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Theorem uniioombllem4 23574

Description: Lemma for uniioombl 23577. (Contributed by Mario Carneiro, 26-Mar-2015.)

**Hypotheses**
Ref	Expression
uniioombl.1	⊢ (𝜑 → 𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
uniioombl.2	⊢ (𝜑 → Disj 𝑥 ∈ ℕ ((,)‘(𝐹‘𝑥)))
uniioombl.3	⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ 𝐹))
uniioombl.a	⊢ 𝐴 = ∪ ran ((,) ∘ 𝐹)
uniioombl.e	⊢ (𝜑 → (vol*‘𝐸) ∈ ℝ)
uniioombl.c	⊢ (𝜑 → 𝐶 ∈ ℝ⁺)
uniioombl.g	⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
uniioombl.s	⊢ (𝜑 → 𝐸 ⊆ ∪ ran ((,) ∘ 𝐺))
uniioombl.t	⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺))
uniioombl.v	⊢ (𝜑 → sup(ran 𝑇, ℝ^, < ) ≤ ((vol‘𝐸) + 𝐶))
uniioombl.m	⊢ (𝜑 → 𝑀 ∈ ℕ)
uniioombl.m2	⊢ (𝜑 → (abs‘((𝑇‘𝑀) − sup(ran 𝑇, ℝ^*, < ))) < 𝐶)
uniioombl.k	⊢ 𝐾 = ∪ (((,) ∘ 𝐺) “ (1...𝑀))
uniioombl.n	⊢ (𝜑 → 𝑁 ∈ ℕ)
uniioombl.n2	⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)(abs‘(Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) − (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)))) < (𝐶 / 𝑀))
uniioombl.l	⊢ 𝐿 = ∪ (((,) ∘ 𝐹) “ (1...𝑁))

**Assertion**
Ref	Expression
uniioombllem4	⊢ (𝜑 → (vol‘(𝐾 ∩ 𝐴)) ≤ ((vol‘(𝐾 ∩ 𝐿)) + 𝐶))

Distinct variable groups: 𝑖,𝑗,𝑥,𝐹 𝑖,𝐺,𝑗,𝑥 𝑗,𝐾,𝑥 𝐴,𝑗,𝑥 𝐶,𝑖,𝑗,𝑥 𝑖,𝑀,𝑗,𝑥 𝑖,𝑁,𝑗 𝜑,𝑖,𝑗,𝑥 𝑇,𝑖,𝑗,𝑥 Allowed substitution hints: 𝐴(𝑖) 𝑆(𝑥,𝑖,𝑗) 𝐸(𝑥,𝑖,𝑗) 𝐾(𝑖) 𝐿(𝑥,𝑖,𝑗) 𝑁(𝑥)

**Proof of Theorem uniioombllem4**
Step	Hyp	Ref	Expression
1		inss1 3981	. . . 4 ⊢ (𝐾 ∩ 𝐴) ⊆ 𝐾
2	1	a1i 11	. . 3 ⊢ (𝜑 → (𝐾 ∩ 𝐴) ⊆ 𝐾)
3		uniioombl.k	. . . . . 6 ⊢ 𝐾 = ∪ (((,) ∘ 𝐺) “ (1...𝑀))
4		imassrn 5618	. . . . . . 7 ⊢ (((,) ∘ 𝐺) “ (1...𝑀)) ⊆ ran ((,) ∘ 𝐺)
5	4	unissi 4597	. . . . . 6 ⊢ ∪ (((,) ∘ 𝐺) “ (1...𝑀)) ⊆ ∪ ran ((,) ∘ 𝐺)
6	3, 5	eqsstri 3784	. . . . 5 ⊢ 𝐾 ⊆ ∪ ran ((,) ∘ 𝐺)
7	6	a1i 11	. . . 4 ⊢ (𝜑 → 𝐾 ⊆ ∪ ran ((,) ∘ 𝐺))
8		uniioombl.g	. . . . . . 7 ⊢ (𝜑 → 𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
9	8	uniiccdif 23566	. . . . . 6 ⊢ (𝜑 → (∪ ran ((,) ∘ 𝐺) ⊆ ∪ ran ([,] ∘ 𝐺) ∧ (vol*‘(∪ ran ([,] ∘ 𝐺) ∖ ∪ ran ((,) ∘ 𝐺))) = 0))
10	9	simpld 482	. . . . 5 ⊢ (𝜑 → ∪ ran ((,) ∘ 𝐺) ⊆ ∪ ran ([,] ∘ 𝐺))
11		ovolficcss 23457	. . . . . 6 ⊢ (𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → ∪ ran ([,] ∘ 𝐺) ⊆ ℝ)
12	8, 11	syl 17	. . . . 5 ⊢ (𝜑 → ∪ ran ([,] ∘ 𝐺) ⊆ ℝ)
13	10, 12	sstrd 3762	. . . 4 ⊢ (𝜑 → ∪ ran ((,) ∘ 𝐺) ⊆ ℝ)
14	7, 13	sstrd 3762	. . 3 ⊢ (𝜑 → 𝐾 ⊆ ℝ)
15		uniioombl.1	. . . . . 6 ⊢ (𝜑 → 𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
16		uniioombl.2	. . . . . 6 ⊢ (𝜑 → Disj 𝑥 ∈ ℕ ((,)‘(𝐹‘𝑥)))
17		uniioombl.3	. . . . . 6 ⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ 𝐹))
18		uniioombl.a	. . . . . 6 ⊢ 𝐴 = ∪ ran ((,) ∘ 𝐹)
19		uniioombl.e	. . . . . 6 ⊢ (𝜑 → (vol*‘𝐸) ∈ ℝ)
20		uniioombl.c	. . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℝ⁺)
21		uniioombl.s	. . . . . 6 ⊢ (𝜑 → 𝐸 ⊆ ∪ ran ((,) ∘ 𝐺))
22		uniioombl.t	. . . . . 6 ⊢ 𝑇 = seq1( + , ((abs ∘ − ) ∘ 𝐺))
23		uniioombl.v	. . . . . 6 ⊢ (𝜑 → sup(ran 𝑇, ℝ^, < ) ≤ ((vol‘𝐸) + 𝐶))
24	15, 16, 17, 18, 19, 20, 8, 21, 22, 23	uniioombllem1 23569	. . . . 5 ⊢ (𝜑 → sup(ran 𝑇, ℝ^*, < ) ∈ ℝ)
25		ssid 3773	. . . . . 6 ⊢ ∪ ran ((,) ∘ 𝐺) ⊆ ∪ ran ((,) ∘ 𝐺)
26	22	ovollb 23467	. . . . . 6 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ ∪ ran ((,) ∘ 𝐺) ⊆ ∪ ran ((,) ∘ 𝐺)) → (vol‘∪ ran ((,) ∘ 𝐺)) ≤ sup(ran 𝑇, ℝ^, < ))
27	8, 25, 26	sylancl 574	. . . . 5 ⊢ (𝜑 → (vol‘∪ ran ((,) ∘ 𝐺)) ≤ sup(ran 𝑇, ℝ^, < ))
