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Theorem ovnhoilem2 41459
Description: The Lebesgue outer measure of a multidimensional half-open interval is less than or equal to the product of its length in each dimension. Second part of the proof of Proposition 115D (b) of [Fremlin1] p. 30. (Contributed by Glauco Siliprandi, 21-Nov-2020.)
Hypotheses
Ref Expression
ovnhoilem2.x (𝜑𝑋 ∈ Fin)
ovnhoilem2.n (𝜑𝑋 ≠ ∅)
ovnhoilem2.a (𝜑𝐴:𝑋⟶ℝ)
ovnhoilem2.b (𝜑𝐵:𝑋⟶ℝ)
ovnhoilem2.i 𝐼 = X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘))
ovnhoilem2.l 𝐿 = (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑𝑚 𝑥), 𝑏 ∈ (ℝ ↑𝑚 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘𝑥 (vol‘((𝑎𝑘)[,)(𝑏𝑘))))))
ovnhoilem2.m 𝑀 = {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))}
ovnhoilem2.f 𝐹 = (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ↦ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))))
ovnhoilem2.s 𝑆 = (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ↦ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))))
Assertion
Ref Expression
ovnhoilem2 (𝜑 → (𝐴(𝐿𝑋)𝐵) ≤ ((voln*‘𝑋)‘𝐼))
Distinct variable groups:   𝐴,𝑎,𝑏,𝑖,𝑘,𝑧   𝐵,𝑎,𝑏,𝑖,𝑘,𝑧   𝑘,𝐹,𝑛   𝐼,𝑎,𝑏,𝑖,𝑛,𝑥,𝑧   𝐿,𝑎,𝑏,𝑖,𝑛,𝑥,𝑧   𝑖,𝑀,𝑧   𝑆,𝑘,𝑛   𝑋,𝑎,𝑏,𝑖,𝑗,𝑘,𝑙,𝑛   𝑥,𝑋,𝑧,𝑗,𝑘   𝜑,𝑎,𝑏,𝑖,𝑘,𝑙,𝑛   𝜑,𝑥,𝑧
Allowed substitution hints:   𝜑(𝑗)   𝐴(𝑥,𝑗,𝑛,𝑙)   𝐵(𝑥,𝑗,𝑛,𝑙)   𝑆(𝑥,𝑧,𝑖,𝑗,𝑎,𝑏,𝑙)   𝐹(𝑥,𝑧,𝑖,𝑗,𝑎,𝑏,𝑙)   𝐼(𝑗,𝑘,𝑙)   𝐿(𝑗,𝑘,𝑙)   𝑀(𝑥,𝑗,𝑘,𝑛,𝑎,𝑏,𝑙)

Proof of Theorem ovnhoilem2
StepHypRef Expression
1 ovnhoilem2.m . . . . . . . . . 10 𝑀 = {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))}
21eleq2i 2836 . . . . . . . . 9 (𝑧𝑀𝑧 ∈ {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))})
3 rabid 3263 . . . . . . . . 9 (𝑧 ∈ {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))} ↔ (𝑧 ∈ ℝ* ∧ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))))
42, 3bitri 266 . . . . . . . 8 (𝑧𝑀 ↔ (𝑧 ∈ ℝ* ∧ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))))
54biimpi 207 . . . . . . 7 (𝑧𝑀 → (𝑧 ∈ ℝ* ∧ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))))
65simprd 489 . . . . . 6 (𝑧𝑀 → ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))))
76adantl 473 . . . . 5 ((𝜑𝑧𝑀) → ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))))
8 ovnhoilem2.l . . . . . . . . . 10 𝐿 = (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑𝑚 𝑥), 𝑏 ∈ (ℝ ↑𝑚 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘𝑥 (vol‘((𝑎𝑘)[,)(𝑏𝑘))))))
9 ovnhoilem2.x . . . . . . . . . . 11 (𝜑𝑋 ∈ Fin)
1093ad2ant1 1163 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → 𝑋 ∈ Fin)
11 ovnhoilem2.a . . . . . . . . . . 11 (𝜑𝐴:𝑋⟶ℝ)
12113ad2ant1 1163 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → 𝐴:𝑋⟶ℝ)
13 ovnhoilem2.b . . . . . . . . . . 11 (𝜑𝐵:𝑋⟶ℝ)
14133ad2ant1 1163 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → 𝐵:𝑋⟶ℝ)
15 elmapi 8084 . . . . . . . . . . . . . . . . . . 19 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑖:ℕ⟶((ℝ × ℝ) ↑𝑚 𝑋))
1615ffvelrnda 6551 . . . . . . . . . . . . . . . . . 18 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑖𝑛) ∈ ((ℝ × ℝ) ↑𝑚 𝑋))
17 elmapi 8084 . . . . . . . . . . . . . . . . . 18 ((𝑖𝑛) ∈ ((ℝ × ℝ) ↑𝑚 𝑋) → (𝑖𝑛):𝑋⟶(ℝ × ℝ))
1816, 17syl 17 . . . . . . . . . . . . . . . . 17 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑖𝑛):𝑋⟶(ℝ × ℝ))
1918ffvelrnda 6551 . . . . . . . . . . . . . . . 16 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → ((𝑖𝑛)‘𝑙) ∈ (ℝ × ℝ))
20 xp1st 7400 . . . . . . . . . . . . . . . 16 (((𝑖𝑛)‘𝑙) ∈ (ℝ × ℝ) → (1st ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
2119, 20syl 17 . . . . . . . . . . . . . . 15 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → (1st ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
2221fmpttd 6577 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ)
23 reex 10282 . . . . . . . . . . . . . . . 16 ℝ ∈ V
2423a1i 11 . . . . . . . . . . . . . . 15 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ℝ ∈ V)
25 1nn 11289 . . . . . . . . . . . . . . . . . . 19 1 ∈ ℕ
2625a1i 11 . . . . . . . . . . . . . . . . . 18 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 1 ∈ ℕ)
