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Theorem ovoliunlem1 23470
 Description: Lemma for ovoliun 23473. (Contributed by Mario Carneiro, 12-Jun-2014.)
Hypotheses
Ref Expression
ovoliun.t 𝑇 = seq1( + , 𝐺)
ovoliun.g 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
ovoliun.a ((𝜑𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
ovoliun.v ((𝜑𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
ovoliun.r (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ)
ovoliun.b (𝜑𝐵 ∈ ℝ+)
ovoliun.s 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛)))
ovoliun.u 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
ovoliun.h 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))))
ovoliun.j (𝜑𝐽:ℕ–1-1-onto→(ℕ × ℕ))
ovoliun.f (𝜑𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
ovoliun.x1 ((𝜑𝑛 ∈ ℕ) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
ovoliun.x2 ((𝜑𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
ovoliun.k (𝜑𝐾 ∈ ℕ)
ovoliun.l1 (𝜑𝐿 ∈ ℤ)
ovoliun.l2 (𝜑 → ∀𝑤 ∈ (1...𝐾)(1st ‘(𝐽𝑤)) ≤ 𝐿)
Assertion
Ref Expression
ovoliunlem1 (𝜑 → (𝑈𝐾) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
Distinct variable groups:   𝐴,𝑘   𝑘,𝑛,𝐵   𝑘,𝐹,𝑛   𝑤,𝑘,𝐽,𝑛   𝑛,𝐾,𝑤   𝑘,𝐿,𝑛,𝑤   𝑛,𝐻   𝜑,𝑘,𝑛   𝑆,𝑘   𝑘,𝐺   𝑇,𝑘   𝑛,𝐺   𝑇,𝑛
Allowed substitution hints:   𝜑(𝑤)   𝐴(𝑤,𝑛)   𝐵(𝑤)   𝑆(𝑤,𝑛)   𝑇(𝑤)   𝑈(𝑤,𝑘,𝑛)   𝐹(𝑤)   𝐺(𝑤)   𝐻(𝑤,𝑘)   𝐾(𝑘)

Proof of Theorem ovoliunlem1
Dummy variables 𝑗 𝑚 𝑥 𝑦 𝑧 𝑖 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fveq2 6352 . . . . . . . . 9 (𝑗 = (𝐽𝑚) → (1st𝑗) = (1st ‘(𝐽𝑚)))
21fveq2d 6356 . . . . . . . 8 (𝑗 = (𝐽𝑚) → (𝐹‘(1st𝑗)) = (𝐹‘(1st ‘(𝐽𝑚))))
3 fveq2 6352 . . . . . . . 8 (𝑗 = (𝐽𝑚) → (2nd𝑗) = (2nd ‘(𝐽𝑚)))
42, 3fveq12d 6358 . . . . . . 7 (𝑗 = (𝐽𝑚) → ((𝐹‘(1st𝑗))‘(2nd𝑗)) = ((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))
54fveq2d 6356 . . . . . 6 (𝑗 = (𝐽𝑚) → (2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) = (2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))))
64fveq2d 6356 . . . . . 6 (𝑗 = (𝐽𝑚) → (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) = (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))))
75, 6oveq12d 6831 . . . . 5 (𝑗 = (𝐽𝑚) → ((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = ((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))))
8 fzfid 12966 . . . . 5 (𝜑 → (1...𝐾) ∈ Fin)
9 ovoliun.j . . . . . . 7 (𝜑𝐽:ℕ–1-1-onto→(ℕ × ℕ))
10 f1of1 6297 . . . . . . 7 (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → 𝐽:ℕ–1-1→(ℕ × ℕ))
119, 10syl 17 . . . . . 6 (𝜑𝐽:ℕ–1-1→(ℕ × ℕ))
12 elfznn 12563 . . . . . . 7 (𝑚 ∈ (1...𝐾) → 𝑚 ∈ ℕ)
1312ssriv 3748 . . . . . 6 (1...𝐾) ⊆ ℕ
14 f1ores 6312 . . . . . 6 ((𝐽:ℕ–1-1→(ℕ × ℕ) ∧ (1...𝐾) ⊆ ℕ) → (𝐽 ↾ (1...𝐾)):(1...𝐾)–1-1-onto→(𝐽 “ (1...𝐾)))
1511, 13, 14sylancl 697 . . . . 5 (𝜑 → (𝐽 ↾ (1...𝐾)):(1...𝐾)–1-1-onto→(𝐽 “ (1...𝐾)))
16 fvres 6368 . . . . . 6 (𝑚 ∈ (1...𝐾) → ((𝐽 ↾ (1...𝐾))‘𝑚) = (𝐽𝑚))
1716adantl 473 . . . . 5 ((𝜑𝑚 ∈ (1...𝐾)) → ((𝐽 ↾ (1...𝐾))‘𝑚) = (𝐽𝑚))
18 inss2 3977 . . . . . . . . 9 ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ × ℝ)
19 ovoliun.f . . . . . . . . . . . . 13 (𝜑𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
2019adantr 472 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
21 imassrn 5635 . . . . . . . . . . . . . . 15 (𝐽 “ (1...𝐾)) ⊆ ran 𝐽
22 f1of 6298 . . . . . . . . . . . . . . . . 17 (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → 𝐽:ℕ⟶(ℕ × ℕ))
239, 22syl 17 . . . . . . . . . . . . . . . 16 (𝜑𝐽:ℕ⟶(ℕ × ℕ))
24 frn 6214 . . . . . . . . . . . . . . . 16 (𝐽:ℕ⟶(ℕ × ℕ) → ran 𝐽 ⊆ (ℕ × ℕ))
2523, 24syl 17 . . . . . . . . . . . . . . 15 (𝜑 → ran 𝐽 ⊆ (ℕ × ℕ))
2621, 25syl5ss 3755 . . . . . . . . . . . . . 14 (𝜑 → (𝐽 “ (1...𝐾)) ⊆ (ℕ × ℕ))
2726sselda 3744 . . . . . . . . . . . . 13 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → 𝑗 ∈ (ℕ × ℕ))
28 xp1st 7365 . . . . . . . . . . . . 13 (𝑗 ∈ (ℕ × ℕ) → (1st𝑗) ∈ ℕ)
2927, 28syl 17 . . . . . . . . . . . 12 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (1st𝑗) ∈ ℕ)
3020, 29ffvelrnd 6523 . . . . . . . . . . 11 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (𝐹‘(1st𝑗)) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
31 reex 10219 . . . . . . . . . . . . . 14 ℝ ∈ V
3231, 31xpex 7127 . . . . . . . . . . . . 13 (ℝ × ℝ) ∈ V
3332inex2 4952 . . . . . . . . . . . 12 ( ≤ ∩ (ℝ × ℝ)) ∈ V
34 nnex 11218 . . . . . . . . . . . 12 ℕ ∈ V
3533, 34elmap 8052 . . . . . . . . . . 11 ((𝐹‘(1st𝑗)) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ) ↔ (𝐹‘(1st𝑗)):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
3630, 35sylib 208 . . . . . . . . . 10 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (𝐹‘(1st𝑗)):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
37 xp2nd 7366 . . . . . . . . . . 11 (𝑗 ∈ (ℕ × ℕ) → (2nd𝑗) ∈ ℕ)
3827, 37syl 17 . . . . . . . . . 10 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (2nd𝑗) ∈ ℕ)
3936, 38ffvelrnd 6523 . . . . . . . . 9 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → ((𝐹‘(1st𝑗))‘(2nd𝑗)) ∈ ( ≤ ∩ (ℝ × ℝ)))
4018, 39sseldi 3742 . . . . . . . 8 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → ((𝐹‘(1st𝑗))‘(2nd𝑗)) ∈ (ℝ × ℝ))