28		ovollecl 23471	. . . . 5 ⊢ ((∪ ran ((,) ∘ 𝐺) ⊆ ℝ ∧ sup(ran 𝑇, ℝ^, < ) ∈ ℝ ∧ (vol‘∪ ran ((,) ∘ 𝐺)) ≤ sup(ran 𝑇, ℝ^, < )) → (vol‘∪ ran ((,) ∘ 𝐺)) ∈ ℝ)
29	13, 24, 27, 28	syl3anc 1476	. . . 4 ⊢ (𝜑 → (vol*‘∪ ran ((,) ∘ 𝐺)) ∈ ℝ)
30		ovolsscl 23474	. . . 4 ⊢ ((𝐾 ⊆ ∪ ran ((,) ∘ 𝐺) ∧ ∪ ran ((,) ∘ 𝐺) ⊆ ℝ ∧ (vol‘∪ ran ((,) ∘ 𝐺)) ∈ ℝ) → (vol‘𝐾) ∈ ℝ)
31	7, 13, 29, 30	syl3anc 1476	. . 3 ⊢ (𝜑 → (vol*‘𝐾) ∈ ℝ)
32		ovolsscl 23474	. . 3 ⊢ (((𝐾 ∩ 𝐴) ⊆ 𝐾 ∧ 𝐾 ⊆ ℝ ∧ (vol‘𝐾) ∈ ℝ) → (vol‘(𝐾 ∩ 𝐴)) ∈ ℝ)
33	2, 14, 31, 32	syl3anc 1476	. 2 ⊢ (𝜑 → (vol*‘(𝐾 ∩ 𝐴)) ∈ ℝ)
34		inss1 3981	. . . . 5 ⊢ (𝐾 ∩ 𝐿) ⊆ 𝐾
35	34	a1i 11	. . . 4 ⊢ (𝜑 → (𝐾 ∩ 𝐿) ⊆ 𝐾)
36		ovolsscl 23474	. . . 4 ⊢ (((𝐾 ∩ 𝐿) ⊆ 𝐾 ∧ 𝐾 ⊆ ℝ ∧ (vol‘𝐾) ∈ ℝ) → (vol‘(𝐾 ∩ 𝐿)) ∈ ℝ)
37	35, 14, 31, 36	syl3anc 1476	. . 3 ⊢ (𝜑 → (vol*‘(𝐾 ∩ 𝐿)) ∈ ℝ)
38		ssun2 3928	. . . . . 6 ⊢ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
39		nnuz 11925	. . . . . . . . . . . . . 14 ⊢ ℕ = (ℤ_≥‘1)
40		uniioombl.n	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝑁 ∈ ℕ)
41	40	peano2nnd 11239	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝑁 + 1) ∈ ℕ)
42	41, 39	syl6eleq 2860	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝑁 + 1) ∈ (ℤ_≥‘1))
43		uzsplit 12619	. . . . . . . . . . . . . . 15 ⊢ ((𝑁 + 1) ∈ (ℤ_≥‘1) → (ℤ_≥‘1) = ((1...((𝑁 + 1) − 1)) ∪ (ℤ_≥‘(𝑁 + 1))))
44	42, 43	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (ℤ_≥‘1) = ((1...((𝑁 + 1) − 1)) ∪ (ℤ_≥‘(𝑁 + 1))))
45	39, 44	syl5eq 2817	. . . . . . . . . . . . 13 ⊢ (𝜑 → ℕ = ((1...((𝑁 + 1) − 1)) ∪ (ℤ_≥‘(𝑁 + 1))))
46	40	nncnd 11238	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝑁 ∈ ℂ)
47		ax-1cn 10196	. . . . . . . . . . . . . . . 16 ⊢ 1 ∈ ℂ
48		pncan 10489	. . . . . . . . . . . . . . . 16 ⊢ ((𝑁 ∈ ℂ ∧ 1 ∈ ℂ) → ((𝑁 + 1) − 1) = 𝑁)
49	46, 47, 48	sylancl 574	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ((𝑁 + 1) − 1) = 𝑁)
50	49	oveq2d 6809	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (1...((𝑁 + 1) − 1)) = (1...𝑁))
51	50	uneq1d 3917	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((1...((𝑁 + 1) − 1)) ∪ (ℤ_≥‘(𝑁 + 1))) = ((1...𝑁) ∪ (ℤ_≥‘(𝑁 + 1))))
52	45, 51	eqtrd 2805	. . . . . . . . . . . 12 ⊢ (𝜑 → ℕ = ((1...𝑁) ∪ (ℤ_≥‘(𝑁 + 1))))
53	52	iuneq1d 4679	. . . . . . . . . . 11 ⊢ (𝜑 → ∪ 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)) = ∪ 𝑖 ∈ ((1...𝑁) ∪ (ℤ_≥‘(𝑁 + 1)))((,)‘(𝐹‘𝑖)))
54		iunxun 4739	. . . . . . . . . . 11 ⊢ ∪ 𝑖 ∈ ((1...𝑁) ∪ (ℤ_≥‘(𝑁 + 1)))((,)‘(𝐹‘𝑖)) = (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
55	53, 54	syl6eq 2821	. . . . . . . . . 10 ⊢ (𝜑 → ∪ 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)) = (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
56		ioof 12477	. . . . . . . . . . . . . 14 ⊢ (,):(ℝ^* × ℝ^*)⟶𝒫 ℝ
57		inss2 3982	. . . . . . . . . . . . . . . 16 ⊢ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ × ℝ)
58		rexpssxrxp 10286	. . . . . . . . . . . . . . . 16 ⊢ (ℝ × ℝ) ⊆ (ℝ^* × ℝ^*)
59	57, 58	sstri 3761	. . . . . . . . . . . . . . 15 ⊢ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ^* × ℝ^*)
60		fss 6196	. . . . . . . . . . . . . . 15 ⊢ ((𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ^* × ℝ^)) → 𝐹:ℕ⟶(ℝ^ × ℝ^*))
61	15, 59, 60	sylancl 574	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐹:ℕ⟶(ℝ^* × ℝ^*))
62		fco 6198	. . . . . . . . . . . . . 14 ⊢ (((,):(ℝ^* × ℝ^)⟶𝒫 ℝ ∧ 𝐹:ℕ⟶(ℝ^ × ℝ^*)) → ((,) ∘ 𝐹):ℕ⟶𝒫 ℝ)
63	56, 61, 62	sylancr 575	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((,) ∘ 𝐹):ℕ⟶𝒫 ℝ)
