∈ ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘(𝑖 + 1))))
Assertion
Ref Expression
fourierdlem101 (𝜑 → ∫( -π[,]π)((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) d𝑡 = ∫(( -π − 𝑋)[,](π − 𝑋))((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)) d𝑠)
Distinct variable groups:   𝐷,𝑠,𝑡   𝑡,𝐹   𝑖,𝐺,𝑠,𝑡   𝑡,𝐿   𝑖,𝑀,𝑠,𝑡   𝑚,𝑀,𝑝,𝑖   𝑛,𝑁,𝑠   𝑡,𝑁   𝑄,𝑖,𝑠,𝑡   𝑄,𝑝   𝑡,𝑅   𝑖,𝑋,𝑠,𝑡   𝜑,𝑖,𝑠,𝑡   𝜑,𝑛
Allowed substitution hints:   𝜑(𝑚, 𝑝)   𝐷(𝑖, 𝑚, 𝑛, 𝑝)   𝑃(𝑡, 𝑖, 𝑚, 𝑛, 𝑠, 𝑝)   𝑄(𝑚, 𝑛)   𝑅(𝑖, 𝑚, 𝑛, 𝑠, 𝑝)   𝐹(𝑖, 𝑚, 𝑛, 𝑠, 𝑝)   𝐺(𝑚, 𝑛, 𝑝)   𝐿(𝑖, 𝑚, 𝑛, 𝑠, 𝑝)   𝑀(𝑛)   𝑁(𝑖, 𝑚, 𝑝)   𝑋(𝑚, 𝑛, 𝑝)

Proof of Theorem fourierdlem101
Dummy variables 𝑟 𝑗 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 simpr 490 . . . . 5 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → 𝑡 ∈ ( -π[,]π))
2 fourierdlem101.f . . . . . . 7 (𝜑 → 𝐹:( -π[,]π)⟶ℂ)
32ffvelcdmda 7084 . . . . . 6 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → (𝐹‘𝑡) ∈ ℂ)
4 fourierdlem101.n . . . . . . . . 9 (𝜑 → 𝑁 ∈ ℕ)
54adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → 𝑁 ∈ ℕ)
6 pire 26788 . . . . . . . . . . . 12 π ∈ ℝ
76renegcli 11622 . . . . . . . . . . 11 -π ∈ ℝ
8 eliccre 46610 . . . . . . . . . . 11 (( -π ∈ ℝ ∧ π ∈ ℝ ∧ 𝑡 ∈ ( -π[,]π)) → 𝑡 ∈ ℝ)
97, 6, 8mp3an12 1480 . . . . . . . . . 10 (𝑡 ∈ ( -π[,]π) → 𝑡 ∈ ℝ)
109adantl 487 . . . . . . . . 9 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → 𝑡 ∈ ℝ)
11 fourierdlem101.x . . . . . . . . . 10 (𝜑 → 𝑋 ∈ ℝ)
1211adantr 486 . . . . . . . . 9 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → 𝑋 ∈ ℝ)
1310, 12resubcld 11747 . . . . . . . 8 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → (𝑡 − 𝑋) ∈ ℝ)
14 fourierdlem101.d . . . . . . . . 9 𝐷 = (𝑛 ∈ ℕ ↦ (𝑠 ∈ ℝ ↦ if((𝑠 mod (2 · π)) = 0, (((2 · 𝑛) + 1) / (2 · π)), ((sin‘((𝑛 + (1 / 2)) · 𝑠)) / ((2 · π) · (sin‘(𝑠 / 2)))))))
1514dirkerre 47198 . . . . . . . 8 ((𝑁 ∈ ℕ ∧ (𝑡 − 𝑋) ∈ ℝ) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
165, 13, 15syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
1716recnd 11340 . . . . . 6 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℂ)
183, 17mulcld 11332 . . . . 5 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ℂ)
19 fourierdlem101.g . . . . . 6 𝐺 = (𝑡 ∈ ( -π[,]π) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
2019fvmpt2 7005 . . . . 5 ((𝑡 ∈ ( -π[,]π) ∧ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ℂ) → (𝐺‘𝑡) = ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
211, 18, 20syl2anc 596 . . . 4 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → (𝐺‘𝑡) = ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
2221eqcomd 2766 . . 3 ((𝜑 ∧ 𝑡 ∈ ( -π[,]π)) → ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = (𝐺‘𝑡))
2322itgeq2dv 26107 . 2 (𝜑 → ∫( -π[,]π)((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) d𝑡 = ∫( -π[,]π)(𝐺‘𝑡) d𝑡)
24 fourierdlem101.p . . 3 𝑃 = (𝑚 ∈ ℕ ↦ {𝑝 ∈ (ℝ ↑m (0...𝑚)) ∣ (((𝑝‘0) = -π ∧ (𝑝‘𝑚) = π) ∧ ∀𝑖 ∈ (0..^𝑚)(𝑝‘𝑖) < (𝑝‘(𝑖 + 1)))})
25 fveq2 6885 . . . . 5 (𝑗 = 𝑖 → (𝑄‘𝑗) = (𝑄‘𝑖))
2625oveq1d 7435 . . . 4 (𝑗 = 𝑖 → ((𝑄‘𝑗) − 𝑋) = ((𝑄‘𝑖) − 𝑋))
2726cbvmptv 5208 . . 3 (𝑗 ∈ (0...𝑀) ↦ ((𝑄‘𝑗) − 𝑋)) = (𝑖 ∈ (0...𝑀) ↦ ((𝑄‘𝑖) − 𝑋))
28 fourierdlem101.6 . . 3 (𝜑 → 𝑀 ∈ ℕ)
29 fourierdlem101.q . . 3 (𝜑 → 𝑄 ∈ (𝑃‘𝑀))
3018, 19fmptd 7114 . . 3 (𝜑 → 𝐺:( -π[,]π)⟶ℂ)
3119reseq1i 5965 . . . . 5 (𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) = ((𝑡 ∈ ( -π[,]π) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
32 ioossicc 13567 . . . . . . 7 ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ((𝑄‘𝑖)[,](𝑄‘(𝑖 + 1)))
337a1i 11 . . . . . . . . . 10 (𝜑 → -π ∈ ℝ)
3433rexrd 11362 . . . . . . . . 9 (𝜑 → -π ∈ ℝ*)
3534adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → -π ∈ ℝ*)
366a1i 11 . . . . . . . . . 10 (𝜑 → π ∈ ℝ)
3736rexrd 11362 . . . . . . . . 9 (𝜑 → π ∈ ℝ*)
3837adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → π ∈ ℝ*)
3924, 28, 29fourierdlem15 47225 . . . . . . . . 9 (𝜑 → 𝑄:(0...𝑀)⟶( -π[,]π))
4039adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝑄:(0...𝑀)⟶( -π[,]π))
41 simpr 490 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝑖 ∈ (0..^𝑀))
4235, 38, 40, 41fourierdlem8 47218 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖)[,](𝑄‘(𝑖 + 1))) ⊆ ( -π[,]π))
4332, 42sstrid 3919 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ( -π[,]π))
4443resmptd 6031 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ ( -π[,]π) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))))
4531, 44eqtrid 2807 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))))
462adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝐹:( -π[,]π)⟶ℂ)
4746, 43feqresmpt 6954 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝐹‘𝑡)))
48 fourierdlem101.fcn . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
4947, 48eqeltrrd 2861 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝐹‘𝑡)) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
50 eqidd 2761 . . . . . . . . . 10 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) = (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)))
51 simpr 490 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)) → 𝑠 = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟))
52 eqidd 2761 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)))
53 oveq1 7427 . . . . . . . . . . . . . . 15 (𝑡 = 𝑟 → (𝑡 − 𝑋) = (𝑟 − 𝑋))
5453adantl 487 . . . . . . . . . . . . . 14 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑡 = 𝑟) → (𝑡 − 𝑋) = (𝑟 − 𝑋))
55 simpr 490 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
56 elioore 13509 . . . . . . . . . . . . . . . . 17 (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) → 𝑟 ∈ ℝ)
5756adantl 487 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑟 ∈ ℝ)
5811adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑋 ∈ ℝ)
5957, 58resubcld 11747 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑟 − 𝑋) ∈ ℝ)
6059adantlr 728 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑟 − 𝑋) ∈ ℝ)
6152, 54, 55, 60fvmptd 7001 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟) = (𝑟 − 𝑋))
6261adantr 486 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟) = (𝑟 − 𝑋))
6351, 62eqtrd 2795 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)) → 𝑠 = (𝑟 − 𝑋))
6463fveq2d 6889 . . . . . . . . . 10 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)) → ((𝐷‘𝑁)‘𝑠) = ((𝐷‘𝑁)‘(𝑟 − 𝑋)))