41 xp2nd 7366 . . . . . . . 8 (((𝐹‘(1st𝑗))‘(2nd𝑗)) ∈ (ℝ × ℝ) → (2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) ∈ ℝ)
4240, 41syl 17 . . . . . . 7 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) ∈ ℝ)
43 xp1st 7365 . . . . . . . 8 (((𝐹‘(1st𝑗))‘(2nd𝑗)) ∈ (ℝ × ℝ) → (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) ∈ ℝ)
4440, 43syl 17 . . . . . . 7 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) ∈ ℝ)
4542, 44resubcld 10650 . . . . . 6 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → ((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) ∈ ℝ)
4645recnd 10260 . . . . 5 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → ((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) ∈ ℂ)
477, 8, 15, 17, 46fsumf1o 14653 . . . 4 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = Σ𝑚 ∈ (1...𝐾)((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))))
4819adantr 472 . . . . . . . . . . 11 ((𝜑𝑘 ∈ ℕ) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
4923ffvelrnda 6522 . . . . . . . . . . . 12 ((𝜑𝑘 ∈ ℕ) → (𝐽𝑘) ∈ (ℕ × ℕ))
50 xp1st 7365 . . . . . . . . . . . 12 ((𝐽𝑘) ∈ (ℕ × ℕ) → (1st ‘(𝐽𝑘)) ∈ ℕ)
5149, 50syl 17 . . . . . . . . . . 11 ((𝜑𝑘 ∈ ℕ) → (1st ‘(𝐽𝑘)) ∈ ℕ)
5248, 51ffvelrnd 6523 . . . . . . . . . 10 ((𝜑𝑘 ∈ ℕ) → (𝐹‘(1st ‘(𝐽𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
5333, 34elmap 8052 . . . . . . . . . 10 ((𝐹‘(1st ‘(𝐽𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ) ↔ (𝐹‘(1st ‘(𝐽𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
5452, 53sylib 208 . . . . . . . . 9 ((𝜑𝑘 ∈ ℕ) → (𝐹‘(1st ‘(𝐽𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
55 xp2nd 7366 . . . . . . . . . 10 ((𝐽𝑘) ∈ (ℕ × ℕ) → (2nd ‘(𝐽𝑘)) ∈ ℕ)
5649, 55syl 17 . . . . . . . . 9 ((𝜑𝑘 ∈ ℕ) → (2nd ‘(𝐽𝑘)) ∈ ℕ)
5754, 56ffvelrnd 6523 . . . . . . . 8 ((𝜑𝑘 ∈ ℕ) → ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))) ∈ ( ≤ ∩ (ℝ × ℝ)))
58 ovoliun.h . . . . . . . 8 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))))
5957, 58fmptd 6548 . . . . . . 7 (𝜑𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
60 eqid 2760 . . . . . . . 8 ((abs ∘ − ) ∘ 𝐻) = ((abs ∘ − ) ∘ 𝐻)
6160ovolfsval 23439 . . . . . . 7 ((𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑚 ∈ ℕ) → (((abs ∘ − ) ∘ 𝐻)‘𝑚) = ((2nd ‘(𝐻𝑚)) − (1st ‘(𝐻𝑚))))
6259, 12, 61syl2an 495 . . . . . 6 ((𝜑𝑚 ∈ (1...𝐾)) → (((abs ∘ − ) ∘ 𝐻)‘𝑚) = ((2nd ‘(𝐻𝑚)) − (1st ‘(𝐻𝑚))))
6312adantl 473 . . . . . . . . 9 ((𝜑𝑚 ∈ (1...𝐾)) → 𝑚 ∈ ℕ)
64 fveq2 6352 . . . . . . . . . . . . 13 (𝑘 = 𝑚 → (𝐽𝑘) = (𝐽𝑚))
6564fveq2d 6356 . . . . . . . . . . . 12 (𝑘 = 𝑚 → (1st ‘(𝐽𝑘)) = (1st ‘(𝐽𝑚)))
6665fveq2d 6356 . . . . . . . . . . 11 (𝑘 = 𝑚 → (𝐹‘(1st ‘(𝐽𝑘))) = (𝐹‘(1st ‘(𝐽𝑚))))
6764fveq2d 6356 . . . . . . . . . . 11 (𝑘 = 𝑚 → (2nd ‘(𝐽𝑘)) = (2nd ‘(𝐽𝑚)))
6866, 67fveq12d 6358 . . . . . . . . . 10 (𝑘 = 𝑚 → ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))) = ((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))
69 fvex 6362 . . . . . . . . . 10 ((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))) ∈ V
7068, 58, 69fvmpt 6444 . . . . . . . . 9 (𝑚 ∈ ℕ → (𝐻𝑚) = ((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))
7163, 70syl 17 . . . . . . . 8 ((𝜑𝑚 ∈ (1...𝐾)) → (𝐻𝑚) = ((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))
7271fveq2d 6356 . . . . . . 7 ((𝜑𝑚 ∈ (1...𝐾)) → (2nd ‘(𝐻𝑚)) = (2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))))
7371fveq2d 6356 . . . . . . 7 ((𝜑𝑚 ∈ (1...𝐾)) → (1st ‘(𝐻𝑚)) = (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))))
7472, 73oveq12d 6831 . . . . . 6 ((𝜑𝑚 ∈ (1...𝐾)) → ((2nd ‘(𝐻𝑚)) − (1st ‘(𝐻𝑚))) = ((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))))
7562, 74eqtrd 2794 . . . . 5 ((𝜑𝑚 ∈ (1...𝐾)) → (((abs ∘ − ) ∘ 𝐻)‘𝑚) = ((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))))
76 ovoliun.k . . . . . 6 (𝜑𝐾 ∈ ℕ)
77 nnuz 11916 . . . . . 6 ℕ = (ℤ‘1)
7876, 77syl6eleq 2849 . . . . 5 (𝜑𝐾 ∈ (ℤ‘1))
79 ffvelrn 6520 . . . . . . . . . . 11 ((𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑚 ∈ ℕ) → (𝐻𝑚) ∈ ( ≤ ∩ (ℝ × ℝ)))
8059, 12, 79syl2an 495 . . . . . . . . . 10 ((𝜑𝑚 ∈ (1...𝐾)) → (𝐻𝑚) ∈ ( ≤ ∩ (ℝ × ℝ)))
8118, 80sseldi 3742 . . . . . . . . 9 ((𝜑𝑚 ∈ (1...𝐾)) → (𝐻𝑚) ∈ (ℝ × ℝ))
82 xp2nd 7366 . . . . . . . . 9 ((𝐻𝑚) ∈ (ℝ × ℝ) → (2nd ‘(𝐻𝑚)) ∈ ℝ)
8381, 82syl 17 . . . . . . . 8 ((𝜑𝑚 ∈ (1...𝐾)) → (2nd ‘(𝐻𝑚)) ∈ ℝ)
84 xp1st 7365 . . . . . . . . 9 ((𝐻𝑚) ∈ (ℝ × ℝ) → (1st ‘(𝐻𝑚)) ∈ ℝ)
8581, 84syl 17 . . . . . . . 8 ((𝜑𝑚 ∈ (1...𝐾)) → (1st ‘(𝐻𝑚)) ∈ ℝ)
8683, 85resubcld 10650 . . . . . . 7 ((𝜑𝑚 ∈ (1...𝐾)) → ((2nd ‘(𝐻𝑚)) − (1st ‘(𝐻𝑚))) ∈ ℝ)
8786recnd 10260 . . . . . 6 ((𝜑𝑚 ∈ (1...𝐾)) → ((2nd ‘(𝐻𝑚)) − (1st ‘(𝐻𝑚))) ∈ ℂ)
8874, 87eqeltrrd 2840 . . . . 5 ((𝜑𝑚 ∈ (1...𝐾)) → ((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))) ∈ ℂ)
8975, 78, 88fsumser 14660 . . . 4 (𝜑 → Σ𝑚 ∈ (1...𝐾)((2nd ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚)))) − (1st ‘((𝐹‘(1st ‘(𝐽𝑚)))‘(2nd ‘(𝐽𝑚))))) = (seq1( + , ((abs ∘ − ) ∘ 𝐻))‘𝐾))
9047, 89eqtrd 2794 . . 3 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = (seq1( + , ((abs ∘ − ) ∘ 𝐻))‘𝐾))
91 ovoliun.u . . . 4 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
9291fveq1i 6353 . . 3 (𝑈𝐾) = (seq1( + , ((abs ∘ − ) ∘ 𝐻))‘𝐾)