2715, 26ffvelrnd 6552 . . . . . . . . . . . . . . . . 17 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑖‘1) ∈ ((ℝ × ℝ) ↑𝑚 𝑋))
28 elmapex 8083 . . . . . . . . . . . . . . . . . 18 ((𝑖‘1) ∈ ((ℝ × ℝ) ↑𝑚 𝑋) → ((ℝ × ℝ) ∈ V ∧ 𝑋 ∈ V))
2928simprd 489 . . . . . . . . . . . . . . . . 17 ((𝑖‘1) ∈ ((ℝ × ℝ) ↑𝑚 𝑋) → 𝑋 ∈ V)
3027, 29syl 17 . . . . . . . . . . . . . . . 16 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑋 ∈ V)
3130adantr 472 . . . . . . . . . . . . . . 15 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → 𝑋 ∈ V)
32 elmapg 8075 . . . . . . . . . . . . . . 15 ((ℝ ∈ V ∧ 𝑋 ∈ V) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋) ↔ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ))
3324, 31, 32syl2anc 579 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋) ↔ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ))
3422, 33mpbird 248 . . . . . . . . . . . . 13 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋))
3534fmpttd 6577 . . . . . . . . . . . 12 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))):ℕ⟶(ℝ ↑𝑚 𝑋))
36 id 22 . . . . . . . . . . . . . 14 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ))
37 nnex 11283 . . . . . . . . . . . . . . . 16 ℕ ∈ V
3837mptex 6681 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))) ∈ V
3938a1i 11 . . . . . . . . . . . . . 14 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))) ∈ V)
40 ovnhoilem2.f . . . . . . . . . . . . . . 15 𝐹 = (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ↦ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))))
4140fvmpt2 6482 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))) ∈ V) → (𝐹𝑖) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))))
4236, 39, 41syl2anc 579 . . . . . . . . . . . . 13 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝐹𝑖) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))))
4342feq1d 6210 . . . . . . . . . . . 12 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → ((𝐹𝑖):ℕ⟶(ℝ ↑𝑚 𝑋) ↔ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))):ℕ⟶(ℝ ↑𝑚 𝑋)))
4435, 43mpbird 248 . . . . . . . . . . 11 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝐹𝑖):ℕ⟶(ℝ ↑𝑚 𝑋))
45443ad2ant2 1164 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → (𝐹𝑖):ℕ⟶(ℝ ↑𝑚 𝑋))
46 xp2nd 7401 . . . . . . . . . . . . . . . 16 (((𝑖𝑛)‘𝑙) ∈ (ℝ × ℝ) → (2nd ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
4719, 46syl 17 . . . . . . . . . . . . . . 15 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → (2nd ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
4847fmpttd 6577 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ)
49 elmapg 8075 . . . . . . . . . . . . . . 15 ((ℝ ∈ V ∧ 𝑋 ∈ V) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋) ↔ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ))
5024, 31, 49syl2anc 579 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋) ↔ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ))
5148, 50mpbird 248 . . . . . . . . . . . . 13 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ (ℝ ↑𝑚 𝑋))
5251fmpttd 6577 . . . . . . . . . . . 12 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))):ℕ⟶(ℝ ↑𝑚 𝑋))
5337mptex 6681 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))) ∈ V
5453a1i 11 . . . . . . . . . . . . . 14 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))) ∈ V)
55 ovnhoilem2.s . . . . . . . . . . . . . . 15 𝑆 = (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ↦ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))))
5655fvmpt2 6482 . . . . . . . . . . . . . 14 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))) ∈ V) → (𝑆𝑖) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))))
5736, 54, 56syl2anc 579 . . . . . . . . . . . . 13 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑆𝑖) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))))
5857feq1d 6210 . . . . . . . . . . . 12 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → ((𝑆𝑖):ℕ⟶(ℝ ↑𝑚 𝑋) ↔ (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))):ℕ⟶(ℝ ↑𝑚 𝑋)))