64		ffn 6185	. . . . . . . . . . . . 13 ⊢ (((,) ∘ 𝐹):ℕ⟶𝒫 ℝ → ((,) ∘ 𝐹) Fn ℕ)
65		fniunfv 6648	. . . . . . . . . . . . 13 ⊢ (((,) ∘ 𝐹) Fn ℕ → ∪ 𝑖 ∈ ℕ (((,) ∘ 𝐹)‘𝑖) = ∪ ran ((,) ∘ 𝐹))
66	63, 64, 65	3syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → ∪ 𝑖 ∈ ℕ (((,) ∘ 𝐹)‘𝑖) = ∪ ran ((,) ∘ 𝐹))
67		fvco3 6417	. . . . . . . . . . . . . 14 ⊢ ((𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑖 ∈ ℕ) → (((,) ∘ 𝐹)‘𝑖) = ((,)‘(𝐹‘𝑖)))
68	15, 67	sylan 569	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ) → (((,) ∘ 𝐹)‘𝑖) = ((,)‘(𝐹‘𝑖)))
69	68	iuneq2dv 4676	. . . . . . . . . . . 12 ⊢ (𝜑 → ∪ 𝑖 ∈ ℕ (((,) ∘ 𝐹)‘𝑖) = ∪ 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
70	66, 69	eqtr3d 2807	. . . . . . . . . . 11 ⊢ (𝜑 → ∪ ran ((,) ∘ 𝐹) = ∪ 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
71	18, 70	syl5eq 2817	. . . . . . . . . 10 ⊢ (𝜑 → 𝐴 = ∪ 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
72		uniioombl.l	. . . . . . . . . . . 12 ⊢ 𝐿 = ∪ (((,) ∘ 𝐹) “ (1...𝑁))
73		ffun 6188	. . . . . . . . . . . . . 14 ⊢ (((,) ∘ 𝐹):ℕ⟶𝒫 ℝ → Fun ((,) ∘ 𝐹))
74		funiunfv 6649	. . . . . . . . . . . . . 14 ⊢ (Fun ((,) ∘ 𝐹) → ∪ 𝑖 ∈ (1...𝑁)(((,) ∘ 𝐹)‘𝑖) = ∪ (((,) ∘ 𝐹) “ (1...𝑁)))
75	63, 73, 74	3syl 18	. . . . . . . . . . . . 13 ⊢ (𝜑 → ∪ 𝑖 ∈ (1...𝑁)(((,) ∘ 𝐹)‘𝑖) = ∪ (((,) ∘ 𝐹) “ (1...𝑁)))
76		elfznn 12577	. . . . . . . . . . . . . . 15 ⊢ (𝑖 ∈ (1...𝑁) → 𝑖 ∈ ℕ)
77	15, 76, 67	syl2an 583	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → (((,) ∘ 𝐹)‘𝑖) = ((,)‘(𝐹‘𝑖)))
78	77	iuneq2dv 4676	. . . . . . . . . . . . 13 ⊢ (𝜑 → ∪ 𝑖 ∈ (1...𝑁)(((,) ∘ 𝐹)‘𝑖) = ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)))
79	75, 78	eqtr3d 2807	. . . . . . . . . . . 12 ⊢ (𝜑 → ∪ (((,) ∘ 𝐹) “ (1...𝑁)) = ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)))
80	72, 79	syl5eq 2817	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐿 = ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)))
81	80	uneq1d 3917	. . . . . . . . . 10 ⊢ (𝜑 → (𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
82	55, 71, 81	3eqtr4d 2815	. . . . . . . . 9 ⊢ (𝜑 → 𝐴 = (𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
83	82	ineq2d 3965	. . . . . . . 8 ⊢ (𝜑 → (𝐾 ∩ 𝐴) = (𝐾 ∩ (𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))))
84		indi 4022	. . . . . . . 8 ⊢ (𝐾 ∩ (𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))) = ((𝐾 ∩ 𝐿) ∪ (𝐾 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
85	83, 84	syl6eq 2821	. . . . . . 7 ⊢ (𝜑 → (𝐾 ∩ 𝐴) = ((𝐾 ∩ 𝐿) ∪ (𝐾 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))))
86		fss 6196	. . . . . . . . . . . . . . 15 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ ( ≤ ∩ (ℝ × ℝ)) ⊆ (ℝ^* × ℝ^)) → 𝐺:ℕ⟶(ℝ^ × ℝ^*))
87	8, 59, 86	sylancl 574	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐺:ℕ⟶(ℝ^* × ℝ^*))
88		fco 6198	. . . . . . . . . . . . . 14 ⊢ (((,):(ℝ^* × ℝ^)⟶𝒫 ℝ ∧ 𝐺:ℕ⟶(ℝ^ × ℝ^*)) → ((,) ∘ 𝐺):ℕ⟶𝒫 ℝ)
89	56, 87, 88	sylancr 575	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((,) ∘ 𝐺):ℕ⟶𝒫 ℝ)
90		ffun 6188	. . . . . . . . . . . . 13 ⊢ (((,) ∘ 𝐺):ℕ⟶𝒫 ℝ → Fun ((,) ∘ 𝐺))
91		funiunfv 6649	. . . . . . . . . . . . 13 ⊢ (Fun ((,) ∘ 𝐺) → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ (((,) ∘ 𝐺) “ (1...𝑀)))
92	89, 90, 91	3syl 18	. . . . . . . . . . . 12 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ (((,) ∘ 𝐺) “ (1...𝑀)))