65 elioore 13509 . . . . . . . . . . . . . . 15 (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) → 𝑡 ∈ ℝ)
6665adantl 487 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑡 ∈ ℝ)
6711adantr 486 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑋 ∈ ℝ)
6866, 67resubcld 11747 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑡 − 𝑋) ∈ ℝ)
6968adantlr 728 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑡 − 𝑋) ∈ ℝ)
70 eqid 2760 . . . . . . . . . . . 12 (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))
7169, 70fmptd 7114 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℝ)
7271ffvelcdmda 7084 . . . . . . . . . 10 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟) ∈ ℝ)
734ad2antrr 739 . . . . . . . . . . 11 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑁 ∈ ℕ)
7414dirkerre 47198 . . . . . . . . . . 11 ((𝑁 ∈ ℕ ∧ (𝑟 − 𝑋) ∈ ℝ) → ((𝐷‘𝑁)‘(𝑟 − 𝑋)) ∈ ℝ)
7573, 60, 74syl2anc 596 . . . . . . . . . 10 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐷‘𝑁)‘(𝑟 − 𝑋)) ∈ ℝ)
7650, 64, 72, 75fvmptd 7001 . . . . . . . . 9 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))‘((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)) = ((𝐷‘𝑁)‘(𝑟 − 𝑋)))
7776eqcomd 2766 . . . . . . . 8 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐷‘𝑁)‘(𝑟 − 𝑋)) = ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))‘((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟)))
7877mpteq2dva 5197 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑟 − 𝑋))) = (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))‘((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟))))
7953fveq2d 6889 . . . . . . . . 9 (𝑡 = 𝑟 → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) = ((𝐷‘𝑁)‘(𝑟 − 𝑋)))
8079cbvmptv 5208 . . . . . . . 8 (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑟 − 𝑋)))
8180a1i 11 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑟 − 𝑋))))
8214dirkerre 47198 . . . . . . . . . . 11 ((𝑁 ∈ ℕ ∧ 𝑠 ∈ ℝ) → ((𝐷‘𝑁)‘𝑠) ∈ ℝ)
834, 82sylan 592 . . . . . . . . . 10 ((𝜑 ∧ 𝑠 ∈ ℝ) → ((𝐷‘𝑁)‘𝑠) ∈ ℝ)
84 eqid 2760 . . . . . . . . . 10 (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) = (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))
8583, 84fmptd 7114 . . . . . . . . 9 (𝜑 → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℝ)
8685adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℝ)
87 fcompt 7134 . . . . . . . 8 (((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℝ ∧ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℝ) → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∘ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))) = (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))‘((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟))))
8886, 71, 87syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∘ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))) = (𝑟 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠))‘((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))‘𝑟))))
8978, 81, 883eqtr4d 2805 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∘ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))))
90 eqid 2760 . . . . . . . 8 (𝑡 ∈ ℂ ↦ (𝑡 − 𝑋)) = (𝑡 ∈ ℂ ↦ (𝑡 − 𝑋))
91 simpr 490 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑡 ∈ ℂ) → 𝑡 ∈ ℂ)
9211recnd 11340 . . . . . . . . . . . . . 14 (𝜑 → 𝑋 ∈ ℂ)
9392adantr 486 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑡 ∈ ℂ) → 𝑋 ∈ ℂ)
9491, 93negsubd 11678 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑡 ∈ ℂ) → (𝑡 + -𝑋) = (𝑡 − 𝑋))
9594eqcomd 2766 . . . . . . . . . . 11 ((𝜑 ∧ 𝑡 ∈ ℂ) → (𝑡 − 𝑋) = (𝑡 + -𝑋))
9695mpteq2dva 5197 . . . . . . . . . 10 (𝜑 → (𝑡 ∈ ℂ ↦ (𝑡 − 𝑋)) = (𝑡 ∈ ℂ ↦ (𝑡 + -𝑋)))
9792negcld 11659 . . . . . . . . . . 11 (𝜑 → -𝑋 ∈ ℂ)
98 eqid 2760 . . . . . . . . . . . 12 (𝑡 ∈ ℂ ↦ (𝑡 + -𝑋)) = (𝑡 ∈ ℂ ↦ (𝑡 + -𝑋))
9998addccncf 25243 . . . . . . . . . . 11 ( -𝑋 ∈ ℂ → (𝑡 ∈ ℂ ↦ (𝑡 + -𝑋)) ∈ (ℂ–cn→ℂ))
10097, 99syl 18 . . . . . . . . . 10 (𝜑 → (𝑡 ∈ ℂ ↦ (𝑡 + -𝑋)) ∈ (ℂ–cn→ℂ))
10196, 100eqeltrd 2860 . . . . . . . . 9 (𝜑 → (𝑡 ∈ ℂ ↦ (𝑡 − 𝑋)) ∈ (ℂ–cn→ℂ))
102101adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ℂ ↦ (𝑡 − 𝑋)) ∈ (ℂ–cn→ℂ))
103 ioossre 13541 . . . . . . . . . 10 ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ℝ
104 ax-resscn 11260 . . . . . . . . . 10 ℝ ⊆ ℂ
105103, 104sstri 3917 . . . . . . . . 9 ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ℂ
106105a1i 11 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ℂ)
107104a1i 11 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ℝ ⊆ ℂ)
10890, 102, 106, 107, 69cncfmptssg 46974 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋)) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℝ))
10983recnd 11340 . . . . . . . . . 10 ((𝜑 ∧ 𝑠 ∈ ℝ) → ((𝐷‘𝑁)‘𝑠) ∈ ℂ)
110109, 84fmptd 7114 . . . . . . . . 9 (𝜑 → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℂ)
111 ssid 3930 . . . . . . . . . 10 ℂ ⊆ ℂ
11214dirkerf 47200 . . . . . . . . . . . . 13 (𝑁 ∈ ℕ → (𝐷‘𝑁):ℝ⟶ℝ)
1134, 112syl 18 . . . . . . . . . . . 12 (𝜑 → (𝐷‘𝑁):ℝ⟶ℝ)
114113feqmptd 6953 . . . . . . . . . . 11 (𝜑 → (𝐷‘𝑁) = (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)))
11514dirkercncf 47210 . . . . . . . . . . . 12 (𝑁 ∈ ℕ → (𝐷‘𝑁) ∈ (ℝ–cn→ℝ))
1164, 115syl 18 . . . . . . . . . . 11 (𝜑 → (𝐷‘𝑁) ∈ (ℝ–cn→ℝ))
117114, 116eqeltrrd 2861 . . . . . . . . . 10 (𝜑 → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℝ))
118 cncfcdm 25224 . . . . . . . . . 10 ((ℂ ⊆ ℂ ∧ (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℝ)) → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℂ) ↔ (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℂ))
119111, 117, 118sylancr 599 . . . . . . . . 9 (𝜑 → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℂ) ↔ (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)):ℝ⟶ℂ))
120110, 119mpbird 260 . . . . . . . 8 (𝜑 → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℂ))
121120adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∈ (ℝ–cn→ℂ))
122108, 121cncfco 25233 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑠 ∈ ℝ ↦ ((𝐷‘𝑁)‘𝑠)) ∘ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (𝑡 − 𝑋))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
12389, 122eqeltrd 2860 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
12449, 123mulcncf 25772 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
12545, 124eqeltrd 2860 . . 3 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ))