5952, 58mpbird 248 . . . . . . . . . . 11 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑆𝑖):ℕ⟶(ℝ ↑𝑚 𝑋))
60593ad2ant2 1164 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → (𝑆𝑖):ℕ⟶(ℝ ↑𝑚 𝑋))
61 simp3 1168 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘)) → 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘))
62 ovnhoilem2.i . . . . . . . . . . . . . 14 𝐼 = X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘))
6362a1i 11 . . . . . . . . . . . . 13 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘)) → 𝐼 = X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)))
64 fveq2 6377 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 = 𝑛 → (𝑖𝑗) = (𝑖𝑛))
6564fveq1d 6379 . . . . . . . . . . . . . . . . . . . . 21 (𝑗 = 𝑛 → ((𝑖𝑗)‘𝑘) = ((𝑖𝑛)‘𝑘))
6665fveq2d 6381 . . . . . . . . . . . . . . . . . . . 20 (𝑗 = 𝑛 → (1st ‘((𝑖𝑗)‘𝑘)) = (1st ‘((𝑖𝑛)‘𝑘)))
6765fveq2d 6381 . . . . . . . . . . . . . . . . . . . 20 (𝑗 = 𝑛 → (2nd ‘((𝑖𝑗)‘𝑘)) = (2nd ‘((𝑖𝑛)‘𝑘)))
6866, 67oveq12d 6862 . . . . . . . . . . . . . . . . . . 19 (𝑗 = 𝑛 → ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))) = ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
6968ixpeq2dv 8131 . . . . . . . . . . . . . . . . . 18 (𝑗 = 𝑛X𝑘𝑋 ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))) = X𝑘𝑋 ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
7069cbviunv 4717 . . . . . . . . . . . . . . . . 17 𝑗 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))) = 𝑛 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘)))
7170a1i 11 . . . . . . . . . . . . . . . 16 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑗 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))) = 𝑛 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
7215ffvelrnda 6551 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) → (𝑖𝑗) ∈ ((ℝ × ℝ) ↑𝑚 𝑋))
73 elmapi 8084 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖𝑗) ∈ ((ℝ × ℝ) ↑𝑚 𝑋) → (𝑖𝑗):𝑋⟶(ℝ × ℝ))
7472, 73syl 17 . . . . . . . . . . . . . . . . . . . 20 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) → (𝑖𝑗):𝑋⟶(ℝ × ℝ))
7574adantr 472 . . . . . . . . . . . . . . . . . . 19 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) ∧ 𝑘𝑋) → (𝑖𝑗):𝑋⟶(ℝ × ℝ))
76 simpr 477 . . . . . . . . . . . . . . . . . . 19 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) ∧ 𝑘𝑋) → 𝑘𝑋)
7775, 76fvovco 40031 . . . . . . . . . . . . . . . . . 18 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) ∧ 𝑘𝑋) → (([,) ∘ (𝑖𝑗))‘𝑘) = ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))
7877ixpeq2dva 8130 . . . . . . . . . . . . . . . . 17 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) → X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) = X𝑘𝑋 ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))
7978iuneq2dv 4700 . . . . . . . . . . . . . . . 16 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) = 𝑗 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))
80 simpl 474 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → 𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ))
8138a1i 11 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))) ∈ V)
8280, 81, 41syl2anc 579 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝐹𝑖) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))))
8382fveq1d 6379 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝐹𝑖)‘𝑛) = ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))‘𝑛))
84 simpr 477 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℕ)
85 mptexg 6679 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑋 ∈ V → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ V)
8630, 85syl 17 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ V)
8786adantr 472 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ V)
88 eqid 2765 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
8988fvmpt2 6482 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑛 ∈ ℕ ∧ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) ∈ V) → ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))‘𝑛) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