9390, 92syl6eqr 2812 . 2 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = (𝑈𝐾))
94 f1oeng 8140 . . . . . . 7 (((1...𝐾) ∈ Fin ∧ (𝐽 ↾ (1...𝐾)):(1...𝐾)–1-1-onto→(𝐽 “ (1...𝐾))) → (1...𝐾) ≈ (𝐽 “ (1...𝐾)))
958, 15, 94syl2anc 696 . . . . . 6 (𝜑 → (1...𝐾) ≈ (𝐽 “ (1...𝐾)))
9695ensymd 8172 . . . . 5 (𝜑 → (𝐽 “ (1...𝐾)) ≈ (1...𝐾))
97 enfii 8342 . . . . 5 (((1...𝐾) ∈ Fin ∧ (𝐽 “ (1...𝐾)) ≈ (1...𝐾)) → (𝐽 “ (1...𝐾)) ∈ Fin)
988, 96, 97syl2anc 696 . . . 4 (𝜑 → (𝐽 “ (1...𝐾)) ∈ Fin)
9998, 45fsumrecl 14664 . . 3 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) ∈ ℝ)
100 fzfid 12966 . . . . 5 (𝜑 → (1...𝐿) ∈ Fin)
101 elfznn 12563 . . . . . 6 (𝑛 ∈ (1...𝐿) → 𝑛 ∈ ℕ)
102 ovoliun.v . . . . . 6 ((𝜑𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
103101, 102sylan2 492 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → (vol*‘𝐴) ∈ ℝ)
104100, 103fsumrecl 14664 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) ∈ ℝ)
105 ovoliun.b . . . . . . 7 (𝜑𝐵 ∈ ℝ+)
106105rpred 12065 . . . . . 6 (𝜑𝐵 ∈ ℝ)
107 2nn 11377 . . . . . . . 8 2 ∈ ℕ
108 nnnn0 11491 . . . . . . . 8 (𝑛 ∈ ℕ → 𝑛 ∈ ℕ0)
109 nnexpcl 13067 . . . . . . . 8 ((2 ∈ ℕ ∧ 𝑛 ∈ ℕ0) → (2↑𝑛) ∈ ℕ)
110107, 108, 109sylancr 698 . . . . . . 7 (𝑛 ∈ ℕ → (2↑𝑛) ∈ ℕ)
111101, 110syl 17 . . . . . 6 (𝑛 ∈ (1...𝐿) → (2↑𝑛) ∈ ℕ)
112 nndivre 11248 . . . . . 6 ((𝐵 ∈ ℝ ∧ (2↑𝑛) ∈ ℕ) → (𝐵 / (2↑𝑛)) ∈ ℝ)
113106, 111, 112syl2an 495 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐵 / (2↑𝑛)) ∈ ℝ)
114100, 113fsumrecl 14664 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛)) ∈ ℝ)
115104, 114readdcld 10261 . . 3 (𝜑 → (Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) + Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛))) ∈ ℝ)
116 ovoliun.r . . . 4 (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ)
117116, 106readdcld 10261 . . 3 (𝜑 → (sup(ran 𝑇, ℝ*, < ) + 𝐵) ∈ ℝ)
118 relxp 5283 . . . . . . . . . . . . . . 15 Rel ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))
119 relres 5584 . . . . . . . . . . . . . . 15 Rel ((𝐽 “ (1...𝐾)) ↾ {𝑛})
120 opelxp 5303 . . . . . . . . . . . . . . . 16 (⟨𝑥, 𝑦⟩ ∈ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ↔ (𝑥 ∈ {𝑛} ∧ 𝑦 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})))
121 vex 3343 . . . . . . . . . . . . . . . . . 18 𝑦 ∈ V
122121opelres 5559 . . . . . . . . . . . . . . . . 17 (⟨𝑥, 𝑦⟩ ∈ ((𝐽 “ (1...𝐾)) ↾ {𝑛}) ↔ (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) ∧ 𝑥 ∈ {𝑛}))
123 ancom 465 . . . . . . . . . . . . . . . . 17 ((𝑥 ∈ {𝑛} ∧ ⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾))) ↔ (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) ∧ 𝑥 ∈ {𝑛}))
124 elsni 4338 . . . . . . . . . . . . . . . . . . . . 21 (𝑥 ∈ {𝑛} → 𝑥 = 𝑛)
125124opeq1d 4559 . . . . . . . . . . . . . . . . . . . 20 (𝑥 ∈ {𝑛} → ⟨𝑥, 𝑦⟩ = ⟨𝑛, 𝑦⟩)
126125eleq1d 2824 . . . . . . . . . . . . . . . . . . 19 (𝑥 ∈ {𝑛} → (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) ↔ ⟨𝑛, 𝑦⟩ ∈ (𝐽 “ (1...𝐾))))
127 vex 3343 . . . . . . . . . . . . . . . . . . . 20 𝑛 ∈ V
128127, 121elimasn 5648 . . . . . . . . . . . . . . . . . . 19 (𝑦 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}) ↔ ⟨𝑛, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)))
129126, 128syl6bbr 278 . . . . . . . . . . . . . . . . . 18 (𝑥 ∈ {𝑛} → (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) ↔ 𝑦 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})))
130129pm5.32i 672 . . . . . . . . . . . . . . . . 17 ((𝑥 ∈ {𝑛} ∧ ⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾))) ↔ (𝑥 ∈ {𝑛} ∧ 𝑦 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})))
131122, 123, 1303bitr2ri 289 . . . . . . . . . . . . . . . 16 ((𝑥 ∈ {𝑛} ∧ 𝑦 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})) ↔ ⟨𝑥, 𝑦⟩ ∈ ((𝐽 “ (1...𝐾)) ↾ {𝑛}))
132120, 131bitri 264 . . . . . . . . . . . . . . 15 (⟨𝑥, 𝑦⟩ ∈ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ↔ ⟨𝑥, 𝑦⟩ ∈ ((𝐽 “ (1...𝐾)) ↾ {𝑛}))
133118, 119, 132eqrelriiv 5371 . . . . . . . . . . . . . 14 ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = ((𝐽 “ (1...𝐾)) ↾ {𝑛})
134 df-res 5278 . . . . . . . . . . . . . 14 ((𝐽 “ (1...𝐾)) ↾ {𝑛}) = ((𝐽 “ (1...𝐾)) ∩ ({𝑛} × V))
135133, 134eqtri 2782 . . . . . . . . . . . . 13 ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = ((𝐽 “ (1...𝐾)) ∩ ({𝑛} × V))
136135a1i 11 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = ((𝐽 “ (1...𝐾)) ∩ ({𝑛} × V)))
137136iuneq2dv 4694 . . . . . . . . . . 11 (𝜑 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = 𝑛 ∈ (1...𝐿)((𝐽 “ (1...𝐾)) ∩ ({𝑛} × V)))
138 iunin2 4736 . . . . . . . . . . 11 𝑛 ∈ (1...𝐿)((𝐽 “ (1...𝐾)) ∩ ({𝑛} × V)) = ((𝐽 “ (1...𝐾)) ∩ 𝑛 ∈ (1...𝐿)({𝑛} × V))
139137, 138syl6eq 2810 . . . . . . . . . 10 (𝜑 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = ((𝐽 “ (1...𝐾)) ∩ 𝑛 ∈ (1...𝐿)({𝑛} × V)))
140 relxp 5283 . . . . . . . . . . . . . 14 Rel (ℕ × ℕ)
141 relss 5363 . . . . . . . . . . . . . 14 ((𝐽 “ (1...𝐾)) ⊆ (ℕ × ℕ) → (Rel (ℕ × ℕ) → Rel (𝐽 “ (1...𝐾))))
14226, 140, 141mpisyl 21 . . . . . . . . . . . . 13 (𝜑 → Rel (𝐽 “ (1...𝐾)))
143 ovoliun.l2 . . . . . . . . . . . . . . . . . . 19 (𝜑 → ∀𝑤 ∈ (1...𝐾)(1st ‘(𝐽𝑤)) ≤ 𝐿)