93		elfznn 12577	. . . . . . . . . . . . . 14 ⊢ (𝑗 ∈ (1...𝑀) → 𝑗 ∈ ℕ)
94		fvco3 6417	. . . . . . . . . . . . . 14 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → (((,) ∘ 𝐺)‘𝑗) = ((,)‘(𝐺‘𝑗)))
95	8, 93, 94	syl2an 583	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,) ∘ 𝐺)‘𝑗) = ((,)‘(𝐺‘𝑗)))
96	95	iuneq2dv 4676	. . . . . . . . . . . 12 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)(((,) ∘ 𝐺)‘𝑗) = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
97	92, 96	eqtr3d 2807	. . . . . . . . . . 11 ⊢ (𝜑 → ∪ (((,) ∘ 𝐺) “ (1...𝑀)) = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
98	3, 97	syl5eq 2817	. . . . . . . . . 10 ⊢ (𝜑 → 𝐾 = ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
99	98	ineq2d 3965	. . . . . . . . 9 ⊢ (𝜑 → (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ 𝐾) = (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗))))
100		incom 3956	. . . . . . . . 9 ⊢ (𝐾 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ 𝐾)
101		iunin2 4718	. . . . . . . . . . . . 13 ⊢ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖))) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
102		incom 3956	. . . . . . . . . . . . . . 15 ⊢ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖)))
103	102	a1i 11	. . . . . . . . . . . . . 14 ⊢ (𝑖 ∈ (ℤ_≥‘(𝑁 + 1)) → (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖))))
104	103	iuneq2i 4673	. . . . . . . . . . . . 13 ⊢ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖)))
105		incom 3956	. . . . . . . . . . . . 13 ⊢ (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
106	101, 104, 105	3eqtr4ri 2804	. . . . . . . . . . . 12 ⊢ (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))
107	106	a1i 11	. . . . . . . . . . 11 ⊢ (𝑗 ∈ (1...𝑀) → (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
108	107	iuneq2i 4673	. . . . . . . . . 10 ⊢ ∪ 𝑗 ∈ (1...𝑀)(∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))
109		iunin2 4718	. . . . . . . . . 10 ⊢ ∪ 𝑗 ∈ (1...𝑀)(∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
110	108, 109	eqtr3i 2795	. . . . . . . . 9 ⊢ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑗 ∈ (1...𝑀)((,)‘(𝐺‘𝑗)))
111	99, 100, 110	3eqtr4g 2830	. . . . . . . 8 ⊢ (𝜑 → (𝐾 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
112	111	uneq2d 3918	. . . . . . 7 ⊢ (𝜑 → ((𝐾 ∩ 𝐿) ∪ (𝐾 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))) = ((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
113	85, 112	eqtrd 2805	. . . . . 6 ⊢ (𝜑 → (𝐾 ∩ 𝐴) = ((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
114	38, 113	syl5sseqr 3803	. . . . 5 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ (𝐾 ∩ 𝐴))
115	114, 1	syl6ss 3764	. . . 4 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾)
116		ovolsscl 23474	. . . 4 ⊢ ((∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾 ∧ 𝐾 ⊆ ℝ ∧ (vol‘𝐾) ∈ ℝ) → (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
117	115, 14, 31, 116	syl3anc 1476	. . 3 ⊢ (𝜑 → (vol*‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
118	37, 117	readdcld 10271	. 2 ⊢ (𝜑 → ((vol‘(𝐾 ∩ 𝐿)) + (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ∈ ℝ)
119	20	rpred 12075	. . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ)
120	37, 119	readdcld 10271	. 2 ⊢ (𝜑 → ((vol*‘(𝐾 ∩ 𝐿)) + 𝐶) ∈ ℝ)
121	113	fveq2d 6336	. . 3 ⊢ (𝜑 → (vol‘(𝐾 ∩ 𝐴)) = (vol‘((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
122	35, 14	sstrd 3762	. . . 4 ⊢ (𝜑 → (𝐾 ∩ 𝐿) ⊆ ℝ)
