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Theorem fourierdlem80 40721
Description: The derivative of 𝑂 is bounded on the given interval. (Contributed by Glauco Siliprandi, 11-Dec-2019.)
Hypotheses
Ref Expression
fourierdlem80.f (𝜑𝐹:ℝ⟶ℝ)
fourierdlem80.xre (𝜑𝑋 ∈ ℝ)
fourierdlem80.a (𝜑𝐴 ∈ ℝ)
fourierdlem80.b (𝜑𝐵 ∈ ℝ)
fourierdlem80.ab (𝜑 → (𝐴[,]𝐵) ⊆ (-π[,]π))
fourierdlem80.n0 (𝜑 → ¬ 0 ∈ (𝐴[,]𝐵))
fourierdlem80.c (𝜑𝐶 ∈ ℝ)
fourierdlem80.o 𝑂 = (𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))))
fourierdlem80.i 𝐼 = ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))
fourierdlem80.fbdioo ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑤 ∈ ℝ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤)
fourierdlem80.fdvbdioo ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑧 ∈ ℝ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)
fourierdlem80.sf (𝜑𝑆:(0...𝑁)⟶(𝐴[,]𝐵))
fourierdlem80.slt ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆𝑗) < (𝑆‘(𝑗 + 1)))
fourierdlem80.sjss ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))) ⊆ (𝐴[,]𝐵))
fourierdlem80.relioo (((𝜑𝑟 ∈ (𝐴[,]𝐵)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))))
fdv ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D (𝐹𝐼)):𝐼⟶ℝ)
fourierdlem80.y 𝑌 = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))))
fourierdlem80.ch (𝜒 ↔ (((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
Assertion
Ref Expression
fourierdlem80 (𝜑 → ∃𝑏 ∈ ℝ ∀𝑠 ∈ dom (ℝ D 𝑂)(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑏)
Distinct variable groups:   𝐴,𝑏,𝑟,𝑠,𝑡   𝐵,𝑏,𝑟,𝑠,𝑡   𝐶,𝑏,𝑟,𝑠,𝑡   𝐹,𝑏,𝑟,𝑠,𝑡   𝑤,𝐹,𝑧,𝑠,𝑡   𝑤,𝐼,𝑧   𝑁,𝑏,𝑗,𝑟,𝑠   𝑘,𝑁,𝑗,𝑟   𝑤,𝑁,𝑧,𝑗   𝑂,𝑏,𝑗,𝑟   𝑤,𝑂,𝑧   𝑆,𝑏,𝑗,𝑟,𝑠,𝑡   𝑆,𝑘   𝑤,𝑆,𝑧   𝑋,𝑏,𝑟,𝑠,𝑡   𝑌,𝑠   𝜑,𝑏,𝑗,𝑟,𝑠   𝜒,𝑠,𝑡   𝜑,𝑤,𝑧
Allowed substitution hints:   𝜑(𝑡,𝑘)   𝜒(𝑧,𝑤,𝑗,𝑘,𝑟,𝑏)   𝐴(𝑧,𝑤,𝑗,𝑘)   𝐵(𝑧,𝑤,𝑗,𝑘)   𝐶(𝑧,𝑤,𝑗,𝑘)   𝐹(𝑗,𝑘)   𝐼(𝑡,𝑗,𝑘,𝑠,𝑟,𝑏)   𝑁(𝑡)   𝑂(𝑡,𝑘,𝑠)   𝑋(𝑧,𝑤,𝑗,𝑘)   𝑌(𝑧,𝑤,𝑡,𝑗,𝑘,𝑟,𝑏)

Proof of Theorem fourierdlem80
Dummy variable 𝑦 is distinct from all other variables.
StepHypRef Expression
1 fourierdlem80.o . . . . . . . . 9 𝑂 = (𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))))
2 oveq2 6698 . . . . . . . . . . . . 13 (𝑠 = 𝑡 → (𝑋 + 𝑠) = (𝑋 + 𝑡))
32fveq2d 6233 . . . . . . . . . . . 12 (𝑠 = 𝑡 → (𝐹‘(𝑋 + 𝑠)) = (𝐹‘(𝑋 + 𝑡)))
43oveq1d 6705 . . . . . . . . . . 11 (𝑠 = 𝑡 → ((𝐹‘(𝑋 + 𝑠)) − 𝐶) = ((𝐹‘(𝑋 + 𝑡)) − 𝐶))
5 oveq1 6697 . . . . . . . . . . . . 13 (𝑠 = 𝑡 → (𝑠 / 2) = (𝑡 / 2))
65fveq2d 6233 . . . . . . . . . . . 12 (𝑠 = 𝑡 → (sin‘(𝑠 / 2)) = (sin‘(𝑡 / 2)))
76oveq2d 6706 . . . . . . . . . . 11 (𝑠 = 𝑡 → (2 · (sin‘(𝑠 / 2))) = (2 · (sin‘(𝑡 / 2))))
84, 7oveq12d 6708 . . . . . . . . . 10 (𝑠 = 𝑡 → (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))) = (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))
98cbvmptv 4783 . . . . . . . . 9 (𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))) = (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))
101, 9eqtr2i 2674 . . . . . . . 8 (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2))))) = 𝑂
1110oveq2i 6701 . . . . . . 7 (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))) = (ℝ D 𝑂)
1211dmeqi 5357 . . . . . 6 dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))) = dom (ℝ D 𝑂)
1312ineq2i 3844 . . . . 5 (ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2))))))) = (ran 𝑆 ∩ dom (ℝ D 𝑂))
1413sneqi 4221 . . . 4 {(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} = {(ran 𝑆 ∩ dom (ℝ D 𝑂))}
1514uneq1i 3796 . . 3 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
16 snfi 8079 . . . . 5 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∈ Fin
17 fzofi 12813 . . . . . 6 (0..^𝑁) ∈ Fin
18 eqid 2651 . . . . . . 7 (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
1918rnmptfi 39665 . . . . . 6 ((0..^𝑁) ∈ Fin → ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ∈ Fin)
2017, 19ax-mp 5 . . . . 5 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ∈ Fin
21 unfi 8268 . . . . 5 (({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∈ Fin ∧ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ∈ Fin) → ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ∈ Fin)
2216, 20, 21mp2an 708 . . . 4 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ∈ Fin
2322a1i 11 . . 3 (𝜑 → ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ∈ Fin)
2415, 23syl5eqel 2734 . 2 (𝜑 → ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ∈ Fin)
25 id 22 . . . 4 (𝑠 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → 𝑠 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
2615unieqi 4477 . . . 4 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
2725, 26syl6eleq 2740 . . 3 (𝑠 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → 𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
28 simpl 472 . . . . 5 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → 𝜑)
29 uniun 4488 . . . . . . . . 9 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ( {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
3029eleq2i 2722 . . . . . . . 8 (𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ↔ 𝑠 ∈ ( {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
31 elun 3786 . . . . . . . 8 (𝑠 ∈ ( {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ↔ (𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
3230, 31sylbb 209 . . . . . . 7 (𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → (𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
3332adantl 481 . . . . . 6 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → (𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
34 fourierdlem80.sf . . . . . . . . . . . . 13 (𝜑𝑆:(0...𝑁)⟶(𝐴[,]𝐵))
35 ovex 6718 . . . . . . . . . . . . . 14 (0...𝑁) ∈ V
3635a1i 11 . . . . . . . . . . . . 13 (𝜑 → (0...𝑁) ∈ V)
37 fex 6530 . . . . . . . . . . . . 13 ((𝑆:(0...𝑁)⟶(𝐴[,]𝐵) ∧ (0...𝑁) ∈ V) → 𝑆 ∈ V)
3834, 36, 37syl2anc 694 . . . . . . . . . . . 12 (𝜑𝑆 ∈ V)
39 rnexg 7140 . . . . . . . . . . . 12 (𝑆 ∈ V → ran 𝑆 ∈ V)
4038, 39syl 17 . . . . . . . . . . 11 (𝜑 → ran 𝑆 ∈ V)
41 inex1g 4834 . . . . . . . . . . 11 (ran 𝑆 ∈ V → (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ V)
4240, 41syl 17 . . . . . . . . . 10 (𝜑 → (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ V)