126 cncff 25219 . . . . . . . 8 ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))–cn→ℂ) → (𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℂ)
12748, 126syl 18 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℂ)
128113adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝐷‘𝑁):ℝ⟶ℝ)
129 elioore 13509 . . . . . . . . . . . . 13 (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) → 𝑠 ∈ ℝ)
130129adantl 487 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑠 ∈ ℝ)
13111adantr 486 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑋 ∈ ℝ)
132130, 131resubcld 11747 . . . . . . . . . . 11 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑠 − 𝑋) ∈ ℝ)
133128, 132ffvelcdmd 7085 . . . . . . . . . 10 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) ∈ ℝ)
134133recnd 11340 . . . . . . . . 9 ((𝜑 ∧ 𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) ∈ ℂ)
135 eqid 2760 . . . . . . . . 9 (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) = (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))
136134, 135fmptd 7114 . . . . . . . 8 (𝜑 → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℂ)
137136adantr 486 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))):((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))⟶ℂ)
138 eqid 2760 . . . . . . 7 (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)))
139 fourierdlem101.r . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝑅 ∈ ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘𝑖)))
140 oveq1 7427 . . . . . . . . . . . . . 14 (𝑡 = (𝑄‘𝑖) → (𝑡 − 𝑋) = ((𝑄‘𝑖) − 𝑋))
141140fveq2d 6889 . . . . . . . . . . . . 13 (𝑡 = (𝑄‘𝑖) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) = ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)))
142141eqcomd 2766 . . . . . . . . . . . 12 (𝑡 = (𝑄‘𝑖) → ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
143142adantl 487 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ 𝑡 = (𝑄‘𝑖)) → ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
144 eqidd 2761 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) = (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))))
145 oveq1 7427 . . . . . . . . . . . . . 14 (𝑠 = 𝑡 → (𝑠 − 𝑋) = (𝑡 − 𝑋))
146145fveq2d 6889 . . . . . . . . . . . . 13 (𝑠 = 𝑡 → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
147146adantl 487 . . . . . . . . . . . 12 (((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) ∧ 𝑠 = 𝑡) → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
148 velsn 4596 . . . . . . . . . . . . . . 15 (𝑡 ∈ {(𝑄‘𝑖)} ↔ 𝑡 = (𝑄‘𝑖))
149148notbii 323 . . . . . . . . . . . . . 14 (¬ 𝑡 ∈ {(𝑄‘𝑖)} ↔ ¬ 𝑡 = (𝑄‘𝑖))
150 elunnel2 4154 . . . . . . . . . . . . . 14 ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ∧ ¬ 𝑡 ∈ {(𝑄‘𝑖)}) → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
151149, 150sylan2br 607 . . . . . . . . . . . . 13 ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
152151adantll 727 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
153113ad2antrr 739 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝐷‘𝑁):ℝ⟶ℝ)
154 simpr 490 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 = (𝑄‘𝑖)) → 𝑡 = (𝑄‘𝑖))
1559ssriv 3912 . . . . . . . . . . . . . . . . . . . 20 ( -π[,]π) ⊆ ℝ
156 fzossfz 13816 . . . . . . . . . . . . . . . . . . . . . 22 (0..^𝑀) ⊆ (0...𝑀)
157156, 41sselid 3906 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝑖 ∈ (0...𝑀))
15840, 157ffvelcdmd 7085 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) ∈ ( -π[,]π))
159155, 158sselid 3906 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) ∈ ℝ)
160159adantr 486 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 = (𝑄‘𝑖)) → (𝑄‘𝑖) ∈ ℝ)
161154, 160eqeltrd 2860 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 = (𝑄‘𝑖)) → 𝑡 ∈ ℝ)
162161adantlr 728 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ 𝑡 = (𝑄‘𝑖)) → 𝑡 ∈ ℝ)
163152, 65syl 18 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → 𝑡 ∈ ℝ)
164162, 163pm2.61dan 825 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → 𝑡 ∈ ℝ)
16511ad2antrr 739 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → 𝑋 ∈ ℝ)
166164, 165resubcld 11747 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑡 − 𝑋) ∈ ℝ)
167153, 166ffvelcdmd 7085 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
168167adantr 486 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
169144, 147, 152, 168fvmptd 7001 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ ¬ 𝑡 = (𝑄‘𝑖)) → ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
170143, 169ifeqda 4518 . . . . . . . . . 10 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
171170mpteq2dva 5197 . . . . . . . . 9 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
172113adantr 486 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐷‘𝑁):ℝ⟶ℝ)
173 elun 4152 . . . . . . . . . . . . . . . . . . 19 (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↔ (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑠 ∈ {(𝑄‘𝑖)}))
174173bilani 510 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑠 ∈ {(𝑄‘𝑖)}))
175 elsni 4597 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑠 ∈ {(𝑄‘𝑖)} → 𝑠 = (𝑄‘𝑖))
176175adantl 487 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ {(𝑄‘𝑖)}) → 𝑠 = (𝑄‘𝑖))
177159adantr 486 . . . . . . . . . . . . . . . . . . . . . 22 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ {(𝑄‘𝑖)}) → (𝑄‘𝑖) ∈ ℝ)
178176, 177eqeltrd 2860 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ {(𝑄‘𝑖)}) → 𝑠 ∈ ℝ)
179178ex 418 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ {(𝑄‘𝑖)} → 𝑠 ∈ ℝ))
180179adantr 486 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑠 ∈ {(𝑄‘𝑖)} → 𝑠 ∈ ℝ))
181 pm3.44 974 . . . . . . . . . . . . . . . . . . 19 (((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) → 𝑠 ∈ ℝ) ∧ (𝑠 ∈ {(𝑄‘𝑖)} → 𝑠 ∈ ℝ)) → ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑠 ∈ {(𝑄‘𝑖)}) → 𝑠 ∈ ℝ))
182129, 180, 181sylancr 599 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑠 ∈ {(𝑄‘𝑖)}) → 𝑠 ∈ ℝ))
183174, 182mpd 16 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → 𝑠 ∈ ℝ)
18411ad2antrr 739 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → 𝑋 ∈ ℝ)
185183, 184resubcld 11747 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑠 − 𝑋) ∈ ℝ)
186 eqid 2760 . . . . . . . . . . . . . . . 16 (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)) = (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))