144 ffn 6206 . . . . . . . . . . . . . . . . . . . . 21 (𝐽:ℕ⟶(ℕ × ℕ) → 𝐽 Fn ℕ)
14523, 144syl 17 . . . . . . . . . . . . . . . . . . . 20 (𝜑𝐽 Fn ℕ)
146 fveq2 6352 . . . . . . . . . . . . . . . . . . . . . 22 (𝑗 = (𝐽𝑤) → (1st𝑗) = (1st ‘(𝐽𝑤)))
147146breq1d 4814 . . . . . . . . . . . . . . . . . . . . 21 (𝑗 = (𝐽𝑤) → ((1st𝑗) ≤ 𝐿 ↔ (1st ‘(𝐽𝑤)) ≤ 𝐿))
148147ralima 6661 . . . . . . . . . . . . . . . . . . . 20 ((𝐽 Fn ℕ ∧ (1...𝐾) ⊆ ℕ) → (∀𝑗 ∈ (𝐽 “ (1...𝐾))(1st𝑗) ≤ 𝐿 ↔ ∀𝑤 ∈ (1...𝐾)(1st ‘(𝐽𝑤)) ≤ 𝐿))
149145, 13, 148sylancl 697 . . . . . . . . . . . . . . . . . . 19 (𝜑 → (∀𝑗 ∈ (𝐽 “ (1...𝐾))(1st𝑗) ≤ 𝐿 ↔ ∀𝑤 ∈ (1...𝐾)(1st ‘(𝐽𝑤)) ≤ 𝐿))
150143, 149mpbird 247 . . . . . . . . . . . . . . . . . 18 (𝜑 → ∀𝑗 ∈ (𝐽 “ (1...𝐾))(1st𝑗) ≤ 𝐿)
151150r19.21bi 3070 . . . . . . . . . . . . . . . . 17 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (1st𝑗) ≤ 𝐿)
15229, 77syl6eleq 2849 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (1st𝑗) ∈ (ℤ‘1))
153 ovoliun.l1 . . . . . . . . . . . . . . . . . . 19 (𝜑𝐿 ∈ ℤ)
154153adantr 472 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → 𝐿 ∈ ℤ)
155 elfz5 12527 . . . . . . . . . . . . . . . . . 18 (((1st𝑗) ∈ (ℤ‘1) ∧ 𝐿 ∈ ℤ) → ((1st𝑗) ∈ (1...𝐿) ↔ (1st𝑗) ≤ 𝐿))
156152, 154, 155syl2anc 696 . . . . . . . . . . . . . . . . 17 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → ((1st𝑗) ∈ (1...𝐿) ↔ (1st𝑗) ≤ 𝐿))
157151, 156mpbird 247 . . . . . . . . . . . . . . . 16 ((𝜑𝑗 ∈ (𝐽 “ (1...𝐾))) → (1st𝑗) ∈ (1...𝐿))
158157ralrimiva 3104 . . . . . . . . . . . . . . 15 (𝜑 → ∀𝑗 ∈ (𝐽 “ (1...𝐾))(1st𝑗) ∈ (1...𝐿))
159 vex 3343 . . . . . . . . . . . . . . . . . 18 𝑥 ∈ V
160159, 121op1std 7343 . . . . . . . . . . . . . . . . 17 (𝑗 = ⟨𝑥, 𝑦⟩ → (1st𝑗) = 𝑥)
161160eleq1d 2824 . . . . . . . . . . . . . . . 16 (𝑗 = ⟨𝑥, 𝑦⟩ → ((1st𝑗) ∈ (1...𝐿) ↔ 𝑥 ∈ (1...𝐿)))
162161rspccv 3446 . . . . . . . . . . . . . . 15 (∀𝑗 ∈ (𝐽 “ (1...𝐾))(1st𝑗) ∈ (1...𝐿) → (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) → 𝑥 ∈ (1...𝐿)))
163158, 162syl 17 . . . . . . . . . . . . . 14 (𝜑 → (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) → 𝑥 ∈ (1...𝐿)))
164 opelxp 5303 . . . . . . . . . . . . . . 15 (⟨𝑥, 𝑦⟩ ∈ ( 𝑛 ∈ (1...𝐿){𝑛} × V) ↔ (𝑥 𝑛 ∈ (1...𝐿){𝑛} ∧ 𝑦 ∈ V))
165121biantru 527 . . . . . . . . . . . . . . 15 (𝑥 𝑛 ∈ (1...𝐿){𝑛} ↔ (𝑥 𝑛 ∈ (1...𝐿){𝑛} ∧ 𝑦 ∈ V))
166 iunid 4727 . . . . . . . . . . . . . . . 16 𝑛 ∈ (1...𝐿){𝑛} = (1...𝐿)
167166eleq2i 2831 . . . . . . . . . . . . . . 15 (𝑥 𝑛 ∈ (1...𝐿){𝑛} ↔ 𝑥 ∈ (1...𝐿))
168164, 165, 1673bitr2i 288 . . . . . . . . . . . . . 14 (⟨𝑥, 𝑦⟩ ∈ ( 𝑛 ∈ (1...𝐿){𝑛} × V) ↔ 𝑥 ∈ (1...𝐿))
169163, 168syl6ibr 242 . . . . . . . . . . . . 13 (𝜑 → (⟨𝑥, 𝑦⟩ ∈ (𝐽 “ (1...𝐾)) → ⟨𝑥, 𝑦⟩ ∈ ( 𝑛 ∈ (1...𝐿){𝑛} × V)))
170142, 169relssdv 5369 . . . . . . . . . . . 12 (𝜑 → (𝐽 “ (1...𝐾)) ⊆ ( 𝑛 ∈ (1...𝐿){𝑛} × V))
171 xpiundir 5331 . . . . . . . . . . . 12 ( 𝑛 ∈ (1...𝐿){𝑛} × V) = 𝑛 ∈ (1...𝐿)({𝑛} × V)
172170, 171syl6sseq 3792 . . . . . . . . . . 11 (𝜑 → (𝐽 “ (1...𝐾)) ⊆ 𝑛 ∈ (1...𝐿)({𝑛} × V))
173 df-ss 3729 . . . . . . . . . . 11 ((𝐽 “ (1...𝐾)) ⊆ 𝑛 ∈ (1...𝐿)({𝑛} × V) ↔ ((𝐽 “ (1...𝐾)) ∩ 𝑛 ∈ (1...𝐿)({𝑛} × V)) = (𝐽 “ (1...𝐾)))
174172, 173sylib 208 . . . . . . . . . 10 (𝜑 → ((𝐽 “ (1...𝐾)) ∩ 𝑛 ∈ (1...𝐿)({𝑛} × V)) = (𝐽 “ (1...𝐾)))
175139, 174eqtrd 2794 . . . . . . . . 9 (𝜑 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) = (𝐽 “ (1...𝐾)))
176175, 98eqeltrd 2839 . . . . . . . 8 (𝜑 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin)
177 ssiun2 4715 . . . . . . . 8 (𝑛 ∈ (1...𝐿) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ⊆ 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})))
178 ssfi 8345 . . . . . . . 8 (( 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin ∧ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ⊆ 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin)
179176, 177, 178syl2an 495 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin)
180 2ndconst 7434 . . . . . . . . . 10 (𝑛 ∈ V → (2nd ↾ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))):({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))–1-1-onto→((𝐽 “ (1...𝐾)) “ {𝑛}))
181127, 180ax-mp 5 . . . . . . . . 9 (2nd ↾ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))):({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))–1-1-onto→((𝐽 “ (1...𝐾)) “ {𝑛})
182 f1oeng 8140 . . . . . . . . 9 ((({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin ∧ (2nd ↾ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))):({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))–1-1-onto→((𝐽 “ (1...𝐾)) “ {𝑛})) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ≈ ((𝐽 “ (1...𝐾)) “ {𝑛}))
183179, 181, 182sylancl 697 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ≈ ((𝐽 “ (1...𝐾)) “ {𝑛}))
184183ensymd 8172 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → ((𝐽 “ (1...𝐾)) “ {𝑛}) ≈ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})))
185 enfii 8342 . . . . . . 7 ((({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛})) ∈ Fin ∧ ((𝐽 “ (1...𝐾)) “ {𝑛}) ≈ ({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ((𝐽 “ (1...𝐾)) “ {𝑛}) ∈ Fin)
186179, 184, 185syl2anc 696 . . . . . 6 ((𝜑𝑛 ∈ (1...𝐿)) → ((𝐽 “ (1...𝐾)) “ {𝑛}) ∈ Fin)