9084, 87, 89syl2anc 579 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))‘𝑛) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
9183, 90eqtrd 2799 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝐹𝑖)‘𝑛) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
9291fveq1d 6379 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (((𝐹𝑖)‘𝑛)‘𝑘) = ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘))
9392adantr 472 . . . . . . . . . . . . . . . . . . . 20 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → (((𝐹𝑖)‘𝑛)‘𝑘) = ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘))
94 eqidd 2766 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
95 simpr 477 . . . . . . . . . . . . . . . . . . . . . . . 24 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) ∧ 𝑙 = 𝑘) → 𝑙 = 𝑘)
9695fveq2d 6381 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) ∧ 𝑙 = 𝑘) → ((𝑖𝑛)‘𝑙) = ((𝑖𝑛)‘𝑘))
9796fveq2d 6381 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) ∧ 𝑙 = 𝑘) → (1st ‘((𝑖𝑛)‘𝑙)) = (1st ‘((𝑖𝑛)‘𝑘)))
98 simpr 477 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → 𝑘𝑋)
99 fvexd 6392 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → (1st ‘((𝑖𝑛)‘𝑘)) ∈ V)
10094, 97, 98, 99fvmptd 6479 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (1st ‘((𝑖𝑛)‘𝑘)))
101100adantlr 706 . . . . . . . . . . . . . . . . . . . 20 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (1st ‘((𝑖𝑛)‘𝑘)))
10293, 101eqtrd 2799 . . . . . . . . . . . . . . . . . . 19 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → (((𝐹𝑖)‘𝑛)‘𝑘) = (1st ‘((𝑖𝑛)‘𝑘)))
10357fveq1d 6379 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → ((𝑆𝑖)‘𝑛) = ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))‘𝑛))
104103adantr 472 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑆𝑖)‘𝑛) = ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))‘𝑛))
105 mptexg 6679 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑋 ∈ V → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ V)
10630, 105syl 17 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ V)
107106adantr 472 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ V)
108 eqid 2765 . . . . . . . . . . . . . . . . . . . . . . . . 25 (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))) = (𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
109108fvmpt2 6482 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑛 ∈ ℕ ∧ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) ∈ V) → ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))‘𝑛) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
11084, 107, 109syl2anc 579 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑛 ∈ ℕ ↦ (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))‘𝑛) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
111104, 110eqtrd 2799 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → ((𝑆𝑖)‘𝑛) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
112111fveq1d 6379 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (((𝑆𝑖)‘𝑛)‘𝑘) = ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))
113112adantr 472 . . . . . . . . . . . . . . . . . . . 20 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → (((𝑆𝑖)‘𝑛)‘𝑘) = ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))
114 eqidd 2766 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
115 2fveq3 6382 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑙 = 𝑘 → (2nd ‘((𝑖𝑛)‘𝑙)) = (2nd ‘((𝑖𝑛)‘𝑘)))
116115adantl 473 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) ∧ 𝑙 = 𝑘) → (2nd ‘((𝑖𝑛)‘𝑙)) = (2nd ‘((𝑖𝑛)‘𝑘)))
117 fvexd 6392 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → (2nd ‘((𝑖𝑛)‘𝑘)) ∈ V)
118114, 116, 98, 117fvmptd 6479 . . . . . . . . . . . . . . . . . . . . 21 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑘𝑋) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (2nd ‘((𝑖𝑛)‘𝑘)))
119118adantlr 706 . . . . . . . . . . . . . . . . . . . 20 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (2nd ‘((𝑖𝑛)‘𝑘)))
120113, 119eqtrd 2799 . . . . . . . . . . . . . . . . . . 19 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → (((𝑆𝑖)‘𝑛)‘𝑘) = (2nd ‘((𝑖𝑛)‘𝑘)))