187185, 186fmptd 7114 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})⟶ℝ)
188 fcompt 7134 . . . . . . . . . . . . . . 15 (((𝐷‘𝑁):ℝ⟶ℝ ∧ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})⟶ℝ) → ((𝐷‘𝑁) ∘ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘((𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))‘𝑡))))
189172, 187, 188syl2anc 596 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝐷‘𝑁) ∘ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘((𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))‘𝑡))))
190 eqidd 2761 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)) = (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)))
191145adantl 487 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ 𝑠 = 𝑡) → (𝑠 − 𝑋) = (𝑡 − 𝑋))
192 simpr 490 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}))
193190, 191, 192, 166fvmptd 7001 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → ((𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))‘𝑡) = (𝑡 − 𝑋))
194193fveq2d 6889 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → ((𝐷‘𝑁)‘((𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
195194mpteq2dva 5197 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘((𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))‘𝑡))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
196189, 195eqtr2d 2796 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝐷‘𝑁) ∘ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))))
197 eqid 2760 . . . . . . . . . . . . . . . 16 (𝑠 ∈ ℂ ↦ (𝑠 − 𝑋)) = (𝑠 ∈ ℂ ↦ (𝑠 − 𝑋))
198 simpr 490 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ 𝑠 ∈ ℂ) → 𝑠 ∈ ℂ)
19992adantr 486 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑 ∧ 𝑠 ∈ ℂ) → 𝑋 ∈ ℂ)
200198, 199negsubd 11678 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ 𝑠 ∈ ℂ) → (𝑠 + -𝑋) = (𝑠 − 𝑋))
201200eqcomd 2766 . . . . . . . . . . . . . . . . . . 19 ((𝜑 ∧ 𝑠 ∈ ℂ) → (𝑠 − 𝑋) = (𝑠 + -𝑋))
202201mpteq2dva 5197 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝑠 ∈ ℂ ↦ (𝑠 − 𝑋)) = (𝑠 ∈ ℂ ↦ (𝑠 + -𝑋)))
203 eqid 2760 . . . . . . . . . . . . . . . . . . . 20 (𝑠 ∈ ℂ ↦ (𝑠 + -𝑋)) = (𝑠 ∈ ℂ ↦ (𝑠 + -𝑋))
204203addccncf 25243 . . . . . . . . . . . . . . . . . . 19 ( -𝑋 ∈ ℂ → (𝑠 ∈ ℂ ↦ (𝑠 + -𝑋)) ∈ (ℂ–cn→ℂ))
20597, 204syl 18 . . . . . . . . . . . . . . . . . 18 (𝜑 → (𝑠 ∈ ℂ ↦ (𝑠 + -𝑋)) ∈ (ℂ–cn→ℂ))
206202, 205eqeltrd 2860 . . . . . . . . . . . . . . . . 17 (𝜑 → (𝑠 ∈ ℂ ↦ (𝑠 − 𝑋)) ∈ (ℂ–cn→ℂ))
207206adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ ℂ ↦ (𝑠 − 𝑋)) ∈ (ℂ–cn→ℂ))
208159recnd 11340 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) ∈ ℂ)
209208snssd 4743 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → {(𝑄‘𝑖)} ⊆ ℂ)
210106, 209unssd 4190 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ⊆ ℂ)
211197, 207, 210, 107, 185cncfmptssg 46974 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋)) ∈ ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})–cn→ℝ))
212114, 120eqeltrd 2860 . . . . . . . . . . . . . . . 16 (𝜑 → (𝐷‘𝑁) ∈ (ℝ–cn→ℂ))
213212adantr 486 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐷‘𝑁) ∈ (ℝ–cn→ℂ))
214211, 213cncfco 25233 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝐷‘𝑁) ∘ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))) ∈ ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})–cn→ℂ))
215 eqid 2760 . . . . . . . . . . . . . . . 16 (TopOpen‘ℂfld) = (TopOpen‘ℂfld)
216 eqid 2760 . . . . . . . . . . . . . . . 16 ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) = ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}))
217215cnfldtop 25107 . . . . . . . . . . . . . . . . . 18 (TopOpen‘ℂfld) ∈ Top
218 unicntop 25109 . . . . . . . . . . . . . . . . . . 19 ℂ = ∪ (TopOpen‘ℂfld)
219218restid 17609 . . . . . . . . . . . . . . . . . 18 ((TopOpen‘ℂfld) ∈ Top → ((TopOpen‘ℂfld) ↾t ℂ) = (TopOpen‘ℂfld))
220217, 219ax-mp 5 . . . . . . . . . . . . . . . . 17 ((TopOpen‘ℂfld) ↾t ℂ) = (TopOpen‘ℂfld)
221220eqcomi 2769 . . . . . . . . . . . . . . . 16 (TopOpen‘ℂfld) = ((TopOpen‘ℂfld) ↾t ℂ)
222215, 216, 221cncfcn 25236 . . . . . . . . . . . . . . 15 (((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ⊆ ℂ ∧ ℂ ⊆ ℂ) → ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})–cn→ℂ) = (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)))
223210, 111, 222sylancl 598 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})–cn→ℂ) = (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)))
224214, 223eleqtrd 2862 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝐷‘𝑁) ∘ (𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ (𝑠 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)))
225196, 224eqeltrd 2860 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)))
226215cnfldtopon 25106 . . . . . . . . . . . . . 14 (TopOpen‘ℂfld) ∈ (TopOn‘ℂ)
227 resttopon 23484 . . . . . . . . . . . . . 14 (((TopOpen‘ℂfld) ∈ (TopOn‘ℂ) ∧ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ⊆ ℂ) → ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})))
228226, 210, 227sylancr 599 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})))
229 cncnp 23603 . . . . . . . . . . . . 13 ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) ∧ (TopOpen‘ℂfld) ∈ (TopOn‘ℂ)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)) ↔ ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠))))
230228, 226, 229sylancl 598 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) Cn (TopOpen‘ℂfld)) ↔ ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠))))
231225, 230mpbid 235 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠)))
232231simprd 501 . . . . . . . . . 10 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠))
233 eqidd 2761 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) = (𝑄‘𝑖))
234 elsng 4594 . . . . . . . . . . . . . 14 ((𝑄‘𝑖) ∈ ℝ → ((𝑄‘𝑖) ∈ {(𝑄‘𝑖)} ↔ (𝑄‘𝑖) = (𝑄‘𝑖)))
235159, 234syl 18 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖) ∈ {(𝑄‘𝑖)} ↔ (𝑄‘𝑖) = (𝑄‘𝑖)))
236233, 235mpbird 260 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) ∈ {(𝑄‘𝑖)})
237236olcd 888 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖) ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ (𝑄‘𝑖) ∈ {(𝑄‘𝑖)}))
238 elun 4152 . . . . . . . . . . 11 ((𝑄‘𝑖) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↔ ((𝑄‘𝑖) ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ (𝑄‘𝑖) ∈ {(𝑄‘𝑖)}))
239237, 238sylibr 237 . . . . . . . . . 10 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘𝑖) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}))