43 unisng 4484 . . . . . . . . . 10 ((ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ V → {(ran 𝑆 ∩ dom (ℝ D 𝑂))} = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
4442, 43syl 17 . . . . . . . . 9 (𝜑 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
4544eleq2d 2716 . . . . . . . 8 (𝜑 → (𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ↔ 𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂))))
4645adantr 480 . . . . . . 7 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → (𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ↔ 𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂))))
4746orbi1d 739 . . . . . 6 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → ((𝑠 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ↔ (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))))
4833, 47mpbid 222 . . . . 5 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
49 dvf 23716 . . . . . . . . 9 (ℝ D 𝑂):dom (ℝ D 𝑂)⟶ℂ
5049a1i 11 . . . . . . . 8 (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) → (ℝ D 𝑂):dom (ℝ D 𝑂)⟶ℂ)
51 elinel2 3833 . . . . . . . 8 (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) → 𝑠 ∈ dom (ℝ D 𝑂))
5250, 51ffvelrnd 6400 . . . . . . 7 (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
5352adantl 481 . . . . . 6 ((𝜑𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
54 ovex 6718 . . . . . . . . . . . 12 ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ∈ V
5554dfiun3 5412 . . . . . . . . . . 11 𝑗 ∈ (0..^𝑁)((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) = ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
5655eleq2i 2722 . . . . . . . . . 10 (𝑠 𝑗 ∈ (0..^𝑁)((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↔ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
5756biimpri 218 . . . . . . . . 9 (𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → 𝑠 𝑗 ∈ (0..^𝑁)((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
5857adantl 481 . . . . . . . 8 ((𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → 𝑠 𝑗 ∈ (0..^𝑁)((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
59 eliun 4556 . . . . . . . 8 (𝑠 𝑗 ∈ (0..^𝑁)((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↔ ∃𝑗 ∈ (0..^𝑁)𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
6058, 59sylib 208 . . . . . . 7 ((𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → ∃𝑗 ∈ (0..^𝑁)𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
61 nfv 1883 . . . . . . . . 9 𝑗𝜑
62 nfmpt1 4780 . . . . . . . . . . . 12 𝑗(𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
6362nfrn 5400 . . . . . . . . . . 11 𝑗ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
6463nfuni 4474 . . . . . . . . . 10 𝑗 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
6564nfcri 2787 . . . . . . . . 9 𝑗 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
6661, 65nfan 1868 . . . . . . . 8 𝑗(𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
67 nfv 1883 . . . . . . . 8 𝑗((ℝ D 𝑂)‘𝑠) ∈ ℂ
6849a1i 11 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (ℝ D 𝑂):dom (ℝ D 𝑂)⟶ℂ)
691reseq1i 5424 . . . . . . . . . . . . . . . . . . . 20 (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = ((𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
70 ioossicc 12297 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ ((𝑆𝑗)[,](𝑆‘(𝑗 + 1)))
71 fourierdlem80.sjss . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))) ⊆ (𝐴[,]𝐵))
7270, 71syl5ss 3647 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ (𝐴[,]𝐵))
7372resmptd 5487 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))))
7469, 73syl5eq 2697 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))))
75 fourierdlem80.y . . . . . . . . . . . . . . . . . . 19 𝑌 = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))))
7674, 75syl6reqr 2704 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝑌 = (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
7776oveq2d 6706 . . . . . . . . . . . . . . . . 17 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D 𝑌) = (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
78 ax-resscn 10031 . . . . . . . . . . . . . . . . . . . . 21 ℝ ⊆ ℂ
7978a1i 11 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → ℝ ⊆ ℂ)
80 fourierdlem80.f . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜑𝐹:ℝ⟶ℝ)
8180adantr 480 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝐹:ℝ⟶ℝ)
82 fourierdlem80.xre . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜑𝑋 ∈ ℝ)
8382adantr 480 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝑋 ∈ ℝ)
84 fourierdlem80.a . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝜑𝐴 ∈ ℝ)
85 fourierdlem80.b . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝜑𝐵 ∈ ℝ)
8684, 85iccssred 40045 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜑 → (𝐴[,]𝐵) ⊆ ℝ)
8786sselda 3636 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝑠 ∈ ℝ)
8883, 87readdcld 10107 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (𝑋 + 𝑠) ∈ ℝ)
8981, 88ffvelrnd 6400 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (𝐹‘(𝑋 + 𝑠)) ∈ ℝ)
9089recnd 10106 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (𝐹‘(𝑋 + 𝑠)) ∈ ℂ)
91 fourierdlem80.c . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝜑𝐶 ∈ ℝ)
9291recnd 10106 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝜑𝐶 ∈ ℂ)
9392adantr 480 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝐶 ∈ ℂ)
9490, 93subcld 10430 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → ((𝐹‘(𝑋 + 𝑠)) − 𝐶) ∈ ℂ)
95 2cnd 11131 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 2 ∈ ℂ)
9686, 79sstrd 3646 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜑 → (𝐴[,]𝐵) ⊆ ℂ)
9796sselda 3636 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝑠 ∈ ℂ)
9897halfcld 11315 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (𝑠 / 2) ∈ ℂ)
9998sincld 14904 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (sin‘(𝑠 / 2)) ∈ ℂ)
10095, 99mulcld 10098 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (2 · (sin‘(𝑠 / 2))) ∈ ℂ)
101 2ne0 11151 . . . . . . . . . . . . . . . . . . . . . . . 24 2 ≠ 0
102101a1i 11 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 2 ≠ 0)
103 fourierdlem80.ab . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝜑 → (𝐴[,]𝐵) ⊆ (-π[,]π))
104103sselda 3636 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝑠 ∈ (-π[,]π))