187 ffvelrn 6520 . . . . . . . . . . . . . 14 ((𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ) ∧ 𝑛 ∈ ℕ) → (𝐹𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
18819, 101, 187syl2an 495 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐹𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ))
18933, 34elmap 8052 . . . . . . . . . . . . 13 ((𝐹𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑𝑚 ℕ) ↔ (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
190188, 189sylib 208 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
191190adantrr 755 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
192 imassrn 5635 . . . . . . . . . . . . . 14 ((𝐽 “ (1...𝐾)) “ {𝑛}) ⊆ ran (𝐽 “ (1...𝐾))
19326adantr 472 . . . . . . . . . . . . . . . 16 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐽 “ (1...𝐾)) ⊆ (ℕ × ℕ))
194 rnss 5509 . . . . . . . . . . . . . . . 16 ((𝐽 “ (1...𝐾)) ⊆ (ℕ × ℕ) → ran (𝐽 “ (1...𝐾)) ⊆ ran (ℕ × ℕ))
195193, 194syl 17 . . . . . . . . . . . . . . 15 ((𝜑𝑛 ∈ (1...𝐿)) → ran (𝐽 “ (1...𝐾)) ⊆ ran (ℕ × ℕ))
196 rnxpid 5725 . . . . . . . . . . . . . . 15 ran (ℕ × ℕ) = ℕ
197195, 196syl6sseq 3792 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (1...𝐿)) → ran (𝐽 “ (1...𝐾)) ⊆ ℕ)
198192, 197syl5ss 3755 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (1...𝐿)) → ((𝐽 “ (1...𝐾)) “ {𝑛}) ⊆ ℕ)
199198sseld 3743 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → (𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}) → 𝑖 ∈ ℕ))
200199impr 650 . . . . . . . . . . 11 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → 𝑖 ∈ ℕ)
201191, 200ffvelrnd 6523 . . . . . . . . . 10 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ((𝐹𝑛)‘𝑖) ∈ ( ≤ ∩ (ℝ × ℝ)))
20218, 201sseldi 3742 . . . . . . . . 9 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ((𝐹𝑛)‘𝑖) ∈ (ℝ × ℝ))
203 xp2nd 7366 . . . . . . . . 9 (((𝐹𝑛)‘𝑖) ∈ (ℝ × ℝ) → (2nd ‘((𝐹𝑛)‘𝑖)) ∈ ℝ)
204202, 203syl 17 . . . . . . . 8 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → (2nd ‘((𝐹𝑛)‘𝑖)) ∈ ℝ)
205 xp1st 7365 . . . . . . . . 9 (((𝐹𝑛)‘𝑖) ∈ (ℝ × ℝ) → (1st ‘((𝐹𝑛)‘𝑖)) ∈ ℝ)
206202, 205syl 17 . . . . . . . 8 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → (1st ‘((𝐹𝑛)‘𝑖)) ∈ ℝ)
207204, 206resubcld 10650 . . . . . . 7 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ)
208207anassrs 683 . . . . . 6 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})) → ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ)
209186, 208fsumrecl 14664 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ)
210106, 110, 112syl2an 495 . . . . . . 7 ((𝜑𝑛 ∈ ℕ) → (𝐵 / (2↑𝑛)) ∈ ℝ)
211102, 210readdcld 10261 . . . . . 6 ((𝜑𝑛 ∈ ℕ) → ((vol*‘𝐴) + (𝐵 / (2↑𝑛))) ∈ ℝ)
212101, 211sylan2 492 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → ((vol*‘𝐴) + (𝐵 / (2↑𝑛))) ∈ ℝ)
213 eqid 2760 . . . . . . . . . . . 12 ((abs ∘ − ) ∘ (𝐹𝑛)) = ((abs ∘ − ) ∘ (𝐹𝑛))
214 ovoliun.s . . . . . . . . . . . 12 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛)))
215213, 214ovolsf 23441 . . . . . . . . . . 11 ((𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑆:ℕ⟶(0[,)+∞))
216190, 215syl 17 . . . . . . . . . 10 ((𝜑𝑛 ∈ (1...𝐿)) → 𝑆:ℕ⟶(0[,)+∞))
217 frn 6214 . . . . . . . . . 10 (𝑆:ℕ⟶(0[,)+∞) → ran 𝑆 ⊆ (0[,)+∞))
218216, 217syl 17 . . . . . . . . 9 ((𝜑𝑛 ∈ (1...𝐿)) → ran 𝑆 ⊆ (0[,)+∞))
219 icossxr 12451 . . . . . . . . 9 (0[,)+∞) ⊆ ℝ*
220218, 219syl6ss 3756 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → ran 𝑆 ⊆ ℝ*)
221 supxrcl 12338 . . . . . . . 8 (ran 𝑆 ⊆ ℝ* → sup(ran 𝑆, ℝ*, < ) ∈ ℝ*)
222220, 221syl 17 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → sup(ran 𝑆, ℝ*, < ) ∈ ℝ*)
223 mnfxr 10288 . . . . . . . . 9 -∞ ∈ ℝ*
224223a1i 11 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → -∞ ∈ ℝ*)
225103rexrd 10281 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → (vol*‘𝐴) ∈ ℝ*)
226 mnflt 12150 . . . . . . . . 9 ((vol*‘𝐴) ∈ ℝ → -∞ < (vol*‘𝐴))
227103, 226syl 17 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → -∞ < (vol*‘𝐴))
228 ovoliun.x1 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
229101, 228sylan2 492 . . . . . . . . 9 ((𝜑𝑛 ∈ (1...𝐿)) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
230214ovollb 23447 . . . . . . . . 9 (((𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝐴 ran ((,) ∘ (𝐹𝑛))) → (vol*‘𝐴) ≤ sup(ran 𝑆, ℝ*, < ))
231190, 229, 230syl2anc 696 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → (vol*‘𝐴) ≤ sup(ran 𝑆, ℝ*, < ))
232224, 225, 222, 227, 231xrltletrd 12185 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → -∞ < sup(ran 𝑆, ℝ*, < ))
233 ovoliun.x2 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
234101, 233sylan2 492 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
235 xrre 12193 . . . . . . 7 (((sup(ran 𝑆, ℝ*, < ) ∈ ℝ* ∧ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))) ∈ ℝ) ∧ (-∞ < sup(ran 𝑆, ℝ*, < ) ∧ sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))) → sup(ran 𝑆, ℝ*, < ) ∈ ℝ)
236222, 212, 232, 234, 235syl22anc 1478 . . . . . 6 ((𝜑𝑛 ∈ (1...𝐿)) → sup(ran 𝑆, ℝ*, < ) ∈ ℝ)
237 1zzd 11600 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → 1 ∈ ℤ)