240 fveq2 6885 . . . . . . . . . . . 12 (𝑠 = (𝑄‘𝑖) → ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠) = ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖)))
241240eleq2d 2846 . . . . . . . . . . 11 (𝑠 = (𝑄‘𝑖) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠) ↔ (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖))))
242241rspccva 3575 . . . . . . . . . 10 ((∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘𝑠) ∧ (𝑄‘𝑖) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖)))
243232, 239, 242syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖)))
244171, 243eqeltrd 2860 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖)))
245 eqid 2760 . . . . . . . . 9 (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)))
246216, 215, 245, 137, 106, 208ellimc 26198 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)) ∈ ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) limℂ (𝑄‘𝑖)) ↔ (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)}) ↦ if(𝑡 = (𝑄‘𝑖), ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘𝑖)})) CnP (TopOpen‘ℂfld))‘(𝑄‘𝑖))))
247244, 246mpbird 260 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋)) ∈ ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) limℂ (𝑄‘𝑖)))
248127, 137, 138, 139, 247mullimcf 46728 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑅 · ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋))) ∈ ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘𝑖)))
249 fvres 6904 . . . . . . . . . 10 (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) → ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) = (𝐹‘𝑡))
250249adantl 487 . . . . . . . . 9 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) = (𝐹‘𝑡))
251250oveq1d 7435 . . . . . . . 8 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)))
252251mpteq2dva 5197 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))))
253252oveq1d 7435 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘𝑖)) = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘𝑖)))
254248, 253eleqtrd 2862 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑅 · ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋))) ∈ ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘𝑖)))
255 eqidd 2761 . . . . . . . . 9 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) = (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))))
256 simpr 490 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = 𝑡) → 𝑠 = 𝑡)
257256oveq1d 7435 . . . . . . . . . 10 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = 𝑡) → (𝑠 − 𝑋) = (𝑡 − 𝑋))
258257fveq2d 6889 . . . . . . . . 9 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) ∧ 𝑠 = 𝑡) → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
259 simpr 490 . . . . . . . . 9 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
260113ad2antrr 739 . . . . . . . . . 10 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (𝐷‘𝑁):ℝ⟶ℝ)
261260, 69ffvelcdmd 7085 . . . . . . . . 9 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
262255, 258, 259, 261fvmptd 7001 . . . . . . . 8 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
263262oveq2d 7436 . . . . . . 7 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
264263mpteq2dva 5197 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))))
265264oveq1d 7435 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘𝑖)) = ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) limℂ (𝑄‘𝑖)))
266254, 265eleqtrd 2862 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑅 · ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋))) ∈ ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) limℂ (𝑄‘𝑖)))
26745eqcomd 2766 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) = (𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))))
268267oveq1d 7435 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))) limℂ (𝑄‘𝑖)) = ((𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘𝑖)))
269266, 268eleqtrd 2862 . . 3 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑅 · ((𝐷‘𝑁)‘((𝑄‘𝑖) − 𝑋))) ∈ ((𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘𝑖)))
270 fourierdlem101.l . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → 𝐿 ∈ ((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘(𝑖 + 1))))
271 iftrue 4487 . . . . . . . . . . 11 (𝑡 = (𝑄‘(𝑖 + 1)) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)))
272 oveq1 7427 . . . . . . . . . . . . 13 (𝑡 = (𝑄‘(𝑖 + 1)) → (𝑡 − 𝑋) = ((𝑄‘(𝑖 + 1)) − 𝑋))
273272eqcomd 2766 . . . . . . . . . . . 12 (𝑡 = (𝑄‘(𝑖 + 1)) → ((𝑄‘(𝑖 + 1)) − 𝑋) = (𝑡 − 𝑋))
274273fveq2d 6889 . . . . . . . . . . 11 (𝑡 = (𝑄‘(𝑖 + 1)) → ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
275271, 274eqtrd 2795 . . . . . . . . . 10 (𝑡 = (𝑄‘(𝑖 + 1)) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
276275adantl 487 . . . . . . . . 9 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ 𝑡 = (𝑄‘(𝑖 + 1))) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
277 iffalse 4490 . . . . . . . . . . 11 (¬ 𝑡 = (𝑄‘(𝑖 + 1)) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))
278277adantl 487 . . . . . . . . . 10 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))
279 eqidd 2761 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) = (𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))))
280146adantl 487 . . . . . . . . . . 11 (((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) ∧ 𝑠 = 𝑡) → ((𝐷‘𝑁)‘(𝑠 − 𝑋)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
281 elun 4152 . . . . . . . . . . . . . . 15 (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↔ (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑡 ∈ {(𝑄‘(𝑖 + 1))}))
282281biimpi 219 . . . . . . . . . . . . . 14 (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ 𝑡 ∈ {(𝑄‘(𝑖 + 1))}))
283282orcomd 885 . . . . . . . . . . . . 13 (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) → (𝑡 ∈ {(𝑄‘(𝑖 + 1))} ∨ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))))
284283ad2antlr 740 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → (𝑡 ∈ {(𝑄‘(𝑖 + 1))} ∨ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))))
285 velsn 4596 . . . . . . . . . . . . . 14 (𝑡 ∈ {(𝑄‘(𝑖 + 1))} ↔ 𝑡 = (𝑄‘(𝑖 + 1)))
286285notbii 323 . . . . . . . . . . . . 13 (¬ 𝑡 ∈ {(𝑄‘(𝑖 + 1))} ↔ ¬ 𝑡 = (𝑄‘(𝑖 + 1)))