105 eqcom 2658 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑠 = 0 ↔ 0 = 𝑠)
106105biimpi 206 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑠 = 0 → 0 = 𝑠)
107106adantl 481 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑠 ∈ (𝐴[,]𝐵) ∧ 𝑠 = 0) → 0 = 𝑠)
108 simpl 472 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑠 ∈ (𝐴[,]𝐵) ∧ 𝑠 = 0) → 𝑠 ∈ (𝐴[,]𝐵))
109107, 108eqeltrd 2730 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑠 ∈ (𝐴[,]𝐵) ∧ 𝑠 = 0) → 0 ∈ (𝐴[,]𝐵))
110109adantll 750 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((𝜑𝑠 ∈ (𝐴[,]𝐵)) ∧ 𝑠 = 0) → 0 ∈ (𝐴[,]𝐵))
111 fourierdlem80.n0 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜑 → ¬ 0 ∈ (𝐴[,]𝐵))
112111ad2antrr 762 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((𝜑𝑠 ∈ (𝐴[,]𝐵)) ∧ 𝑠 = 0) → ¬ 0 ∈ (𝐴[,]𝐵))
113110, 112pm2.65da 599 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → ¬ 𝑠 = 0)
114113neqned 2830 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → 𝑠 ≠ 0)
115 fourierdlem44 40686 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑠 ∈ (-π[,]π) ∧ 𝑠 ≠ 0) → (sin‘(𝑠 / 2)) ≠ 0)
116104, 114, 115syl2anc 694 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (sin‘(𝑠 / 2)) ≠ 0)
11795, 99, 102, 116mulne0d 10717 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (2 · (sin‘(𝑠 / 2))) ≠ 0)
11894, 100, 117divcld 10839 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑠 ∈ (𝐴[,]𝐵)) → (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))) ∈ ℂ)
119118, 1fmptd 6425 . . . . . . . . . . . . . . . . . . . 20 (𝜑𝑂:(𝐴[,]𝐵)⟶ℂ)
120 ioossre 12273 . . . . . . . . . . . . . . . . . . . . 21 ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ ℝ
121120a1i 11 . . . . . . . . . . . . . . . . . . . 20 (𝜑 → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ ℝ)
122 eqid 2651 . . . . . . . . . . . . . . . . . . . . 21 (TopOpen‘ℂfld) = (TopOpen‘ℂfld)
123122tgioo2 22653 . . . . . . . . . . . . . . . . . . . . 21 (topGen‘ran (,)) = ((TopOpen‘ℂfld) ↾t ℝ)
124122, 123dvres 23720 . . . . . . . . . . . . . . . . . . . 20 (((ℝ ⊆ ℂ ∧ 𝑂:(𝐴[,]𝐵)⟶ℂ) ∧ ((𝐴[,]𝐵) ⊆ ℝ ∧ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ ℝ)) → (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
12579, 119, 86, 121, 124syl22anc 1367 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
126 ioontr 40054 . . . . . . . . . . . . . . . . . . . 20 ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))
127126reseq2i 5425 . . . . . . . . . . . . . . . . . . 19 ((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
128125, 127syl6eq 2701 . . . . . . . . . . . . . . . . . 18 (𝜑 → (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
129128adantr 480 . . . . . . . . . . . . . . . . 17 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) = ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
13077, 129eqtr2d 2686 . . . . . . . . . . . . . . . 16 ((𝜑𝑗 ∈ (0..^𝑁)) → ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (ℝ D 𝑌))
131130dmeqd 5358 . . . . . . . . . . . . . . 15 ((𝜑𝑗 ∈ (0..^𝑁)) → dom ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = dom (ℝ D 𝑌))
13280adantr 480 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝐹:ℝ⟶ℝ)
13382adantr 480 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝑋 ∈ ℝ)
13486adantr 480 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝐴[,]𝐵) ⊆ ℝ)
13534adantr 480 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝑆:(0...𝑁)⟶(𝐴[,]𝐵))
136 elfzofz 12524 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 ∈ (0..^𝑁) → 𝑗 ∈ (0...𝑁))
137136adantl 481 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝑗 ∈ (0...𝑁))
138135, 137ffvelrnd 6400 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆𝑗) ∈ (𝐴[,]𝐵))
139134, 138sseldd 3637 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆𝑗) ∈ ℝ)
140 fzofzp1 12605 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 ∈ (0..^𝑁) → (𝑗 + 1) ∈ (0...𝑁))
141140adantl 481 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑗 + 1) ∈ (0...𝑁))
142135, 141ffvelrnd 6400 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆‘(𝑗 + 1)) ∈ (𝐴[,]𝐵))
143134, 142sseldd 3637 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆‘(𝑗 + 1)) ∈ ℝ)
144 fdv . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D (𝐹𝐼)):𝐼⟶ℝ)
145 fourierdlem80.i . . . . . . . . . . . . . . . . . . . . . 22 𝐼 = ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))
146145feq2i 6075 . . . . . . . . . . . . . . . . . . . . 21 ((ℝ D (𝐹𝐼)):𝐼⟶ℝ ↔ (ℝ D (𝐹𝐼)):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ)
147144, 146sylib 208 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D (𝐹𝐼)):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ)
148145reseq2i 5425 . . . . . . . . . . . . . . . . . . . . . 22 (𝐹𝐼) = (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))))
149148oveq2i 6701 . . . . . . . . . . . . . . . . . . . . 21 (ℝ D (𝐹𝐼)) = (ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))
150149feq1i 6074 . . . . . . . . . . . . . . . . . . . 20 ((ℝ D (𝐹𝐼)):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ ↔ (ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))))):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ)
151147, 150sylib 208 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))))):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ)
152103adantr 480 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝐴[,]𝐵) ⊆ (-π[,]π))
15372, 152sstrd 3646 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ (-π[,]π))
154111adantr 480 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → ¬ 0 ∈ (𝐴[,]𝐵))
15572, 154ssneldd 3639 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → ¬ 0 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
15691adantr 480 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑗 ∈ (0..^𝑁)) → 𝐶 ∈ ℝ)
157132, 133, 139, 143, 151, 153, 155, 156, 75fourierdlem57 40698 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑗 ∈ (0..^𝑁)) → ((ℝ D 𝑌):((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))⟶ℝ ∧ (ℝ D 𝑌) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘(𝑋 + 𝑠)) · (2 · (sin‘(𝑠 / 2)))) − ((cos‘(𝑠 / 2)) · ((𝐹‘(𝑋 + 𝑠)) − 𝐶))) / ((2 · (sin‘(𝑠 / 2)))↑2))))) ∧ (ℝ D (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (2 · (sin‘(𝑠 / 2))))) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (cos‘(𝑠 / 2))))