123	115, 14	sstrd 3762	. . . 4 ⊢ (𝜑 → ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ)
124		ovolun 23487	. . . 4 ⊢ ((((𝐾 ∩ 𝐿) ⊆ ℝ ∧ (vol‘(𝐾 ∩ 𝐿)) ∈ ℝ) ∧ (∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ ∧ (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)) → (vol‘((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ≤ ((vol‘(𝐾 ∩ 𝐿)) + (vol*‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
125	122, 37, 123, 117, 124	syl22anc 1477	. . 3 ⊢ (𝜑 → (vol‘((𝐾 ∩ 𝐿) ∪ ∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ≤ ((vol‘(𝐾 ∩ 𝐿)) + (vol*‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
126	121, 125	eqbrtrd 4808	. 2 ⊢ (𝜑 → (vol‘(𝐾 ∩ 𝐴)) ≤ ((vol‘(𝐾 ∩ 𝐿)) + (vol*‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
127		fzfid 12980	. . . . 5 ⊢ (𝜑 → (1...𝑀) ∈ Fin)
128		iunss 4695	. . . . . . . 8 ⊢ (∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾 ↔ ∀𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾)
129	115, 128	sylib 208	. . . . . . 7 ⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾)
130	129	r19.21bi 3081	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾)
131	14	adantr 466	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝐾 ⊆ ℝ)
132	31	adantr 466	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘𝐾) ∈ ℝ)
133		ovolsscl 23474	. . . . . 6 ⊢ ((∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ 𝐾 ∧ 𝐾 ⊆ ℝ ∧ (vol‘𝐾) ∈ ℝ) → (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
134	130, 131, 132, 133	syl3anc 1476	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
135	127, 134	fsumrecl 14673	. . . 4 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
136	130, 131	sstrd 3762	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ)
137	136, 134	jca 501	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ ∧ (vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ))
138	137	ralrimiva 3115	. . . . 5 ⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)(∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ ∧ (vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ))
139		ovolfiniun 23489	. . . . 5 ⊢ (((1...𝑀) ∈ Fin ∧ ∀𝑗 ∈ (1...𝑀)(∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ℝ ∧ (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)) → (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ Σ𝑗 ∈ (1...𝑀)(vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
140	127, 138, 139	syl2anc 573	. . . 4 ⊢ (𝜑 → (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ Σ𝑗 ∈ (1...𝑀)(vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
141		uniioombl.m	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ ℕ)
142	119, 141	nndivred 11271	. . . . . . 7 ⊢ (𝜑 → (𝐶 / 𝑀) ∈ ℝ)
143	142	adantr 466	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐶 / 𝑀) ∈ ℝ)
144	80	ineq2d 3965	. . . . . . . . . . . . 13 ⊢ (𝜑 → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖))))
145	144	adantr 466	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖))))
146	102	a1i 11	. . . . . . . . . . . . . 14 ⊢ (𝑖 ∈ (1...𝑁) → (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖))))
147	146	iuneq2i 4673	. . . . . . . . . . . . 13 ⊢ ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖)))
148		iunin2 4718	. . . . . . . . . . . . 13 ⊢ ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐺‘𝑗)) ∩ ((,)‘(𝐹‘𝑖))) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)))