121102, 120oveq12d 6862 . . . . . . . . . . . . . . . . . 18 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) ∧ 𝑘𝑋) → ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)) = ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
122121ixpeq2dva 8130 . . . . . . . . . . . . . . . . 17 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)) = X𝑘𝑋 ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
123122iuneq2dv 4700 . . . . . . . . . . . . . . . 16 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)) = 𝑛 ∈ ℕ X𝑘𝑋 ((1st ‘((𝑖𝑛)‘𝑘))[,)(2nd ‘((𝑖𝑛)‘𝑘))))
12471, 79, 1233eqtr4d 2809 . . . . . . . . . . . . . . 15 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) = 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)))
125124adantl 473 . . . . . . . . . . . . . 14 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) → 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) = 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)))
1261253adant3 1162 . . . . . . . . . . . . 13 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘)) → 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) = 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)))
12763, 126sseq12d 3796 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘)) → (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ↔ X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)) ⊆ 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘))))
12861, 127mpbid 223 . . . . . . . . . . 11 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘)) → X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)) ⊆ 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)))
1291283adant3r 1231 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)) ⊆ 𝑛 ∈ ℕ X𝑘𝑋 ((((𝐹𝑖)‘𝑛)‘𝑘)[,)(((𝑆𝑖)‘𝑛)‘𝑘)))
1308, 10, 12, 14, 45, 60, 129hoidmvle 41457 . . . . . . . . 9 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → (𝐴(𝐿𝑋)𝐵) ≤ (Σ^‘(𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)))))
131 simpl 474 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝑛 = 𝑗𝑙𝑋) → 𝑛 = 𝑗)
132131fveq2d 6381 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑛 = 𝑗𝑙𝑋) → (𝑖𝑛) = (𝑖𝑗))
133132fveq1d 6379 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑛 = 𝑗𝑙𝑋) → ((𝑖𝑛)‘𝑙) = ((𝑖𝑗)‘𝑙))
134133fveq2d 6381 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑛 = 𝑗𝑙𝑋) → (1st ‘((𝑖𝑛)‘𝑙)) = (1st ‘((𝑖𝑗)‘𝑙)))
135134mpteq2dva 4905 . . . . . . . . . . . . . . . . . . . . . 22 (𝑛 = 𝑗 → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙))))
136135fveq1d 6379 . . . . . . . . . . . . . . . . . . . . 21 (𝑛 = 𝑗 → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘) = ((𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙)))‘𝑘))
137136adantr 472 . . . . . . . . . . . . . . . . . . . 20 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘) = ((𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙)))‘𝑘))
138 eqidd 2766 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘𝑋 → (𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙))) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙))))
139 2fveq3 6382 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑙 = 𝑘 → (1st ‘((𝑖𝑗)‘𝑙)) = (1st ‘((𝑖𝑗)‘𝑘)))
140139adantl 473 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑘𝑋𝑙 = 𝑘) → (1st ‘((𝑖𝑗)‘𝑙)) = (1st ‘((𝑖𝑗)‘𝑘)))
141 id 22 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘𝑋𝑘𝑋)
142 fvexd 6392 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘𝑋 → (1st ‘((𝑖𝑗)‘𝑘)) ∈ V)
143138, 140, 141, 142fvmptd 6479 . . . . . . . . . . . . . . . . . . . . 21 (𝑘𝑋 → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙)))‘𝑘) = (1st ‘((𝑖𝑗)‘𝑘)))
144143adantl 473 . . . . . . . . . . . . . . . . . . . 20 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑗)‘𝑙)))‘𝑘) = (1st ‘((𝑖𝑗)‘𝑘)))
145137, 144eqtrd 2799 . . . . . . . . . . . . . . . . . . 19 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (1st ‘((𝑖𝑗)‘𝑘)))
146133fveq2d 6381 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑛 = 𝑗𝑙𝑋) → (2nd ‘((𝑖𝑛)‘𝑙)) = (2nd ‘((𝑖𝑗)‘𝑙)))