158157simpli 473 . . . . . . . . . . . . . . . . 17 ((𝜑𝑗 ∈ (0..^𝑁)) → ((ℝ D 𝑌):((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))⟶ℝ ∧ (ℝ D 𝑌) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘(𝑋 + 𝑠)) · (2 · (sin‘(𝑠 / 2)))) − ((cos‘(𝑠 / 2)) · ((𝐹‘(𝑋 + 𝑠)) − 𝐶))) / ((2 · (sin‘(𝑠 / 2)))↑2)))))
159158simpld 474 . . . . . . . . . . . . . . . 16 ((𝜑𝑗 ∈ (0..^𝑁)) → (ℝ D 𝑌):((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))⟶ℝ)
160 fdm 6089 . . . . . . . . . . . . . . . 16 ((ℝ D 𝑌):((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))⟶ℝ → dom (ℝ D 𝑌) = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
161159, 160syl 17 . . . . . . . . . . . . . . 15 ((𝜑𝑗 ∈ (0..^𝑁)) → dom (ℝ D 𝑌) = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
162131, 161eqtr2d 2686 . . . . . . . . . . . . . 14 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) = dom ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
163 resss 5457 . . . . . . . . . . . . . . 15 ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ⊆ (ℝ D 𝑂)
164 dmss 5355 . . . . . . . . . . . . . . 15 (((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ⊆ (ℝ D 𝑂) → dom ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ⊆ dom (ℝ D 𝑂))
165163, 164mp1i 13 . . . . . . . . . . . . . 14 ((𝜑𝑗 ∈ (0..^𝑁)) → dom ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ⊆ dom (ℝ D 𝑂))
166162, 165eqsstrd 3672 . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ dom (ℝ D 𝑂))
1671663adant3 1101 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ dom (ℝ D 𝑂))
168 simp3 1083 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
169167, 168sseldd 3637 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → 𝑠 ∈ dom (ℝ D 𝑂))
17068, 169ffvelrnd 6400 . . . . . . . . . 10 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
1711703exp 1283 . . . . . . . . 9 (𝜑 → (𝑗 ∈ (0..^𝑁) → (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)))
172171adantr 480 . . . . . . . 8 ((𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → (𝑗 ∈ (0..^𝑁) → (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)))
17366, 67, 172rexlimd 3055 . . . . . . 7 ((𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → (∃𝑗 ∈ (0..^𝑁)𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ))
17460, 173mpd 15 . . . . . 6 ((𝜑𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
17553, 174jaodan 843 . . . . 5 ((𝜑 ∧ (𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∨ 𝑠 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
17628, 48, 175syl2anc 694 . . . 4 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
177176abscld 14219 . . 3 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ)
17827, 177sylan2 490 . 2 ((𝜑𝑠 ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ)
179 id 22 . . . 4 (𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → 𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
180179, 15syl6eleq 2740 . . 3 (𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → 𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
181 elsni 4227 . . . . . 6 (𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))} → 𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
182 simpr 476 . . . . . . . 8 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → 𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
183 fzfid 12812 . . . . . . . . . . 11 (𝜑 → (0...𝑁) ∈ Fin)
184 rnffi 39670 . . . . . . . . . . 11 ((𝑆:(0...𝑁)⟶(𝐴[,]𝐵) ∧ (0...𝑁) ∈ Fin) → ran 𝑆 ∈ Fin)
18534, 183, 184syl2anc 694 . . . . . . . . . 10 (𝜑 → ran 𝑆 ∈ Fin)
186 infi 8225 . . . . . . . . . 10 (ran 𝑆 ∈ Fin → (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ Fin)
187185, 186syl 17 . . . . . . . . 9 (𝜑 → (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ Fin)
188187adantr 480 . . . . . . . 8 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∈ Fin)
189182, 188eqeltrd 2730 . . . . . . 7 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → 𝑟 ∈ Fin)
190 nfv 1883 . . . . . . . . 9 𝑠𝜑
191 nfcv 2793 . . . . . . . . . . 11 𝑠ran 𝑆
192 nfcv 2793 . . . . . . . . . . . . 13 𝑠
193 nfcv 2793 . . . . . . . . . . . . 13 𝑠 D
194 nfmpt1 4780 . . . . . . . . . . . . . 14 𝑠(𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2)))))
1951, 194nfcxfr 2791 . . . . . . . . . . . . 13 𝑠𝑂
196192, 193, 195nfov 6716 . . . . . . . . . . . 12 𝑠(ℝ D 𝑂)
197196nfdm 5399 . . . . . . . . . . 11 𝑠dom (ℝ D 𝑂)
198191, 197nfin 3853 . . . . . . . . . 10 𝑠(ran 𝑆 ∩ dom (ℝ D 𝑂))
199198nfeq2 2809 . . . . . . . . 9 𝑠 𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))
200190, 199nfan 1868 . . . . . . . 8 𝑠(𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
201 simpr 476 . . . . . . . . . . . . 13 ((𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∧ 𝑠𝑟) → 𝑠𝑟)
202 simpl 472 . . . . . . . . . . . . 13 ((𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∧ 𝑠𝑟) → 𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)))
203201, 202eleqtrd 2732 . . . . . . . . . . . 12 ((𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∧ 𝑠𝑟) → 𝑠 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)))
204203, 51syl 17 . . . . . . . . . . 11 ((𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂)) ∧ 𝑠𝑟) → 𝑠 ∈ dom (ℝ D 𝑂))
205204adantll 750 . . . . . . . . . 10 (((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) ∧ 𝑠𝑟) → 𝑠 ∈ dom (ℝ D 𝑂))
20649ffvelrni 6398 . . . . . . . . . . 11 (𝑠 ∈ dom (ℝ D 𝑂) → ((ℝ D 𝑂)‘𝑠) ∈ ℂ)
207206abscld 14219 . . . . . . . . . 10 (𝑠 ∈ dom (ℝ D 𝑂) → (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ)
208205, 207syl 17 . . . . . . . . 9 (((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) ∧ 𝑠𝑟) → (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ)
209208ex 449 . . . . . . . 8 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → (𝑠𝑟 → (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ))
210200, 209ralrimi 2986 . . . . . . 7 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ)
211 fimaxre3 11008 . . . . . . 7 ((𝑟 ∈ Fin ∧ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ∈ ℝ) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
212189, 210, 211syl2anc 694 . . . . . 6 ((𝜑𝑟 = (ran 𝑆 ∩ dom (ℝ D 𝑂))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