238213ovolfsval 23439 . . . . . . . . 9 (((𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑖 ∈ ℕ) → (((abs ∘ − ) ∘ (𝐹𝑛))‘𝑖) = ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))))
239190, 238sylan 489 . . . . . . . 8 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → (((abs ∘ − ) ∘ (𝐹𝑛))‘𝑖) = ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))))
240213ovolfsf 23440 . . . . . . . . . . . . 13 ((𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)) → ((abs ∘ − ) ∘ (𝐹𝑛)):ℕ⟶(0[,)+∞))
241190, 240syl 17 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → ((abs ∘ − ) ∘ (𝐹𝑛)):ℕ⟶(0[,)+∞))
242241ffvelrnda 6522 . . . . . . . . . . 11 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → (((abs ∘ − ) ∘ (𝐹𝑛))‘𝑖) ∈ (0[,)+∞))
243239, 242eqeltrrd 2840 . . . . . . . . . 10 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ (0[,)+∞))
244 elrege0 12471 . . . . . . . . . 10 (((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ (0[,)+∞) ↔ (((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ ∧ 0 ≤ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖)))))
245243, 244sylib 208 . . . . . . . . 9 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → (((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ ∧ 0 ≤ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖)))))
246245simpld 477 . . . . . . . 8 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℝ)
247245simprd 482 . . . . . . . 8 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑖 ∈ ℕ) → 0 ≤ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))))
248 supxrub 12347 . . . . . . . . . . . . . . 15 ((ran 𝑆 ⊆ ℝ*𝑧 ∈ ran 𝑆) → 𝑧 ≤ sup(ran 𝑆, ℝ*, < ))
249220, 248sylan 489 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ (1...𝐿)) ∧ 𝑧 ∈ ran 𝑆) → 𝑧 ≤ sup(ran 𝑆, ℝ*, < ))
250249ralrimiva 3104 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (1...𝐿)) → ∀𝑧 ∈ ran 𝑆 𝑧 ≤ sup(ran 𝑆, ℝ*, < ))
251 breq2 4808 . . . . . . . . . . . . . . 15 (𝑥 = sup(ran 𝑆, ℝ*, < ) → (𝑧𝑥𝑧 ≤ sup(ran 𝑆, ℝ*, < )))
252251ralbidv 3124 . . . . . . . . . . . . . 14 (𝑥 = sup(ran 𝑆, ℝ*, < ) → (∀𝑧 ∈ ran 𝑆 𝑧𝑥 ↔ ∀𝑧 ∈ ran 𝑆 𝑧 ≤ sup(ran 𝑆, ℝ*, < )))
253252rspcev 3449 . . . . . . . . . . . . 13 ((sup(ran 𝑆, ℝ*, < ) ∈ ℝ ∧ ∀𝑧 ∈ ran 𝑆 𝑧 ≤ sup(ran 𝑆, ℝ*, < )) → ∃𝑥 ∈ ℝ ∀𝑧 ∈ ran 𝑆 𝑧𝑥)
254236, 250, 253syl2anc 696 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → ∃𝑥 ∈ ℝ ∀𝑧 ∈ ran 𝑆 𝑧𝑥)
255 ffn 6206 . . . . . . . . . . . . . . 15 (𝑆:ℕ⟶(0[,)+∞) → 𝑆 Fn ℕ)
256216, 255syl 17 . . . . . . . . . . . . . 14 ((𝜑𝑛 ∈ (1...𝐿)) → 𝑆 Fn ℕ)
257 breq1 4807 . . . . . . . . . . . . . . 15 (𝑧 = (𝑆𝑘) → (𝑧𝑥 ↔ (𝑆𝑘) ≤ 𝑥))
258257ralrn 6525 . . . . . . . . . . . . . 14 (𝑆 Fn ℕ → (∀𝑧 ∈ ran 𝑆 𝑧𝑥 ↔ ∀𝑘 ∈ ℕ (𝑆𝑘) ≤ 𝑥))
259256, 258syl 17 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ (1...𝐿)) → (∀𝑧 ∈ ran 𝑆 𝑧𝑥 ↔ ∀𝑘 ∈ ℕ (𝑆𝑘) ≤ 𝑥))
260259rexbidv 3190 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → (∃𝑥 ∈ ℝ ∀𝑧 ∈ ran 𝑆 𝑧𝑥 ↔ ∃𝑥 ∈ ℝ ∀𝑘 ∈ ℕ (𝑆𝑘) ≤ 𝑥))
261254, 260mpbid 222 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (1...𝐿)) → ∃𝑥 ∈ ℝ ∀𝑘 ∈ ℕ (𝑆𝑘) ≤ 𝑥)
26277, 214, 237, 239, 246, 247, 261isumsup2 14777 . . . . . . . . . 10 ((𝜑𝑛 ∈ (1...𝐿)) → 𝑆 ⇝ sup(ran 𝑆, ℝ, < ))
263214, 262syl5eqbrr 4840 . . . . . . . . 9 ((𝜑𝑛 ∈ (1...𝐿)) → seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛))) ⇝ sup(ran 𝑆, ℝ, < ))
264 climrel 14422 . . . . . . . . . 10 Rel ⇝
265264releldmi 5517 . . . . . . . . 9 (seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛))) ⇝ sup(ran 𝑆, ℝ, < ) → seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛))) ∈ dom ⇝ )
266263, 265syl 17 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛))) ∈ dom ⇝ )
26777, 237, 186, 198, 239, 246, 247, 266isumless 14776 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ≤ Σ𝑖 ∈ ℕ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))))
26877, 214, 237, 239, 246, 247, 261isumsup 14778 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ℕ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) = sup(ran 𝑆, ℝ, < ))
269 rge0ssre 12473 . . . . . . . . . 10 (0[,)+∞) ⊆ ℝ
270218, 269syl6ss 3756 . . . . . . . . 9 ((𝜑𝑛 ∈ (1...𝐿)) → ran 𝑆 ⊆ ℝ)
271 1nn 11223 . . . . . . . . . . . 12 1 ∈ ℕ
272 fdm 6212 . . . . . . . . . . . . 13 (𝑆:ℕ⟶(0[,)+∞) → dom 𝑆 = ℕ)
273216, 272syl 17 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ (1...𝐿)) → dom 𝑆 = ℕ)
274271, 273syl5eleqr 2846 . . . . . . . . . . 11 ((𝜑𝑛 ∈ (1...𝐿)) → 1 ∈ dom 𝑆)
275 ne0i 4064 . . . . . . . . . . 11 (1 ∈ dom 𝑆 → dom 𝑆 ≠ ∅)
276274, 275syl 17 . . . . . . . . . 10 ((𝜑𝑛 ∈ (1...𝐿)) → dom 𝑆 ≠ ∅)
277 dm0rn0 5497 . . . . . . . . . . 11 (dom 𝑆 = ∅ ↔ ran 𝑆 = ∅)
278277necon3bii 2984 . . . . . . . . . 10 (dom 𝑆 ≠ ∅ ↔ ran 𝑆 ≠ ∅)
279276, 278sylib 208 . . . . . . . . 9 ((𝜑𝑛 ∈ (1...𝐿)) → ran 𝑆 ≠ ∅)
280 supxrre 12350 . . . . . . . . 9 ((ran 𝑆 ⊆ ℝ ∧ ran 𝑆 ≠ ∅ ∧ ∃𝑥 ∈ ℝ ∀𝑧 ∈ ran 𝑆 𝑧𝑥) → sup(ran 𝑆, ℝ*, < ) = sup(ran 𝑆, ℝ, < ))
281270, 279, 254, 280syl3anc 1477 . . . . . . . 8 ((𝜑𝑛 ∈ (1...𝐿)) → sup(ran 𝑆, ℝ*, < ) = sup(ran 𝑆, ℝ, < ))
282268, 281eqtr4d 2797 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ℕ ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) = sup(ran 𝑆, ℝ*, < ))