287286bilanri 512 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → ¬ 𝑡 ∈ {(𝑄‘(𝑖 + 1))})
288 pm2.53 865 . . . . . . . . . . . 12 ((𝑡 ∈ {(𝑄‘(𝑖 + 1))} ∨ 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) → (¬ 𝑡 ∈ {(𝑄‘(𝑖 + 1))} → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))))
289284, 287, 288sylc 66 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → 𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))
290172ad2antrr 739 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → (𝐷‘𝑁):ℝ⟶ℝ)
291289, 65syl 18 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → 𝑡 ∈ ℝ)
29211ad3antrrr 743 . . . . . . . . . . . . 13 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → 𝑋 ∈ ℝ)
293291, 292resubcld 11747 . . . . . . . . . . . 12 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → (𝑡 − 𝑋) ∈ ℝ)
294290, 293ffvelcdmd 7085 . . . . . . . . . . 11 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
295279, 280, 289, 294fvmptd 7001 . . . . . . . . . 10 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
296278, 295eqtrd 2795 . . . . . . . . 9 ((((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ ¬ 𝑡 = (𝑄‘(𝑖 + 1))) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
297276, 296pm2.61dan 825 . . . . . . . 8 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)) = ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
298297mpteq2dva 5197 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
299 eqid 2760 . . . . . . . . . . . 12 (𝑡 ∈ ℝ ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = (𝑡 ∈ ℝ ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋)))
300104a1i 11 . . . . . . . . . . . . . . 15 (𝜑 → ℝ ⊆ ℂ)
301 simpr 490 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑡 ∈ ℝ) → 𝑡 ∈ ℝ)
30211adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑡 ∈ ℝ) → 𝑋 ∈ ℝ)
303301, 302resubcld 11747 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑡 ∈ ℝ) → (𝑡 − 𝑋) ∈ ℝ)
30490, 101, 300, 300, 303cncfmptssg 46974 . . . . . . . . . . . . . 14 (𝜑 → (𝑡 ∈ ℝ ↦ (𝑡 − 𝑋)) ∈ (ℝ–cn→ℝ))
305304, 212cncfcompt 46986 . . . . . . . . . . . . 13 (𝜑 → (𝑡 ∈ ℝ ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (ℝ–cn→ℂ))
306305adantr 486 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ℝ ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (ℝ–cn→ℂ))
307103a1i 11 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ⊆ ℝ)
308 fzofzp1 13902 . . . . . . . . . . . . . . . . 17 (𝑖 ∈ (0..^𝑀) → (𝑖 + 1) ∈ (0...𝑀))
309308adantl 487 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑖 + 1) ∈ (0...𝑀))
31040, 309ffvelcdmd 7085 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) ∈ ( -π[,]π))
311155, 310sselid 3906 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) ∈ ℝ)
312311snssd 4743 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → {(𝑄‘(𝑖 + 1))} ⊆ ℝ)
313307, 312unssd 4190 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ⊆ ℝ)
314111a1i 11 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ℂ ⊆ ℂ)
315172adantr 486 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → (𝐷‘𝑁):ℝ⟶ℝ)
316313sselda 3908 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → 𝑡 ∈ ℝ)
31711ad2antrr 739 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → 𝑋 ∈ ℝ)
318316, 317resubcld 11747 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → (𝑡 − 𝑋) ∈ ℝ)
319315, 318ffvelcdmd 7085 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℝ)
320319recnd 11340 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) ∧ 𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) ∈ ℂ)
321299, 306, 313, 314, 320cncfmptssg 46974 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})–cn→ℂ))
322155, 104sstri 3917 . . . . . . . . . . . . . . 15 ( -π[,]π) ⊆ ℂ
323322, 310sselid 3906 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) ∈ ℂ)
324323snssd 4743 . . . . . . . . . . . . 13 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → {(𝑄‘(𝑖 + 1))} ⊆ ℂ)
325106, 324unssd 4190 . . . . . . . . . . . 12 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ⊆ ℂ)
326 eqid 2760 . . . . . . . . . . . . 13 ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) = ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}))
327215, 326, 221cncfcn 25236 . . . . . . . . . . . 12 (((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ⊆ ℂ ∧ ℂ ⊆ ℂ) → ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})–cn→ℂ) = (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) Cn (TopOpen‘ℂfld)))
328325, 111, 327sylancl 598 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})–cn→ℂ) = (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) Cn (TopOpen‘ℂfld)))
329321, 328eleqtrd 2862 . . . . . . . . . 10 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) Cn (TopOpen‘ℂfld)))
330 resttopon 23484 . . . . . . . . . . . 12 (((TopOpen‘ℂfld) ∈ (TopOn‘ℂ) ∧ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ⊆ ℂ) → ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})))
331226, 325, 330sylancr 599 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})))
332 cncnp 23603 . . . . . . . . . . 11 ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∈ (TopOn‘(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) ∧ (TopOpen‘ℂfld) ∈ (TopOn‘ℂ)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) Cn (TopOpen‘ℂfld)) ↔ ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠))))
333331, 226, 332sylancl 598 . . . . . . . . . 10 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ (((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) Cn (TopOpen‘ℂfld)) ↔ ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠))))
334329, 333mpbid 235 . . . . . . . . 9 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))):(((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})⟶ℂ ∧ ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠)))
335334simprd 501 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠))
336 eqidd 2761 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) = (𝑄‘(𝑖 + 1)))
337 elsng 4594 . . . . . . . . . . . 12 ((𝑄‘(𝑖 + 1)) ∈ ℝ → ((𝑄‘(𝑖 + 1)) ∈ {(𝑄‘(𝑖 + 1))} ↔ (𝑄‘(𝑖 + 1)) = (𝑄‘(𝑖 + 1))))
338311, 337syl 18 . . . . . . . . . . 11 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘(𝑖 + 1)) ∈ {(𝑄‘(𝑖 + 1))} ↔ (𝑄‘(𝑖 + 1)) = (𝑄‘(𝑖 + 1))))
339336, 338mpbird 260 . . . . . . . . . 10 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) ∈ {(𝑄‘(𝑖 + 1))})
340339olcd 888 . . . . . . . . 9 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑄‘(𝑖 + 1)) ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ (𝑄‘(𝑖 + 1)) ∈ {(𝑄‘(𝑖 + 1))}))