149	147, 148	eqtri 2793	. . . . . . . . . . . 12 ⊢ ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)))
150	145, 149	syl6eqr 2823	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) = ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
151		fzfid 12980	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (1...𝑁) ∈ Fin)
152		ffvelrn 6500	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑖 ∈ ℕ) → (𝐹‘𝑖) ∈ ( ≤ ∩ (ℝ × ℝ)))
153	15, 76, 152	syl2an 583	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → (𝐹‘𝑖) ∈ ( ≤ ∩ (ℝ × ℝ)))
154	57, 153	sseldi 3750	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → (𝐹‘𝑖) ∈ (ℝ × ℝ))
155		1st2nd2 7354	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹‘𝑖) ∈ (ℝ × ℝ) → (𝐹‘𝑖) = ⟨(1^st ‘(𝐹‘𝑖)), (2^nd ‘(𝐹‘𝑖))⟩)
156	154, 155	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → (𝐹‘𝑖) = ⟨(1^st ‘(𝐹‘𝑖)), (2^nd ‘(𝐹‘𝑖))⟩)
157	156	fveq2d 6336	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐹‘𝑖)) = ((,)‘⟨(1^st ‘(𝐹‘𝑖)), (2^nd ‘(𝐹‘𝑖))⟩))
158		df-ov 6796	. . . . . . . . . . . . . . . . 17 ⊢ ((1^st ‘(𝐹‘𝑖))(,)(2^nd ‘(𝐹‘𝑖))) = ((,)‘⟨(1^st ‘(𝐹‘𝑖)), (2^nd ‘(𝐹‘𝑖))⟩)
159	157, 158	syl6eqr 2823	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐹‘𝑖)) = ((1^st ‘(𝐹‘𝑖))(,)(2^nd ‘(𝐹‘𝑖))))
160		ioombl 23553	. . . . . . . . . . . . . . . 16 ⊢ ((1^st ‘(𝐹‘𝑖))(,)(2^nd ‘(𝐹‘𝑖))) ∈ dom vol
161	159, 160	syl6eqel 2858	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐹‘𝑖)) ∈ dom vol)
162	161	adantlr 694	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐹‘𝑖)) ∈ dom vol)
163		ffvelrn 6500	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → (𝐺‘𝑗) ∈ ( ≤ ∩ (ℝ × ℝ)))
164	8, 93, 163	syl2an 583	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) ∈ ( ≤ ∩ (ℝ × ℝ)))
165	57, 164	sseldi 3750	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) ∈ (ℝ × ℝ))
166		1st2nd2 7354	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐺‘𝑗) ∈ (ℝ × ℝ) → (𝐺‘𝑗) = ⟨(1^st ‘(𝐺‘𝑗)), (2^nd ‘(𝐺‘𝑗))⟩)
167	165, 166	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐺‘𝑗) = ⟨(1^st ‘(𝐺‘𝑗)), (2^nd ‘(𝐺‘𝑗))⟩)
168	167	fveq2d 6336	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) = ((,)‘⟨(1^st ‘(𝐺‘𝑗)), (2^nd ‘(𝐺‘𝑗))⟩))
169		df-ov 6796	. . . . . . . . . . . . . . . . 17 ⊢ ((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗))) = ((,)‘⟨(1^st ‘(𝐺‘𝑗)), (2^nd ‘(𝐺‘𝑗))⟩)
170	168, 169	syl6eqr 2823	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) = ((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗))))
171		ioombl 23553	. . . . . . . . . . . . . . . 16 ⊢ ((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗))) ∈ dom vol
172	170, 171	syl6eqel 2858	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) ∈ dom vol)
173	172	adantr 466	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐺‘𝑗)) ∈ dom vol)
174		inmbl 23530	. . . . . . . . . . . . . 14 ⊢ ((((,)‘(𝐹‘𝑖)) ∈ dom vol ∧ ((,)‘(𝐺‘𝑗)) ∈ dom vol) → (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol)
175	162, 173, 174	syl2anc 573	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol)
176	175	ralrimiva 3115	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ∀𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol)
177		finiunmbl 23532	. . . . . . . . . . . 12 ⊢ (((1...𝑁) ∈ Fin ∧ ∀𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol) → ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol)
178	151, 176, 177	syl2anc 573	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol)