213181, 212sylan2 490 . . . . 5 ((𝜑𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
214213adantlr 751 . . . 4 (((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) ∧ 𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
215 simpll 805 . . . . 5 (((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) ∧ ¬ 𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → 𝜑)
216 elunnel1 3787 . . . . . 6 ((𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ∧ ¬ 𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → 𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
217216adantll 750 . . . . 5 (((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) ∧ ¬ 𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → 𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
218 vex 3234 . . . . . . . . 9 𝑟 ∈ V
21918elrnmpt 5404 . . . . . . . . 9 (𝑟 ∈ V → (𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ↔ ∃𝑗 ∈ (0..^𝑁)𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
220218, 219ax-mp 5 . . . . . . . 8 (𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ↔ ∃𝑗 ∈ (0..^𝑁)𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
221220biimpi 206 . . . . . . 7 (𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ∃𝑗 ∈ (0..^𝑁)𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
222221adantl 481 . . . . . 6 ((𝜑𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → ∃𝑗 ∈ (0..^𝑁)𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
22363nfcri 2787 . . . . . . . 8 𝑗 𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
22461, 223nfan 1868 . . . . . . 7 𝑗(𝜑𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
225 nfv 1883 . . . . . . 7 𝑗𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦
226 fourierdlem80.fbdioo . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑤 ∈ ℝ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤)
227 fourierdlem80.fdvbdioo . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑧 ∈ ℝ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)
228 reeanv 3136 . . . . . . . . . . . . 13 (∃𝑤 ∈ ℝ ∃𝑧 ∈ ℝ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) ↔ (∃𝑤 ∈ ℝ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∃𝑧 ∈ ℝ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
229226, 227, 228sylanbrc 699 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑤 ∈ ℝ ∃𝑧 ∈ ℝ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
230 simp1 1081 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → (𝜑𝑗 ∈ (0..^𝑁)))
231 simp2l 1107 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → 𝑤 ∈ ℝ)
232 simp2r 1108 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → 𝑧 ∈ ℝ)
233230, 231, 232jca31 556 . . . . . . . . . . . . . . . . 17 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → (((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ))
234 simp3l 1109 . . . . . . . . . . . . . . . . 17 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤)
235 simp3r 1110 . . . . . . . . . . . . . . . . 17 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)
236233, 234, 235jca31 556 . . . . . . . . . . . . . . . 16 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → (((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
237 fourierdlem80.ch . . . . . . . . . . . . . . . 16 (𝜒 ↔ (((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
238236, 237sylibr 224 . . . . . . . . . . . . . . 15 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → 𝜒)
239237biimpi 206 . . . . . . . . . . . . . . . . . . . . 21 (𝜒 → (((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧))
240 simp-5l 825 . . . . . . . . . . . . . . . . . . . . 21 ((((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → 𝜑)
241239, 240syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜒𝜑)
242241, 80syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒𝐹:ℝ⟶ℝ)
243241, 82syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒𝑋 ∈ ℝ)
244 simp-4l 823 . . . . . . . . . . . . . . . . . . . . 21 ((((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → (𝜑𝑗 ∈ (0..^𝑁)))
245239, 244syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜒 → (𝜑𝑗 ∈ (0..^𝑁)))
246245, 139syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → (𝑆𝑗) ∈ ℝ)
247245, 143syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → (𝑆‘(𝑗 + 1)) ∈ ℝ)
248 fourierdlem80.slt . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → (𝑆𝑗) < (𝑆‘(𝑗 + 1)))
249245, 248syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → (𝑆𝑗) < (𝑆‘(𝑗 + 1)))
25071, 152sstrd 3646 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))) ⊆ (-π[,]π))
251245, 250syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))) ⊆ (-π[,]π))
25271, 154ssneldd 3639 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑗 ∈ (0..^𝑁)) → ¬ 0 ∈ ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))))
253245, 252syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → ¬ 0 ∈ ((𝑆𝑗)[,](𝑆‘(𝑗 + 1))))
254245, 151syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒 → (ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))))):((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))⟶ℝ)
255 simp-4r 824 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → 𝑤 ∈ ℝ)
256239, 255syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒𝑤 ∈ ℝ)
257239simplrd 808 . . . . . . . . . . . . . . . . . . . 20 (𝜒 → ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤)
258 id 22 . . . . . . . . . . . . . . . . . . . . 21 (𝑡 ∈ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))) → 𝑡 ∈ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))))
259258, 145syl6eleqr 2741 . . . . . . . . . . . . . . . . . . . 20 (𝑡 ∈ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1)))) → 𝑡𝐼)
260 rspa 2959 . . . . . . . . . . . . . . . . . . . 20 ((∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤𝑡𝐼) → (abs‘(𝐹𝑡)) ≤ 𝑤)
261257, 259, 260syl2an 493 . . . . . . . . . . . . . . . . . . 19 ((𝜒𝑡 ∈ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))) → (abs‘(𝐹𝑡)) ≤ 𝑤)
262 simpllr 815 . . . . . . . . . . . . . . . . . . . 20 ((((((𝜑𝑗 ∈ (0..^𝑁)) ∧ 𝑤 ∈ ℝ) ∧ 𝑧 ∈ ℝ) ∧ ∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤) ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → 𝑧 ∈ ℝ)
263239, 262syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒𝑧 ∈ ℝ)