147146mpteq2dva 4905 . . . . . . . . . . . . . . . . . . . . . 22 (𝑛 = 𝑗 → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙))))
148147fveq1d 6379 . . . . . . . . . . . . . . . . . . . . 21 (𝑛 = 𝑗 → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘) = ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙)))‘𝑘))
149148adantr 472 . . . . . . . . . . . . . . . . . . . 20 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘) = ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙)))‘𝑘))
150 eqidd 2766 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘𝑋 → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙))) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙))))
151 2fveq3 6382 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑙 = 𝑘 → (2nd ‘((𝑖𝑗)‘𝑙)) = (2nd ‘((𝑖𝑗)‘𝑘)))
152151adantl 473 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑘𝑋𝑙 = 𝑘) → (2nd ‘((𝑖𝑗)‘𝑙)) = (2nd ‘((𝑖𝑗)‘𝑘)))
153 fvexd 6392 . . . . . . . . . . . . . . . . . . . . . 22 (𝑘𝑋 → (2nd ‘((𝑖𝑗)‘𝑘)) ∈ V)
154150, 152, 141, 153fvmptd 6479 . . . . . . . . . . . . . . . . . . . . 21 (𝑘𝑋 → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙)))‘𝑘) = (2nd ‘((𝑖𝑗)‘𝑘)))
155154adantl 473 . . . . . . . . . . . . . . . . . . . 20 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑗)‘𝑙)))‘𝑘) = (2nd ‘((𝑖𝑗)‘𝑘)))
156149, 155eqtrd 2799 . . . . . . . . . . . . . . . . . . 19 ((𝑛 = 𝑗𝑘𝑋) → ((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘) = (2nd ‘((𝑖𝑗)‘𝑘)))
157145, 156oveq12d 6862 . . . . . . . . . . . . . . . . . 18 ((𝑛 = 𝑗𝑘𝑋) → (((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘)) = ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))
158157fveq2d 6381 . . . . . . . . . . . . . . . . 17 ((𝑛 = 𝑗𝑘𝑋) → (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))) = (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘)))))
159158prodeq2dv 14939 . . . . . . . . . . . . . . . 16 (𝑛 = 𝑗 → ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))) = ∏𝑘𝑋 (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘)))))
160159cbvmptv 4911 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘)))) = (𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘)))))
161160a1i 11 . . . . . . . . . . . . . 14 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘)))) = (𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))))
16277eqcomd 2771 . . . . . . . . . . . . . . . . 17 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) ∧ 𝑘𝑋) → ((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))) = (([,) ∘ (𝑖𝑗))‘𝑘))
163162fveq2d 6381 . . . . . . . . . . . . . . . 16 (((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) ∧ 𝑘𝑋) → (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘)))) = (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))
164163prodeq2dv 14939 . . . . . . . . . . . . . . 15 ((𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑗 ∈ ℕ) → ∏𝑘𝑋 (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘)))) = ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))
165164mpteq2dva 4905 . . . . . . . . . . . . . 14 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘((1st ‘((𝑖𝑗)‘𝑘))[,)(2nd ‘((𝑖𝑗)‘𝑘))))) = (𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))
166161, 165eqtrd 2799 . . . . . . . . . . . . 13 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘)))) = (𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))
167166fveq2d 6381 . . . . . . . . . . . 12 (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → (Σ^‘(𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))) = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))
1681673ad2ant2 1164 . . . . . . . . . . 11 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (Σ^‘(𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))) = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))
16991adantll 705 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → ((𝐹𝑖)‘𝑛) = (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))))
170111adantll 705 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → ((𝑆𝑖)‘𝑛) = (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))))