283267, 282breqtrd 4830 . . . . . 6 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ≤ sup(ran 𝑆, ℝ*, < ))
284209, 236, 212, 283, 234letrd 10386 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → Σ𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
285100, 209, 212, 284fsumle 14730 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ≤ Σ𝑛 ∈ (1...𝐿)((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
286 vex 3343 . . . . . . . . . . 11 𝑖 ∈ V
287127, 286op1std 7343 . . . . . . . . . 10 (𝑗 = ⟨𝑛, 𝑖⟩ → (1st𝑗) = 𝑛)
288287fveq2d 6356 . . . . . . . . 9 (𝑗 = ⟨𝑛, 𝑖⟩ → (𝐹‘(1st𝑗)) = (𝐹𝑛))
289127, 286op2ndd 7344 . . . . . . . . 9 (𝑗 = ⟨𝑛, 𝑖⟩ → (2nd𝑗) = 𝑖)
290288, 289fveq12d 6358 . . . . . . . 8 (𝑗 = ⟨𝑛, 𝑖⟩ → ((𝐹‘(1st𝑗))‘(2nd𝑗)) = ((𝐹𝑛)‘𝑖))
291290fveq2d 6356 . . . . . . 7 (𝑗 = ⟨𝑛, 𝑖⟩ → (2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) = (2nd ‘((𝐹𝑛)‘𝑖)))
292290fveq2d 6356 . . . . . . 7 (𝑗 = ⟨𝑛, 𝑖⟩ → (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) = (1st ‘((𝐹𝑛)‘𝑖)))
293291, 292oveq12d 6831 . . . . . 6 (𝑗 = ⟨𝑛, 𝑖⟩ → ((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))))
294207recnd 10260 . . . . . 6 ((𝜑 ∧ (𝑛 ∈ (1...𝐿) ∧ 𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛}))) → ((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) ∈ ℂ)
295293, 100, 186, 294fsum2d 14701 . . . . 5 (𝜑 → Σ𝑛 ∈ (1...𝐿𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) = Σ𝑗 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))))
296175sumeq1d 14630 . . . . 5 (𝜑 → Σ𝑗 𝑛 ∈ (1...𝐿)({𝑛} × ((𝐽 “ (1...𝐾)) “ {𝑛}))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) = Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))))
297295, 296eqtrd 2794 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿𝑖 ∈ ((𝐽 “ (1...𝐾)) “ {𝑛})((2nd ‘((𝐹𝑛)‘𝑖)) − (1st ‘((𝐹𝑛)‘𝑖))) = Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))))
298103recnd 10260 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → (vol*‘𝐴) ∈ ℂ)
299113recnd 10260 . . . . 5 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐵 / (2↑𝑛)) ∈ ℂ)
300100, 298, 299fsumadd 14669 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿)((vol*‘𝐴) + (𝐵 / (2↑𝑛))) = (Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) + Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛))))
301285, 297, 3003brtr3d 4835 . . 3 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) ≤ (Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) + Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛))))
302 1zzd 11600 . . . . . . . . 9 (𝜑 → 1 ∈ ℤ)
303 simpr 479 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → 𝑛 ∈ ℕ)
304 ovoliun.g . . . . . . . . . . . 12 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
305304fvmpt2 6453 . . . . . . . . . . 11 ((𝑛 ∈ ℕ ∧ (vol*‘𝐴) ∈ ℝ) → (𝐺𝑛) = (vol*‘𝐴))
306303, 102, 305syl2anc 696 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (𝐺𝑛) = (vol*‘𝐴))
307306, 102eqeltrd 2839 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → (𝐺𝑛) ∈ ℝ)
30877, 302, 307serfre 13024 . . . . . . . 8 (𝜑 → seq1( + , 𝐺):ℕ⟶ℝ)
309 ovoliun.t . . . . . . . . 9 𝑇 = seq1( + , 𝐺)
310309feq1i 6197 . . . . . . . 8 (𝑇:ℕ⟶ℝ ↔ seq1( + , 𝐺):ℕ⟶ℝ)
311308, 310sylibr 224 . . . . . . 7 (𝜑𝑇:ℕ⟶ℝ)
312 frn 6214 . . . . . . 7 (𝑇:ℕ⟶ℝ → ran 𝑇 ⊆ ℝ)
313311, 312syl 17 . . . . . 6 (𝜑 → ran 𝑇 ⊆ ℝ)
314 ressxr 10275 . . . . . 6 ℝ ⊆ ℝ*
315313, 314syl6ss 3756 . . . . 5 (𝜑 → ran 𝑇 ⊆ ℝ*)
316101, 306sylan2 492 . . . . . . 7 ((𝜑𝑛 ∈ (1...𝐿)) → (𝐺𝑛) = (vol*‘𝐴))
317 1red 10247 . . . . . . . . . 10 (𝜑 → 1 ∈ ℝ)
318 ffvelrn 6520 . . . . . . . . . . . . 13 ((𝐽:ℕ⟶(ℕ × ℕ) ∧ 1 ∈ ℕ) → (𝐽‘1) ∈ (ℕ × ℕ))
31923, 271, 318sylancl 697 . . . . . . . . . . . 12 (𝜑 → (𝐽‘1) ∈ (ℕ × ℕ))
320 xp1st 7365 . . . . . . . . . . . 12 ((𝐽‘1) ∈ (ℕ × ℕ) → (1st ‘(𝐽‘1)) ∈ ℕ)
321319, 320syl 17 . . . . . . . . . . 11 (𝜑 → (1st ‘(𝐽‘1)) ∈ ℕ)
322321nnred 11227 . . . . . . . . . 10 (𝜑 → (1st ‘(𝐽‘1)) ∈ ℝ)
323153zred 11674 . . . . . . . . . 10 (𝜑𝐿 ∈ ℝ)
324321nnge1d 11255 . . . . . . . . . 10 (𝜑 → 1 ≤ (1st ‘(𝐽‘1)))
325 fveq2 6352 . . . . . . . . . . . . 13 (𝑤 = 1 → (𝐽𝑤) = (𝐽‘1))
326325fveq2d 6356 . . . . . . . . . . . 12 (𝑤 = 1 → (1st ‘(𝐽𝑤)) = (1st ‘(𝐽‘1)))
327326breq1d 4814 . . . . . . . . . . 11 (𝑤 = 1 → ((1st ‘(𝐽𝑤)) ≤ 𝐿 ↔ (1st ‘(𝐽‘1)) ≤ 𝐿))
328 eluzfz1 12541 . . . . . . . . . . . 12 (𝐾 ∈ (ℤ‘1) → 1 ∈ (1...𝐾))
32978, 328syl 17 . . . . . . . . . . 11 (𝜑 → 1 ∈ (1...𝐾))
330327, 143, 329rspcdva 3455 . . . . . . . . . 10 (𝜑 → (1st ‘(𝐽‘1)) ≤ 𝐿)
331317, 322, 323, 324, 330letrd 10386 . . . . . . . . 9 (𝜑 → 1 ≤ 𝐿)
332 elnnz1 11595 . . . . . . . . 9 (𝐿 ∈ ℕ ↔ (𝐿 ∈ ℤ ∧ 1 ≤ 𝐿))
333153, 331, 332sylanbrc 701 . . . . . . . 8 (𝜑𝐿 ∈ ℕ)
334333, 77syl6eleq 2849 . . . . . . 7 (𝜑𝐿 ∈ (ℤ‘1))
335316, 334, 298fsumser 14660 . . . . . 6 (𝜑 → Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) = (seq1( + , 𝐺)‘𝐿))
336 seqfn 13007 . . . . . . . . 9 (1 ∈ ℤ → seq1( + , 𝐺) Fn (ℤ‘1))
337302, 336syl 17 . . . . . . . 8 (𝜑 → seq1( + , 𝐺) Fn (ℤ‘1))
338 fnfvelrn 6519 . . . . . . . 8 ((seq1( + , 𝐺) Fn (ℤ‘1) ∧ 𝐿 ∈ (ℤ‘1)) → (seq1( + , 𝐺)‘𝐿) ∈ ran seq1( + , 𝐺))
339337, 334, 338syl2anc 696 . . . . . . 7 (𝜑 → (seq1( + , 𝐺)‘𝐿) ∈ ran seq1( + , 𝐺))
340309rneqi 5507 . . . . . . 7 ran 𝑇 = ran seq1( + , 𝐺)