179	150, 178	eqeltrd 2850	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) ∈ dom vol)
180		inss2 3982	. . . . . . . . . . 11 ⊢ (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ 𝐴
181	15	uniiccdif 23566	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (∪ ran ((,) ∘ 𝐹) ⊆ ∪ ran ([,] ∘ 𝐹) ∧ (vol*‘(∪ ran ([,] ∘ 𝐹) ∖ ∪ ran ((,) ∘ 𝐹))) = 0))
182	181	simpld 482	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ∪ ran ((,) ∘ 𝐹) ⊆ ∪ ran ([,] ∘ 𝐹))
183		ovolficcss 23457	. . . . . . . . . . . . . . 15 ⊢ (𝐹:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → ∪ ran ([,] ∘ 𝐹) ⊆ ℝ)
184	15, 183	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ∪ ran ([,] ∘ 𝐹) ⊆ ℝ)
185	182, 184	sstrd 3762	. . . . . . . . . . . . 13 ⊢ (𝜑 → ∪ ran ((,) ∘ 𝐹) ⊆ ℝ)
186	18, 185	syl5eqss 3798	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐴 ⊆ ℝ)
187	186	adantr 466	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → 𝐴 ⊆ ℝ)
188	180, 187	syl5ss 3763	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ ℝ)
189		inss1 3981	. . . . . . . . . . . 12 ⊢ (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ ((,)‘(𝐺‘𝑗))
190	189	a1i 11	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ ((,)‘(𝐺‘𝑗)))
191		ioossre 12440	. . . . . . . . . . . 12 ⊢ ((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗))) ⊆ ℝ
192	170, 191	syl6eqss 3804	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((,)‘(𝐺‘𝑗)) ⊆ ℝ)
193	170	fveq2d 6336	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘((,)‘(𝐺‘𝑗))) = (vol‘((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗)))))
194		ovolfcl 23454	. . . . . . . . . . . . . . 15 ⊢ ((𝐺:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑗 ∈ ℕ) → ((1^st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2^nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1^st ‘(𝐺‘𝑗)) ≤ (2^nd ‘(𝐺‘𝑗))))
195	8, 93, 194	syl2an 583	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((1^st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2^nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1^st ‘(𝐺‘𝑗)) ≤ (2^nd ‘(𝐺‘𝑗))))
196		ovolioo 23556	. . . . . . . . . . . . . 14 ⊢ (((1^st ‘(𝐺‘𝑗)) ∈ ℝ ∧ (2^nd ‘(𝐺‘𝑗)) ∈ ℝ ∧ (1^st ‘(𝐺‘𝑗)) ≤ (2^nd ‘(𝐺‘𝑗))) → (vol*‘((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗)))) = ((2^nd ‘(𝐺‘𝑗)) − (1^st ‘(𝐺‘𝑗))))
197	195, 196	syl 17	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((1^st ‘(𝐺‘𝑗))(,)(2^nd ‘(𝐺‘𝑗)))) = ((2^nd ‘(𝐺‘𝑗)) − (1^st ‘(𝐺‘𝑗))))
198	193, 197	eqtrd 2805	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((,)‘(𝐺‘𝑗))) = ((2^nd ‘(𝐺‘𝑗)) − (1^st ‘(𝐺‘𝑗))))
199	195	simp2d 1137	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (2^nd ‘(𝐺‘𝑗)) ∈ ℝ)
200	195	simp1d 1136	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (1^st ‘(𝐺‘𝑗)) ∈ ℝ)
201	199, 200	resubcld 10660	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((2^nd ‘(𝐺‘𝑗)) − (1^st ‘(𝐺‘𝑗))) ∈ ℝ)
202	198, 201	eqeltrd 2850	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ)
203		ovolsscl 23474	. . . . . . . . . . 11 ⊢ (((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ ((,)‘(𝐺‘𝑗)) ∧ ((,)‘(𝐺‘𝑗)) ⊆ ℝ ∧ (vol‘((,)‘(𝐺‘𝑗))) ∈ ℝ) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) ∈ ℝ)
204	190, 192, 202, 203	syl3anc 1476	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) ∈ ℝ)