341 elun 4152 . . . . . . . . 9 ((𝑄‘(𝑖 + 1)) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↔ ((𝑄‘(𝑖 + 1)) ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∨ (𝑄‘(𝑖 + 1)) ∈ {(𝑄‘(𝑖 + 1))}))
342340, 341sylibr 237 . . . . . . . 8 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑄‘(𝑖 + 1)) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}))
343 fveq2 6885 . . . . . . . . . 10 (𝑠 = (𝑄‘(𝑖 + 1)) → ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠) = ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1))))
344343eleq2d 2846 . . . . . . . . 9 (𝑠 = (𝑄‘(𝑖 + 1)) → ((𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠) ↔ (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1)))))
345344rspccva 3575 . . . . . . . 8 ((∀𝑠 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})(𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘𝑠) ∧ (𝑄‘(𝑖 + 1)) ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1))))
346335, 342, 345syl2anc 596 . . . . . . 7 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ ((𝐷‘𝑁)‘(𝑡 − 𝑋))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1))))
347298, 346eqeltrd 2860 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1))))
348 eqid 2760 . . . . . . 7 (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡)))
349326, 215, 348, 137, 106, 323ellimc 26198 . . . . . 6 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)) ∈ ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) limℂ (𝑄‘(𝑖 + 1))) ↔ (𝑡 ∈ (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))}) ↦ if(𝑡 = (𝑄‘(𝑖 + 1)), ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)), ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) ∈ ((((TopOpen‘ℂfld) ↾t (((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ∪ {(𝑄‘(𝑖 + 1))})) CnP (TopOpen‘ℂfld))‘(𝑄‘(𝑖 + 1)))))
350347, 349mpbird 260 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋)) ∈ ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋))) limℂ (𝑄‘(𝑖 + 1))))
351127, 137, 138, 270, 350mullimcf 46728 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐿 · ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋))) ∈ ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘(𝑖 + 1))))
352264, 252, 453eqtr4d 2805 . . . . 5 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) = (𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))))
353352oveq1d 7435 . . . 4 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → ((𝑡 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ (((𝐹 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))))‘𝑡) · ((𝑠 ∈ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1))) ↦ ((𝐷‘𝑁)‘(𝑠 − 𝑋)))‘𝑡))) limℂ (𝑄‘(𝑖 + 1))) = ((𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘(𝑖 + 1))))
354351, 353eleqtrd 2862 . . 3 ((𝜑 ∧ 𝑖 ∈ (0..^𝑀)) → (𝐿 · ((𝐷‘𝑁)‘((𝑄‘(𝑖 + 1)) − 𝑋))) ∈ ((𝐺 ↾ ((𝑄‘𝑖)(,)(𝑄‘(𝑖 + 1)))) limℂ (𝑄‘(𝑖 + 1))))
35524, 27, 28, 29, 11, 30, 125, 269, 354fourierdlem93 47302 . 2 (𝜑 → ∫( -π[,]π)(𝐺‘𝑡) d𝑡 = ∫(( -π − 𝑋)[,](π − 𝑋))(𝐺‘(𝑋 + 𝑠)) d𝑠)
35619a1i 11 . . . 4 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝐺 = (𝑡 ∈ ( -π[,]π) ↦ ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋)))))
357 fveq2 6885 . . . . . . 7 (𝑡 = (𝑋 + 𝑠) → (𝐹‘𝑡) = (𝐹‘(𝑋 + 𝑠)))
358357oveq1d 7435 . . . . . 6 (𝑡 = (𝑋 + 𝑠) → ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
359358adantl 487 . . . . 5 (((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) ∧ 𝑡 = (𝑋 + 𝑠)) → ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))))
360 oveq1 7427 . . . . . . . 8 (𝑡 = (𝑋 + 𝑠) → (𝑡 − 𝑋) = ((𝑋 + 𝑠) − 𝑋))
36192adantr 486 . . . . . . . . 9 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑋 ∈ ℂ)
36233, 11resubcld 11747 . . . . . . . . . . . 12 (𝜑 → ( -π − 𝑋) ∈ ℝ)
363362adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → ( -π − 𝑋) ∈ ℝ)
36436, 11resubcld 11747 . . . . . . . . . . . 12 (𝜑 → (π − 𝑋) ∈ ℝ)
365364adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (π − 𝑋) ∈ ℝ)
366 simpr 490 . . . . . . . . . . 11 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋)))
367 eliccre 46610 . . . . . . . . . . 11 ((( -π − 𝑋) ∈ ℝ ∧ (π − 𝑋) ∈ ℝ ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑠 ∈ ℝ)
368363, 365, 366, 367syl3anc 1398 . . . . . . . . . 10 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑠 ∈ ℝ)
369368recnd 11340 . . . . . . . . 9 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑠 ∈ ℂ)
370361, 369pncan2d 11674 . . . . . . . 8 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → ((𝑋 + 𝑠) − 𝑋) = 𝑠)
371360, 370sylan9eqr 2817 . . . . . . 7 (((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) ∧ 𝑡 = (𝑋 + 𝑠)) → (𝑡 − 𝑋) = 𝑠)
372371fveq2d 6889 . . . . . 6 (((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) ∧ 𝑡 = (𝑋 + 𝑠)) → ((𝐷‘𝑁)‘(𝑡 − 𝑋)) = ((𝐷‘𝑁)‘𝑠))
373372oveq2d 7436 . . . . 5 (((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) ∧ 𝑡 = (𝑋 + 𝑠)) → ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)))
374359, 373eqtrd 2795 . . . 4 (((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) ∧ 𝑡 = (𝑋 + 𝑠)) → ((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) = ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)))
3757a1i 11 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → -π ∈ ℝ)
3766a1i 11 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → π ∈ ℝ)
37711adantr 486 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑋 ∈ ℝ)
378377, 368readdcld 11341 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + 𝑠) ∈ ℝ)
37933recnd 11340 . . . . . . . . 9 (𝜑 → -π ∈ ℂ)
38092, 379pncan3d 11675 . . . . . . . 8 (𝜑 → (𝑋 + ( -π − 𝑋)) = -π)
381380eqcomd 2766 . . . . . . 7 (𝜑 → -π = (𝑋 + ( -π − 𝑋)))
382381adantr 486 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → -π = (𝑋 + ( -π − 𝑋)))
383 elicc2 13545 . . . . . . . . . 10 ((( -π − 𝑋) ∈ ℝ ∧ (π − 𝑋) ∈ ℝ) → (𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋)) ↔ (𝑠 ∈ ℝ ∧ ( -π − 𝑋) ≤ 𝑠 ∧ 𝑠 ≤ (π − 𝑋))))
384363, 365, 383syl2anc 596 . . . . . . . . 9 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋)) ↔ (𝑠 ∈ ℝ ∧ ( -π − 𝑋) ≤ 𝑠 ∧ 𝑠 ≤ (π − 𝑋))))
385366, 384mpbid 235 . . . . . . . 8 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑠 ∈ ℝ ∧ ( -π − 𝑋) ≤ 𝑠 ∧ 𝑠 ≤ (π − 𝑋)))
386385simp2d 1161 . . . . . . 7 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → ( -π − 𝑋) ≤ 𝑠)