341339, 340syl6eleqr 2850 . . . . . 6 (𝜑 → (seq1( + , 𝐺)‘𝐿) ∈ ran 𝑇)
342335, 341eqeltrd 2839 . . . . 5 (𝜑 → Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) ∈ ran 𝑇)
343 supxrub 12347 . . . . 5 ((ran 𝑇 ⊆ ℝ* ∧ Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) ∈ ran 𝑇) → Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) ≤ sup(ran 𝑇, ℝ*, < ))
344315, 342, 343syl2anc 696 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) ≤ sup(ran 𝑇, ℝ*, < ))
345106recnd 10260 . . . . . 6 (𝜑𝐵 ∈ ℂ)
346 geo2sum 14803 . . . . . 6 ((𝐿 ∈ ℕ ∧ 𝐵 ∈ ℂ) → Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛)) = (𝐵 − (𝐵 / (2↑𝐿))))
347333, 345, 346syl2anc 696 . . . . 5 (𝜑 → Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛)) = (𝐵 − (𝐵 / (2↑𝐿))))
348333nnnn0d 11543 . . . . . . . . . 10 (𝜑𝐿 ∈ ℕ0)
349 nnexpcl 13067 . . . . . . . . . 10 ((2 ∈ ℕ ∧ 𝐿 ∈ ℕ0) → (2↑𝐿) ∈ ℕ)
350107, 348, 349sylancr 698 . . . . . . . . 9 (𝜑 → (2↑𝐿) ∈ ℕ)
351350nnrpd 12063 . . . . . . . 8 (𝜑 → (2↑𝐿) ∈ ℝ+)
352105, 351rpdivcld 12082 . . . . . . 7 (𝜑 → (𝐵 / (2↑𝐿)) ∈ ℝ+)
353352rpge0d 12069 . . . . . 6 (𝜑 → 0 ≤ (𝐵 / (2↑𝐿)))
354106, 350nndivred 11261 . . . . . . 7 (𝜑 → (𝐵 / (2↑𝐿)) ∈ ℝ)
355106, 354subge02d 10811 . . . . . 6 (𝜑 → (0 ≤ (𝐵 / (2↑𝐿)) ↔ (𝐵 − (𝐵 / (2↑𝐿))) ≤ 𝐵))
356353, 355mpbid 222 . . . . 5 (𝜑 → (𝐵 − (𝐵 / (2↑𝐿))) ≤ 𝐵)
357347, 356eqbrtrd 4826 . . . 4 (𝜑 → Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛)) ≤ 𝐵)
358104, 114, 116, 106, 344, 357le2addd 10838 . . 3 (𝜑 → (Σ𝑛 ∈ (1...𝐿)(vol*‘𝐴) + Σ𝑛 ∈ (1...𝐿)(𝐵 / (2↑𝑛))) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
35999, 115, 117, 301, 358letrd 10386 . 2 (𝜑 → Σ𝑗 ∈ (𝐽 “ (1...𝐾))((2nd ‘((𝐹‘(1st𝑗))‘(2nd𝑗))) − (1st ‘((𝐹‘(1st𝑗))‘(2nd𝑗)))) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
36093, 359eqbrtrrd 4828 1 (𝜑 → (𝑈𝐾) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 383   = wceq 1632   ∈ wcel 2139   ≠ wne 2932  ∀wral 3050  ∃wrex 3051  Vcvv 3340   ∩ cin 3714   ⊆ wss 3715  ∅c0 4058  {csn 4321  ⟨cop 4327  ∪ cuni 4588  ∪ ciun 4672   class class class wbr 4804   ↦ cmpt 4881   × cxp 5264  dom cdm 5266  ran crn 5267   ↾ cres 5268   “ cima 5269   ∘ ccom 5270  Rel wrel 5271   Fn wfn 6044  ⟶wf 6045  –1-1→wf1 6046  –1-1-onto→wf1o 6048  ‘cfv 6049  (class class class)co 6813  1st c1st 7331  2nd c2nd 7332   ↑𝑚 cmap 8023   ≈ cen 8118  Fincfn 8121  supcsup 8511  ℂcc 10126  ℝcr 10127  0cc0 10128  1c1 10129   + caddc 10131  +∞cpnf 10263  -∞cmnf 10264  ℝ*cxr 10265   < clt 10266   ≤ cle 10267   − cmin 10458   / cdiv 10876  ℕcn 11212  2c2 11262  ℕ0cn0 11484  ℤcz 11569  ℤ≥cuz 11879  ℝ+crp 12025  (,)cioo 12368  [,)cico 12370  ...cfz 12519  seqcseq 12995  ↑cexp 13054  abscabs 14173   ⇝ cli 14414  Σcsu 14615  vol*covol 23431 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1871  ax-4 1886  ax-5 1988  ax-6 2054  ax-7 2090  ax-8 2141  ax-9 2148  ax-10 2168  ax-11 2183  ax-12 2196  ax-13 2391  ax-ext 2740  ax-rep 4923  ax-sep 4933  ax-nul 4941  ax-pow 4992  ax-pr 5055  ax-un 7114  ax-inf2 8711  ax-cnex 10184  ax-resscn 10185  ax-1cn 10186  ax-icn 10187  ax-addcl 10188  ax-addrcl 10189  ax-mulcl 10190  ax-mulrcl 10191  ax-mulcom 10192  ax-addass 10193  ax-mulass 10194  ax-distr 10195  ax-i2m1 10196  ax-1ne0 10197  ax-1rid 10198  ax-rnegex 10199  ax-rrecex 10200  ax-cnre 10201  ax-pre-lttri 10202  ax-pre-lttrn 10203  ax-pre-ltadd 10204  ax-pre-mulgt0 10205  ax-pre-sup 10206 This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1635  df-fal 1638  df-ex 1854  df-nf 1859  df-sb 2047  df-eu 2611  df-mo 2612  df-clab 2747  df-cleq 2753  df-clel 2756  df-nfc 2891  df-ne 2933  df-nel 3036  df-ral 3055  df-rex 3056  df-reu 3057  df-rmo 3058  df-rab 3059  df-v 3342  df-sbc 3577  df-csb 3675  df-dif 3718  df-un 3720  df-in 3722  df-ss 3729  df-pss 3731  df-nul 4059  df-if 4231  df-pw 4304  df-sn 4322  df-pr 4324  df-tp 4326  df-op 4328  df-uni 4589  df-int 4628  df-iun 4674  df-br 4805  df-opab 4865  df-mpt 4882  df-tr 4905  df-id 5174  df-eprel 5179  df-po 5187  df-so 5188  df-fr 5225  df-se 5226  df-we 5227  df-xp 5272  df-rel 5273  df-cnv 5274  df-co 5275  df-dm 5276  df-rn 5277  df-res 5278  df-ima 5279  df-pred 5841  df-ord 5887  df-on 5888  df-lim 5889  df-suc 5890  df-iota 6012  df-fun 6051  df-fn 6052  df-f 6053  df-f1 6054  df-fo 6055  df-f1o 6056  df-fv 6057  df-isom 6058  df-riota 6774  df-ov 6816  df-oprab 6817  df-mpt2 6818  df-om 7231  df-1st 7333  df-2nd 7334  df-wrecs 7576  df-recs 7637  df-rdg 7675  df-1o 7729  df-oadd 7733  df-er 7911  df-map 8025  df-pm 8026  df-en 8122  df-dom 8123  df-sdom 8124  df-fin 8125  df-sup 8513  df-inf 8514  df-oi 8580  df-card 8955  df-pnf 10268  df-mnf 10269  df-xr 10270  df-ltxr 10271  df-le 10272  df-sub 10460  df-neg 10461  df-div 10877  df-nn 11213  df-2 11271  df-3 11272  df-n0 11485  df-z 11570  df-uz 11880  df-rp 12026  df-ioo 12372  df-ico 12374  df-fz 12520  df-fzo 12660  df-fl 12787  df-seq 12996  df-exp 13055  df-hash 13312  df-cj 14038  df-re 14039  df-im 14040  df-sqrt 14174  df-abs 14175  df-clim 14418  df-rlim 14419  df-sum 14616  df-ovol 23433 This theorem is referenced by:  ovoliunlem2  23471
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