264149fveq1i 6230 . . . . . . . . . . . . . . . . . . . . . 22 ((ℝ D (𝐹𝐼))‘𝑡) = ((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘𝑡)
265264fveq2i 6232 . . . . . . . . . . . . . . . . . . . . 21 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) = (abs‘((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘𝑡))
266239simprd 478 . . . . . . . . . . . . . . . . . . . . . 22 (𝜒 → ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)
267266r19.21bi 2961 . . . . . . . . . . . . . . . . . . . . 21 ((𝜒𝑡𝐼) → (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)
268265, 267syl5eqbrr 4721 . . . . . . . . . . . . . . . . . . . 20 ((𝜒𝑡𝐼) → (abs‘((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘𝑡)) ≤ 𝑧)
269259, 268sylan2 490 . . . . . . . . . . . . . . . . . . 19 ((𝜒𝑡 ∈ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))) → (abs‘((ℝ D (𝐹 ↾ ((𝑋 + (𝑆𝑗))(,)(𝑋 + (𝑆‘(𝑗 + 1))))))‘𝑡)) ≤ 𝑧)
270241, 91syl 17 . . . . . . . . . . . . . . . . . . 19 (𝜒𝐶 ∈ ℝ)
271242, 243, 246, 247, 249, 251, 253, 254, 256, 261, 263, 269, 270, 75fourierdlem68 40709 . . . . . . . . . . . . . . . . . 18 (𝜒 → (dom (ℝ D 𝑌) = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ∧ ∃𝑦 ∈ ℝ ∀𝑠 ∈ dom (ℝ D 𝑌)(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
272271simprd 478 . . . . . . . . . . . . . . . . 17 (𝜒 → ∃𝑦 ∈ ℝ ∀𝑠 ∈ dom (ℝ D 𝑌)(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦)
273271simpld 474 . . . . . . . . . . . . . . . . . . 19 (𝜒 → dom (ℝ D 𝑌) = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
274273raleqdv 3174 . . . . . . . . . . . . . . . . . 18 (𝜒 → (∀𝑠 ∈ dom (ℝ D 𝑌)(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦 ↔ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
275274rexbidv 3081 . . . . . . . . . . . . . . . . 17 (𝜒 → (∃𝑦 ∈ ℝ ∀𝑠 ∈ dom (ℝ D 𝑌)(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦 ↔ ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
276272, 275mpbid 222 . . . . . . . . . . . . . . . 16 (𝜒 → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦)
277126eqcomi 2660 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) = ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
278277reseq2i 5425 . . . . . . . . . . . . . . . . . . . . . 22 ((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = ((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
279278fveq1i 6230 . . . . . . . . . . . . . . . . . . . . 21 (((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑠) = (((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠)
280 fvres 6245 . . . . . . . . . . . . . . . . . . . . . 22 (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → (((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑠) = ((ℝ D 𝑂)‘𝑠))
281280adantl 481 . . . . . . . . . . . . . . . . . . . . 21 ((𝜒𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (((ℝ D 𝑂) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑠) = ((ℝ D 𝑂)‘𝑠))
282245, 72syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝜒 → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ⊆ (𝐴[,]𝐵))
283282resmptd 5487 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝜒 → ((𝑠 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))) ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))))
28469, 283syl5eq 2697 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝜒 → (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) ↦ (((𝐹‘(𝑋 + 𝑠)) − 𝐶) / (2 · (sin‘(𝑠 / 2))))))
285284, 75syl6reqr 2704 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝜒𝑌 = (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
286285oveq2d 6706 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝜒 → (ℝ D 𝑌) = (ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
287286fveq1d 6231 . . . . . . . . . . . . . . . . . . . . . . 23 (𝜒 → ((ℝ D 𝑌)‘𝑠) = ((ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠))
288125fveq1d 6231 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝜑 → ((ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠) = (((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠))
289241, 288syl 17 . . . . . . . . . . . . . . . . . . . . . . 23 (𝜒 → ((ℝ D (𝑂 ↾ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠) = (((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠))
290287, 289eqtr2d 2686 . . . . . . . . . . . . . . . . . . . . . 22 (𝜒 → (((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠) = ((ℝ D 𝑌)‘𝑠))
291290adantr 480 . . . . . . . . . . . . . . . . . . . . 21 ((𝜒𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (((ℝ D 𝑂) ↾ ((int‘(topGen‘ran (,)))‘((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))‘𝑠) = ((ℝ D 𝑌)‘𝑠))
292279, 281, 2913eqtr3a 2709 . . . . . . . . . . . . . . . . . . . 20 ((𝜒𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ((ℝ D 𝑂)‘𝑠) = ((ℝ D 𝑌)‘𝑠))
293292fveq2d 6233 . . . . . . . . . . . . . . . . . . 19 ((𝜒𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (abs‘((ℝ D 𝑂)‘𝑠)) = (abs‘((ℝ D 𝑌)‘𝑠)))
294293breq1d 4695 . . . . . . . . . . . . . . . . . 18 ((𝜒𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ((abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ (abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
295294ralbidva 3014 . . . . . . . . . . . . . . . . 17 (𝜒 → (∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
296295rexbidv 3081 . . . . . . . . . . . . . . . 16 (𝜒 → (∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑌)‘𝑠)) ≤ 𝑦))
297276, 296mpbird 247 . . . . . . . . . . . . . . 15 (𝜒 → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
298238, 297syl 17 . . . . . . . . . . . . . 14 (((𝜑𝑗 ∈ (0..^𝑁)) ∧ (𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) ∧ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧)) → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
2992983exp 1283 . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (0..^𝑁)) → ((𝑤 ∈ ℝ ∧ 𝑧 ∈ ℝ) → ((∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)))
300299rexlimdvv 3066 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (0..^𝑁)) → (∃𝑤 ∈ ℝ ∃𝑧 ∈ ℝ (∀𝑡𝐼 (abs‘(𝐹𝑡)) ≤ 𝑤 ∧ ∀𝑡𝐼 (abs‘((ℝ D (𝐹𝐼))‘𝑡)) ≤ 𝑧) → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦))
301229, 300mpd 15 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (0..^𝑁)) → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
3023013adant3 1101 . . . . . . . . . 10 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