171169, 170oveq12d 6862 . . . . . . . . . . . . . . 15 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)) = ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))(𝐿𝑋)(𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))))
1729ad2antrr 717 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → 𝑋 ∈ Fin)
173 ovnhoilem2.n . . . . . . . . . . . . . . . . 17 (𝜑𝑋 ≠ ∅)
174173ad2antrr 717 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → 𝑋 ≠ ∅)
17519adantlll 709 . . . . . . . . . . . . . . . . . 18 ((((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → ((𝑖𝑛)‘𝑙) ∈ (ℝ × ℝ))
176175, 20syl 17 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → (1st ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
177176fmpttd 6577 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ)
178175, 46syl 17 . . . . . . . . . . . . . . . . 17 ((((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) ∧ 𝑙𝑋) → (2nd ‘((𝑖𝑛)‘𝑙)) ∈ ℝ)
179178fmpttd 6577 . . . . . . . . . . . . . . . 16 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → (𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙))):𝑋⟶ℝ)
1808, 172, 174, 177, 179hoidmvn0val 41441 . . . . . . . . . . . . . . 15 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → ((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))(𝐿𝑋)(𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))) = ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))
181171, 180eqtrd 2799 . . . . . . . . . . . . . 14 (((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) ∧ 𝑛 ∈ ℕ) → (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)) = ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))
182181mpteq2dva 4905 . . . . . . . . . . . . 13 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) → (𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛))) = (𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘)))))
183182fveq2d 6381 . . . . . . . . . . . 12 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)) → (Σ^‘(𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)))) = (Σ^‘(𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))))
1841833adant3 1162 . . . . . . . . . . 11 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (Σ^‘(𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)))) = (Σ^‘(𝑛 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(((𝑙𝑋 ↦ (1st ‘((𝑖𝑛)‘𝑙)))‘𝑘)[,)((𝑙𝑋 ↦ (2nd ‘((𝑖𝑛)‘𝑙)))‘𝑘))))))
185 simp3 1168 . . . . . . . . . . 11 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))
186168, 184, 1853eqtr4d 2809 . . . . . . . . . 10 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (Σ^‘(𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)))) = 𝑧)
1871863adant3l 1229 . . . . . . . . 9 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → (Σ^‘(𝑛 ∈ ℕ ↦ (((𝐹𝑖)‘𝑛)(𝐿𝑋)((𝑆𝑖)‘𝑛)))) = 𝑧)
188130, 187breqtrd 4837 . . . . . . . 8 ((𝜑𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) ∧ (𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))) → (𝐴(𝐿𝑋)𝐵) ≤ 𝑧)
1891883exp 1148 . . . . . . 7 (𝜑 → (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → ((𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (𝐴(𝐿𝑋)𝐵) ≤ 𝑧)))
190189adantr 472 . . . . . 6 ((𝜑𝑧𝑀) → (𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) → ((𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (𝐴(𝐿𝑋)𝐵) ≤ 𝑧)))
191190rexlimdv 3177 . . . . 5 ((𝜑𝑧𝑀) → (∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘))))) → (𝐴(𝐿𝑋)𝐵) ≤ 𝑧))
1927, 191mpd 15 . . . 4 ((𝜑𝑧𝑀) → (𝐴(𝐿𝑋)𝐵) ≤ 𝑧)
193192ralrimiva 3113 . . 3 (𝜑 → ∀𝑧𝑀 (𝐴(𝐿𝑋)𝐵) ≤ 𝑧)
194 ssrab2 3849 . . . . . 6 {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝐼 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))} ⊆ ℝ*
1951, 194eqsstri 3797 . . . . 5 𝑀 ⊆ ℝ*
196195a1i 11 . . . 4 (𝜑𝑀 ⊆ ℝ*)
197 icossxr 12463 . . . . 5 (0[,)+∞) ⊆ ℝ*
1988, 9, 11, 13hoidmvcl 41439 . . . . 5 (𝜑 → (𝐴(𝐿𝑋)𝐵) ∈ (0[,)+∞))
199197, 198sseldi 3761 . . . 4 (𝜑 → (𝐴(𝐿𝑋)𝐵) ∈ ℝ*)
200 infxrgelb 12370 . . . 4 ((𝑀 ⊆ ℝ* ∧ (𝐴(𝐿𝑋)𝐵) ∈ ℝ*) → ((𝐴(𝐿𝑋)𝐵) ≤ inf(𝑀, ℝ*, < ) ↔ ∀𝑧𝑀 (𝐴(𝐿𝑋)𝐵) ≤ 𝑧))
201196, 199, 200syl2anc 579 . . 3 (𝜑 → ((𝐴(𝐿𝑋)𝐵) ≤ inf(𝑀, ℝ*, < ) ↔ ∀𝑧𝑀 (𝐴(𝐿𝑋)𝐵) ≤ 𝑧))