387363, 368, 377, 386leadd2dd 11934 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + ( -π − 𝑋)) ≤ (𝑋 + 𝑠))
388382, 387eqbrtrd 5126 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → -π ≤ (𝑋 + 𝑠))
389385simp3d 1162 . . . . . . 7 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝑠 ≤ (π − 𝑋))
390368, 365, 377, 389leadd2dd 11934 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + 𝑠) ≤ (𝑋 + (π − 𝑋)))
391 picn 26790 . . . . . . . 8 π ∈ ℂ
392391a1i 11 . . . . . . 7 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → π ∈ ℂ)
393361, 392pncan3d 11675 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + (π − 𝑋)) = π)
394390, 393breqtrd 5130 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + 𝑠) ≤ π)
395375, 376, 378, 388, 394eliccd 46609 . . . 4 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝑋 + 𝑠) ∈ ( -π[,]π))
3962adantr 486 . . . . . 6 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → 𝐹:( -π[,]π)⟶ℂ)
397396, 395ffvelcdmd 7085 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝐹‘(𝑋 + 𝑠)) ∈ ℂ)
398368, 109syldan 603 . . . . 5 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → ((𝐷‘𝑁)‘𝑠) ∈ ℂ)
399397, 398mulcld 11332 . . . 4 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)) ∈ ℂ)
400356, 374, 395, 399fvmptd 7001 . . 3 ((𝜑 ∧ 𝑠 ∈ (( -π − 𝑋)[,](π − 𝑋))) → (𝐺‘(𝑋 + 𝑠)) = ((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)))
401400itgeq2dv 26107 . 2 (𝜑 → ∫(( -π − 𝑋)[,](π − 𝑋))(𝐺‘(𝑋 + 𝑠)) d𝑠 = ∫(( -π − 𝑋)[,](π − 𝑋))((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)) d𝑠)
40223, 355, 4013eqtrd 2799 1 (𝜑 → ∫( -π[,]π)((𝐹‘𝑡) · ((𝐷‘𝑁)‘(𝑡 − 𝑋))) d𝑡 = ∫(( -π − 𝑋)[,](π − 𝑋))((𝐹‘(𝑋 + 𝑠)) · ((𝐷‘𝑁)‘𝑠)) d𝑠)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∨ wo 861   ∧ w3a 1103   = wceq 1569   ∈ wcel 2144  ∀wral 3076  {crab 3412   ⊆ wss 3895   ∪ cun 4149  ifcif 4481  {csn 4584   class class class wbr 5102   ↦ cmpt 5185   ↾ cres 5652   ∘ ccom 5654  ⟶wf 6534  ‘cfv 6538  (class class class)co 7420   ↑m cmap 8850  ℂcc 11201  ℝcr 11202  0cc0 11203  1c1 11204   + caddc 11206   · cmul 11208  ℝ*cxr 11345   < clt 11346   ≤ cle 11347   − cmin 11544   -cneg 11545   / cdiv 11976  ℕcn 12338  2c2 12400  (,)cioo 13479  [,]cicc 13482  ...cfz 13642  ..^cfzo 13791   mod cmo 14012  sincsin 16234  πcpi 16237   ↾t crest 17596  TopOpenctopn 17597  ℂfldccnfld 21683  Topctop 23216  TopOnctopon 23233   Cn ccn 23547   CnP ccnp 23548  –cn→ccncf 25202  ∫citg 25944   limℂ climc 26187
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-10 2177  ax-11 2193  ax-12 2212  ax-ext 2732  ax-rep 5231  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7751  ax-inf2 9645  ax-cc 10516  ax-cnex 11259  ax-resscn 11260  ax-1cn 11261  ax-icn 11262  ax-addcl 11263  ax-addrcl 11264  ax-mulcl 11265  ax-mulrcl 11266  ax-mulcom 11267  ax-addass 11268  ax-mulass 11269  ax-distr 11270  ax-i2m1 11271  ax-1ne0 11272  ax-1rid 11273  ax-rnegex 11274  ax-rrecex 11275  ax-cnre 11276  ax-pre-lttri 11277  ax-pre-lttrn 11278  ax-pre-ltadd 11279  ax-pre-mulgt0 11280  ax-pre-sup 11281  ax-addf 11282
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-nf 1816  df-sb 2099  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-nel 3062  df-ral 3077  df-rex 3087  df-rmo 3365  df-reu 3366  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-ss 3896  df-pss 4014  df-dif 4047  df-in 4091  df-un 4151  df-symdif 4198  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4585  df-pr 4587  df-tp 4589  df-op 4835  df-uni 4867  df-int 4907  df-iun 4952  df-iin 4953  df-disj 5070  df-br 5103  df-opab 5167  df-mpt 5186  df-tr 5212  df-id 5545  df-eprel 5550  df-po 5558  df-so 5559  df-fr 5603  df-se 5604  df-we 5605  df-xp 5656  df-rel 5657  df-cnv 5658  df-co 5659  df-dm 5660  df-rn 5661  df-res 5662  df-ima 5663  df-pred 6304  df-ord 6365  df-on 6366  df-lim 6367  df-suc 6368  df-iota 6494  df-fun 6540  df-fn 6541  df-f 6542  df-f1 6543  df-fo 6544  df-f1o 6545  df-fv 6546  df-isom 6547  df-riota 7377  df-ov 7423  df-oprab 7424  df-mpo 7425  df-of 7693  df-ofr 7694  df-om 7878  df-1st 8001  df-2nd 8002  df-supp 8180  df-frecs 8302  df-wrecs 8333  df-recs 8382  df-rdg 8421  df-1o 8479  df-2o 8480  df-oadd 8483  df-omul 8484  df-er 8720  df-map 8852  df-pm 8853  df-ixp 8929  df-en 8977  df-dom 8978  df-sdom 8979  df-fin 8980  df-fsupp 9357  df-fi 9406  df-sup 9437  df-inf 9438  df-oi 9507  df-dju 9985  df-card 10023  df-acn 10026  df-pnf 11348  df-mnf 11349  df-xr 11350  df-ltxr 11351  df-le 11352  df-sub 11546  df-neg 11547  df-div 11977  df-nn 12339  df-2 12408  df-3 12409  df-4 12410  df-5 12411  df-6 12412  df-7 12413  df-8 12414  df-9 12415  df-n0 12610  df-z 12697  df-dec 12818  df-uz 12969  df-q 13079  df-rp 13124  df-xneg 13244  df-xadd 13245  df-xmul 13246  df-ioo 13483  df-ioc 13484  df-ico 13485  df-icc 13486  df-fz 13643  df-fzo 13792  df-fl 13935  df-mod 14013  df-seq 14148  df-exp 14208  df-fac 14421  df-bc 14450  df-hash 14478  df-shft 15225  df-cj 15271  df-re 15272  df-im 15273  df-sqrt 15407  df-abs 15408  df-limsup 15643  df-clim 15660  df-rlim 15661  df-sum 15859  df-ef 16238  df-sin 16240  df-cos 16241  df-pi 16243  df-struct 17330  df-sets 17347  df-slot 17365  df-ndx 17377  df-base 17393  df-ress 17414  df-plusg 17446  df-mulr 17447  df-starv 17448  df-sca 17449  df-vsca 17450  df-ip 17451  df-tset 17452  df-ple 17453  df-ds 17455  df-unif 17456  df-hom 17457  df-cco 17458  df-rest 17598  df-topn 17599  df-0g 17617  df-gsum 17618  df-topgen 17619  df-pt 17620  df-prds 17623  df-xrs 17679  df-qtop 17684  df-imas 17685  df-xps 17687  df-mre 17761  df-mrc 17762  df-acs 17764  df-mgm 18821  df-sgrp 18913  df-mnd 18929  df-submnd 18984  df-mulg 19283  df-cntz 19536  df-cmn 20001  df-psmet 21675  df-xmet 21676  df-met 21677  df-bl 21678  df-mopn 21679  df-fbas 21680  df-fg 21681  df-cnfld 21684  df-top 23217  df-topon 23234  df-topsp 23256  df-bases 23269  df-cld 23342  df-ntr 23343  df-cls 23344  df-nei 23421  df-lp 23459  df-perf 23460  df-cn 23550  df-cnp 23551  df-t1 23637  df-haus 23638  df-cmp 23710  df-tx 23886  df-hmeo 24079  df-fil 24170  df-fm 24262  df-flim 24263  df-flf 24264  df-xms 24644  df-ms 24645  df-tms 24646  df-cncf 25204  df-ovol 25790  df-vol 25791  df-mbf 25945  df-itg1 25946  df-itg2 25947  df-ibl 25948  df-itg 25949  df-0p 25996  df-ditg 26172  df-limc 26191  df-dv 26192
This theorem is used by:  fourierdlem111  47320
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