303 raleq 3168 . . . . . . . . . . . 12 (𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → (∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦))
3043033ad2ant3 1104 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦))
305304rexbidv 3081 . . . . . . . . . 10 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦 ↔ ∃𝑦 ∈ ℝ ∀𝑠 ∈ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦))
306302, 305mpbird 247 . . . . . . . . 9 ((𝜑𝑗 ∈ (0..^𝑁) ∧ 𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
3073063exp 1283 . . . . . . . 8 (𝜑 → (𝑗 ∈ (0..^𝑁) → (𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)))
308307adantr 480 . . . . . . 7 ((𝜑𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → (𝑗 ∈ (0..^𝑁) → (𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)))
309224, 225, 308rexlimd 3055 . . . . . 6 ((𝜑𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → (∃𝑗 ∈ (0..^𝑁)𝑟 = ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦))
310222, 309mpd 15 . . . . 5 ((𝜑𝑟 ∈ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
311215, 217, 310syl2anc 694 . . . 4 (((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) ∧ ¬ 𝑟 ∈ {(ran 𝑆 ∩ dom (ℝ D 𝑂))}) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
312214, 311pm2.61dan 849 . . 3 ((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
313180, 312sylan2 490 . 2 ((𝜑𝑟 ∈ ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))) → ∃𝑦 ∈ ℝ ∀𝑠𝑟 (abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑦)
314 pm3.22 464 . . . . . . . . . . . 12 ((𝑟 ∈ dom (ℝ D 𝑂) ∧ 𝑟 ∈ ran 𝑆) → (𝑟 ∈ ran 𝑆𝑟 ∈ dom (ℝ D 𝑂)))
315 elin 3829 . . . . . . . . . . . 12 (𝑟 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)) ↔ (𝑟 ∈ ran 𝑆𝑟 ∈ dom (ℝ D 𝑂)))
316314, 315sylibr 224 . . . . . . . . . . 11 ((𝑟 ∈ dom (ℝ D 𝑂) ∧ 𝑟 ∈ ran 𝑆) → 𝑟 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)))
317316adantll 750 . . . . . . . . . 10 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ 𝑟 ∈ ran 𝑆) → 𝑟 ∈ (ran 𝑆 ∩ dom (ℝ D 𝑂)))
31844eqcomd 2657 . . . . . . . . . . 11 (𝜑 → (ran 𝑆 ∩ dom (ℝ D 𝑂)) = {(ran 𝑆 ∩ dom (ℝ D 𝑂))})
319318ad2antrr 762 . . . . . . . . . 10 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ 𝑟 ∈ ran 𝑆) → (ran 𝑆 ∩ dom (ℝ D 𝑂)) = {(ran 𝑆 ∩ dom (ℝ D 𝑂))})
320317, 319eleqtrd 2732 . . . . . . . . 9 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ 𝑟 ∈ ran 𝑆) → 𝑟 {(ran 𝑆 ∩ dom (ℝ D 𝑂))})
321320orcd 406 . . . . . . . 8 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ 𝑟 ∈ ran 𝑆) → (𝑟 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
322 simpll 805 . . . . . . . . . . 11 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → 𝜑)
32378a1i 11 . . . . . . . . . . . . . 14 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → ℝ ⊆ ℂ)
324119adantr 480 . . . . . . . . . . . . . 14 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝑂:(𝐴[,]𝐵)⟶ℂ)
32584adantr 480 . . . . . . . . . . . . . . 15 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝐴 ∈ ℝ)
32685adantr 480 . . . . . . . . . . . . . . 15 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝐵 ∈ ℝ)
327325, 326iccssred 40045 . . . . . . . . . . . . . 14 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → (𝐴[,]𝐵) ⊆ ℝ)
328323, 324, 327dvbss 23710 . . . . . . . . . . . . 13 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → dom (ℝ D 𝑂) ⊆ (𝐴[,]𝐵))
329 simpr 476 . . . . . . . . . . . . 13 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝑟 ∈ dom (ℝ D 𝑂))
330328, 329sseldd 3637 . . . . . . . . . . . 12 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝑟 ∈ (𝐴[,]𝐵))
331330adantr 480 . . . . . . . . . . 11 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → 𝑟 ∈ (𝐴[,]𝐵))
332 simpr 476 . . . . . . . . . . 11 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ¬ 𝑟 ∈ ran 𝑆)
333 fourierdlem80.relioo . . . . . . . . . . . . 13 (((𝜑𝑟 ∈ (𝐴[,]𝐵)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))))
334 fveq2 6229 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑘 → (𝑆𝑗) = (𝑆𝑘))
335 oveq1 6697 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑘 → (𝑗 + 1) = (𝑘 + 1))
336335fveq2d 6233 . . . . . . . . . . . . . . . . 17 (𝑗 = 𝑘 → (𝑆‘(𝑗 + 1)) = (𝑆‘(𝑘 + 1)))
337334, 336oveq12d 6708 . . . . . . . . . . . . . . . 16 (𝑗 = 𝑘 → ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))) = ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))))
338 ovex 6718 . . . . . . . . . . . . . . . 16 ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))) ∈ V
339337, 18, 338fvmpt 6321 . . . . . . . . . . . . . . 15 (𝑘 ∈ (0..^𝑁) → ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘) = ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))))
340339eleq2d 2716 . . . . . . . . . . . . . 14 (𝑘 ∈ (0..^𝑁) → (𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘) ↔ 𝑟 ∈ ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1)))))
341340rexbiia 3069 . . . . . . . . . . . . 13 (∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘) ↔ ∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑆𝑘)(,)(𝑆‘(𝑘 + 1))))
342333, 341sylibr 224 . . . . . . . . . . . 12 (((𝜑𝑟 ∈ (𝐴[,]𝐵)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘))
34354, 18dmmpti 6061 . . . . . . . . . . . . 13 dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) = (0..^𝑁)
344343rexeqi 3173 . . . . . . . . . . . 12 (∃𝑘 ∈ dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘) ↔ ∃𝑘 ∈ (0..^𝑁)𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘))
345342, 344sylibr 224 . . . . . . . . . . 11 (((𝜑𝑟 ∈ (𝐴[,]𝐵)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ∃𝑘 ∈ dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘))
346322, 331, 332, 345syl21anc 1365 . . . . . . . . . 10 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → ∃𝑘 ∈ dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘))
347 funmpt 5964 . . . . . . . . . . 11 Fun (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))
348 elunirn 6549 . . . . . . . . . . 11 (Fun (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) → (𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ↔ ∃𝑘 ∈ dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘)))