202193, 201mpbird 248 . 2 (𝜑 → (𝐴(𝐿𝑋)𝐵) ≤ inf(𝑀, ℝ*, < ))
20362a1i 11 . . . . 5 (𝜑𝐼 = X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)))
204 nfv 2009 . . . . . 6 𝑘𝜑
20511ffvelrnda 6551 . . . . . 6 ((𝜑𝑘𝑋) → (𝐴𝑘) ∈ ℝ)
20613ffvelrnda 6551 . . . . . . 7 ((𝜑𝑘𝑋) → (𝐵𝑘) ∈ ℝ)
207206rexrd 10345 . . . . . 6 ((𝜑𝑘𝑋) → (𝐵𝑘) ∈ ℝ*)
208204, 205, 207hoissrrn2 41435 . . . . 5 (𝜑X𝑘𝑋 ((𝐴𝑘)[,)(𝐵𝑘)) ⊆ (ℝ ↑𝑚 𝑋))
209203, 208eqsstrd 3801 . . . 4 (𝜑𝐼 ⊆ (ℝ ↑𝑚 𝑋))
2109, 173, 209, 1ovnn0val 41408 . . 3 (𝜑 → ((voln*‘𝑋)‘𝐼) = inf(𝑀, ℝ*, < ))
211210eqcomd 2771 . 2 (𝜑 → inf(𝑀, ℝ*, < ) = ((voln*‘𝑋)‘𝐼))
212202, 211breqtrd 4837 1 (𝜑 → (𝐴(𝐿𝑋)𝐵) ≤ ((voln*‘𝑋)‘𝐼))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 197  wa 384  w3a 1107   = wceq 1652  wcel 2155  wne 2937  wral 3055  wrex 3056  {crab 3059  Vcvv 3350  wss 3734  c0 4081  ifcif 4245   ciun 4678   class class class wbr 4811  cmpt 4890   × cxp 5277  ccom 5283  wf 6066  cfv 6070  (class class class)co 6844  cmpt2 6846  1st c1st 7366  2nd c2nd 7367  𝑚 cmap 8062  Xcixp 8115  Fincfn 8162  infcinf 8556  cr 10190  0cc0 10191  1c1 10192  +∞cpnf 10327  *cxr 10329   < clt 10330  cle 10331  cn 11276  [,)cico 12382  cprod 14921  volcvol 23524  Σ^csumge0 41219  voln*covoln 41393
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1890  ax-4 1904  ax-5 2005  ax-6 2070  ax-7 2105  ax-8 2157  ax-9 2164  ax-10 2183  ax-11 2198  ax-12 2211  ax-13 2352  ax-ext 2743  ax-rep 4932  ax-sep 4943  ax-nul 4951  ax-pow 5003  ax-pr 5064  ax-un 7149  ax-inf2 8755  ax-cnex 10247  ax-resscn 10248  ax-1cn 10249  ax-icn 10250  ax-addcl 10251  ax-addrcl 10252  ax-mulcl 10253  ax-mulrcl 10254  ax-mulcom 10255  ax-addass 10256  ax-mulass 10257  ax-distr 10258  ax-i2m1 10259  ax-1ne0 10260  ax-1rid 10261  ax-rnegex 10262  ax-rrecex 10263  ax-cnre 10264  ax-pre-lttri 10265  ax-pre-lttrn 10266  ax-pre-ltadd 10267  ax-pre-mulgt0 10268  ax-pre-sup 10269
This theorem depends on definitions:  df-bi 198  df-an 385  df-or 874  df-3or 1108  df-3an 1109  df-tru 1656  df-fal 1666  df-ex 1875  df-nf 1879  df-sb 2063  df-mo 2565  df-eu 2582  df-clab 2752  df-cleq 2758  df-clel 2761  df-nfc 2896  df-ne 2938  df-nel 3041  df-ral 3060  df-rex 3061  df-reu 3062  df-rmo 3063  df-rab 3064  df-v 3352  df-sbc 3599  df-csb 3694  df-dif 3737  df-un 3739  df-in 3741  df-ss 3748  df-pss 3750  df-nul 4082  df-if 4246  df-pw 4319  df-sn 4337  df-pr 4339  df-tp 4341  df-op 4343  df-uni 4597  df-int 4636  df-iun 4680  df-br 4812  df-opab 4874  df-mpt 4891  df-tr 4914  df-id 5187  df-eprel 5192  df-po 5200  df-so 5201  df-fr 5238  df-se 5239  df-we 5240  df-xp 5285  df-rel 5286  df-cnv 5287  df-co 5288  df-dm 5289  df-rn 5290  df-res 5291  df-ima 5292  df-pred 5867  df-ord 5913  df-on 5914  df-lim 5915  df-suc 5916  df-iota 6033  df-fun 6072  df-fn 6073  df-f 6074  df-f1 6075  df-fo 6076  df-f1o 6077  df-fv 6078  df-isom 6079  df-riota 6805  df-ov 6847  df-oprab 6848  df-mpt2 6849  df-of 7097  df-om 7266  df-1st 7368  df-2nd 7369  df-wrecs 7612  df-recs 7674  df-rdg 7712  df-1o 7766  df-2o 7767  df-oadd 7770  df-er 7949  df-map 8064  df-pm 8065  df-ixp 8116  df-en 8163  df-dom 8164  df-sdom 8165  df-fin 8166  df-fi 8526  df-sup 8557  df-inf 8558  df-oi 8624  df-card 9018  df-cda 9245  df-pnf 10332  df-mnf 10333  df-xr 10334  df-ltxr 10335  df-le 10336  df-sub 10524  df-neg 10525  df-div 10941  df-nn 11277  df-2 11337  df-3 11338  df-n0 11541  df-z 11627  df-uz 11890  df-q 11993  df-rp 12032  df-xneg 12149  df-xadd 12150  df-xmul 12151  df-ioo 12384  df-ico 12386  df-icc 12387  df-fz 12537  df-fzo 12677  df-fl 12804  df-seq 13012  df-exp 13071  df-hash 13325  df-cj 14127  df-re 14128  df-im 14129  df-sqrt 14263  df-abs 14264  df-clim 14507  df-rlim 14508  df-sum 14705  df-prod 14922  df-rest 16352  df-topgen 16373  df-psmet 20014  df-xmet 20015  df-met 20016  df-bl 20017  df-mopn 20018  df-top 20981  df-topon 20998  df-bases 21033  df-cmp 21473  df-ovol 23525  df-vol 23526  df-sumge0 41220  df-ovoln 41394
This theorem is referenced by:  ovnhoi  41460
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