349347, 348mp1i 13 . . . . . . . . . 10 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → (𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))) ↔ ∃𝑘 ∈ dom (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))𝑟 ∈ ((𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))‘𝑘)))
350346, 349mpbird 247 . . . . . . . . 9 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → 𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1)))))
351350olcd 407 . . . . . . . 8 (((𝜑𝑟 ∈ dom (ℝ D 𝑂)) ∧ ¬ 𝑟 ∈ ran 𝑆) → (𝑟 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
352321, 351pm2.61dan 849 . . . . . . 7 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → (𝑟 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
353 elun 3786 . . . . . . 7 (𝑟 ∈ ( {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ↔ (𝑟 {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∨ 𝑟 ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
354352, 353sylibr 224 . . . . . 6 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝑟 ∈ ( {(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
355354, 29syl6eleqr 2741 . . . . 5 ((𝜑𝑟 ∈ dom (ℝ D 𝑂)) → 𝑟 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
356355ralrimiva 2995 . . . 4 (𝜑 → ∀𝑟 ∈ dom (ℝ D 𝑂)𝑟 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
357 dfss3 3625 . . . 4 (dom (ℝ D 𝑂) ⊆ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))) ↔ ∀𝑟 ∈ dom (ℝ D 𝑂)𝑟 ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
358356, 357sylibr 224 . . 3 (𝜑 → dom (ℝ D 𝑂) ⊆ ({(ran 𝑆 ∩ dom (ℝ D 𝑂))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
359358, 26syl6sseqr 3685 . 2 (𝜑 → dom (ℝ D 𝑂) ⊆ ({(ran 𝑆 ∩ dom (ℝ D (𝑡 ∈ (𝐴[,]𝐵) ↦ (((𝐹‘(𝑋 + 𝑡)) − 𝐶) / (2 · (sin‘(𝑡 / 2)))))))} ∪ ran (𝑗 ∈ (0..^𝑁) ↦ ((𝑆𝑗)(,)(𝑆‘(𝑗 + 1))))))
36024, 178, 313, 359ssfiunibd 39837 1 (𝜑 → ∃𝑏 ∈ ℝ ∀𝑠 ∈ dom (ℝ D 𝑂)(abs‘((ℝ D 𝑂)‘𝑠)) ≤ 𝑏)
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 196  wo 382  wa 383  w3a 1054   = wceq 1523  wcel 2030  wne 2823  wral 2941  wrex 2942  Vcvv 3231  cun 3605  cin 3606  wss 3607  {csn 4210   cuni 4468   ciun 4552   class class class wbr 4685  cmpt 4762  dom cdm 5143  ran crn 5144  cres 5145  Fun wfun 5920  wf 5922  cfv 5926  (class class class)co 6690  Fincfn 7997  cc 9972  cr 9973  0cc0 9974  1c1 9975   + caddc 9977   · cmul 9979   < clt 10112  cle 10113  cmin 10304  -cneg 10305   / cdiv 10722  2c2 11108  (,)cioo 12213  [,]cicc 12216  ...cfz 12364  ..^cfzo 12504  cexp 12900  abscabs 14018  sincsin 14838  cosccos 14839  πcpi 14841  TopOpenctopn 16129  topGenctg 16145  fldccnfld 19794  intcnt 20869   D cdv 23672
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-rep 4804  ax-sep 4814  ax-nul 4822  ax-pow 4873  ax-pr 4936  ax-un 6991  ax-inf2 8576  ax-cnex 10030  ax-resscn 10031  ax-1cn 10032  ax-icn 10033  ax-addcl 10034  ax-addrcl 10035  ax-mulcl 10036  ax-mulrcl 10037  ax-mulcom 10038  ax-addass 10039  ax-mulass 10040  ax-distr 10041  ax-i2m1 10042  ax-1ne0 10043  ax-1rid 10044  ax-rnegex 10045  ax-rrecex 10046  ax-cnre 10047  ax-pre-lttri 10048  ax-pre-lttrn 10049  ax-pre-ltadd 10050  ax-pre-mulgt0 10051  ax-pre-sup 10052  ax-addf 10053  ax-mulf 10054
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1055  df-3an 1056  df-tru 1526  df-fal 1529  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ne 2824  df-nel 2927  df-ral 2946  df-rex 2947  df-reu 2948  df-rmo 2949  df-rab 2950  df-v 3233  df-sbc 3469  df-csb 3567  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-pss 3623  df-nul 3949  df-if 4120  df-pw 4193  df-sn 4211  df-pr 4213  df-tp 4215  df-op 4217  df-uni 4469  df-int 4508  df-iun 4554  df-iin 4555  df-br 4686  df-opab 4746  df-mpt 4763  df-tr 4786  df-id 5053  df-eprel 5058  df-po 5064  df-so 5065  df-fr 5102  df-se 5103  df-we 5104  df-xp 5149  df-rel 5150  df-cnv 5151  df-co 5152  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156  df-pred 5718  df-ord 5764  df-on 5765  df-lim 5766  df-suc 5767  df-iota 5889  df-fun 5928  df-fn 5929  df-f 5930  df-f1 5931  df-fo 5932  df-f1o 5933  df-fv 5934  df-isom 5935  df-riota 6651  df-ov 6693  df-oprab 6694  df-mpt2 6695  df-of 6939  df-om 7108  df-1st 7210  df-2nd 7211  df-supp 7341  df-wrecs 7452  df-recs 7513  df-rdg 7551  df-1o 7605  df-2o 7606  df-oadd 7609  df-er 7787  df-map 7901  df-pm 7902  df-ixp 7951  df-en 7998  df-dom 7999  df-sdom 8000  df-fin 8001  df-fsupp 8317  df-fi 8358  df-sup 8389  df-inf 8390  df-oi 8456  df-card 8803  df-cda 9028  df-pnf 10114  df-mnf 10115  df-xr 10116  df-ltxr 10117  df-le 10118  df-sub 10306  df-neg 10307  df-div 10723  df-nn 11059  df-2 11117  df-3 11118  df-4 11119  df-5 11120  df-6 11121  df-7 11122  df-8 11123  df-9 11124  df-n0 11331  df-z 11416  df-dec 11532  df-uz 11726  df-q 11827  df-rp 11871  df-xneg 11984  df-xadd 11985  df-xmul 11986  df-ioo 12217  df-ioc 12218  df-ico 12219  df-icc 12220  df-fz 12365  df-fzo 12505  df-fl 12633  df-mod 12709  df-seq 12842  df-exp 12901  df-fac 13101  df-bc 13130  df-hash 13158  df-shft 13851  df-cj 13883  df-re 13884  df-im 13885  df-sqrt 14019  df-abs 14020  df-limsup 14246  df-clim 14263  df-rlim 14264  df-sum 14461  df-ef 14842  df-sin 14844  df-cos 14845  df-pi 14847  df-struct 15906  df-ndx 15907  df-slot 15908  df-base 15910  df-sets 15911  df-ress 15912  df-plusg 16001  df-mulr 16002  df-starv 16003  df-sca 16004  df-vsca 16005  df-ip 16006  df-tset 16007  df-ple 16008  df-ds 16011  df-unif 16012  df-hom 16013  df-cco 16014  df-rest 16130  df-topn 16131  df-0g 16149  df-gsum 16150  df-topgen 16151  df-pt 16152  df-prds 16155  df-xrs 16209  df-qtop 16214  df-imas 16215  df-xps 16217  df-mre 16293  df-mrc 16294  df-acs 16296  df-mgm 17289  df-sgrp 17331  df-mnd 17342  df-submnd 17383  df-mulg 17588  df-cntz 17796  df-cmn 18241  df-psmet 19786  df-xmet 19787  df-met 19788  df-bl 19789  df-mopn 19790  df-fbas 19791  df-fg 19792  df-cnfld 19795  df-top 20747  df-topon 20764  df-topsp 20785  df-bases 20798  df-cld 20871  df-ntr 20872  df-cls 20873  df-nei 20950  df-lp 20988  df-perf 20989  df-cn 21079  df-cnp 21080  df-t1 21166  df-haus 21167  df-cmp 21238  df-tx 21413  df-hmeo 21606  df-fil 21697  df-fm 21789  df-flim 21790  df-flf 21791  df-xms 22172  df-ms 22173  df-tms 22174  df-cncf 22728  df-limc 23675  df-dv 23676
This theorem is referenced by:  fourierdlem103  40744  fourierdlem104  40745
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