205		mblsplit 23520	. . . . . . . . . 10 ⊢ (((((,)‘(𝐺‘𝑗)) ∩ 𝐿) ∈ dom vol ∧ (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ⊆ ℝ ∧ (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) ∈ ℝ) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) = ((vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))) + (vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)))))
206	179, 188, 204, 205	syl3anc 1476	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) = ((vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))) + (vol*‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)))))
207		imassrn 5618	. . . . . . . . . . . . . . 15 ⊢ (((,) ∘ 𝐹) “ (1...𝑁)) ⊆ ran ((,) ∘ 𝐹)
208	207	unissi 4597	. . . . . . . . . . . . . 14 ⊢ ∪ (((,) ∘ 𝐹) “ (1...𝑁)) ⊆ ∪ ran ((,) ∘ 𝐹)
209	208, 72, 18	3sstr4i 3793	. . . . . . . . . . . . 13 ⊢ 𝐿 ⊆ 𝐴
210		sslin 3987	. . . . . . . . . . . . 13 ⊢ (𝐿 ⊆ 𝐴 → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) ⊆ (((,)‘(𝐺‘𝑗)) ∩ 𝐴))
211	209, 210	mp1i 13	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ 𝐿) ⊆ (((,)‘(𝐺‘𝑗)) ∩ 𝐴))
212		sseqin2 3968	. . . . . . . . . . . 12 ⊢ ((((,)‘(𝐺‘𝑗)) ∩ 𝐿) ⊆ (((,)‘(𝐺‘𝑗)) ∩ 𝐴) ↔ ((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)) = (((,)‘(𝐺‘𝑗)) ∩ 𝐿))
213	211, 212	sylib 208	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)) = (((,)‘(𝐺‘𝑗)) ∩ 𝐿))
214	213	fveq2d 6336	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))) = (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)))
215		indifdir 4032	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∖ 𝐿) ∩ ((,)‘(𝐺‘𝑗))) = ((𝐴 ∩ ((,)‘(𝐺‘𝑗))) ∖ (𝐿 ∩ ((,)‘(𝐺‘𝑗))))
216		incom 3956	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ 𝐴)
217		incom 3956	. . . . . . . . . . . . . 14 ⊢ (𝐿 ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ 𝐿)
218	216, 217	difeq12i 3877	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∩ ((,)‘(𝐺‘𝑗))) ∖ (𝐿 ∩ ((,)‘(𝐺‘𝑗)))) = ((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))
219	215, 218	eqtri 2793	. . . . . . . . . . . 12 ⊢ ((𝐴 ∖ 𝐿) ∩ ((,)‘(𝐺‘𝑗))) = ((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))
220	82	eqcomd 2777	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = 𝐴)
221	80	ineq1d 3964	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (𝐿 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
222		fveq2 6332	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑥 = 𝑖 → (𝐹‘𝑥) = (𝐹‘𝑖))
223	222	fveq2d 6336	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑥 = 𝑖 → ((,)‘(𝐹‘𝑥)) = ((,)‘(𝐹‘𝑖)))
224	223	cbvdisjv 4765	. . . . . . . . . . . . . . . . . . . 20 ⊢ (Disj 𝑥 ∈ ℕ ((,)‘(𝐹‘𝑥)) ↔ Disj 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
225	16, 224	sylib 208	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → Disj 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
226	76	ssriv 3756	. . . . . . . . . . . . . . . . . . . 20 ⊢ (1...𝑁) ⊆ ℕ
227	226	a1i 11	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (1...𝑁) ⊆ ℕ)
228		uzss 11909	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑁 + 1) ∈ (ℤ_≥‘1) → (ℤ_≥‘(𝑁 + 1)) ⊆ (ℤ_≥‘1))
229	42, 228	syl 17	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (ℤ_≥‘(𝑁 + 1)) ⊆ (ℤ_≥‘1))
230	229, 39	syl6sseqr 3801	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → (ℤ_≥‘(𝑁 + 1)) ⊆ ℕ)
231		uzdisj 12620	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((1...((𝑁 + 1) − 1)) ∩ (ℤ_≥‘(𝑁 + 1))) = ∅
232	50	ineq1d 3964	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → ((1...((𝑁 + 1) − 1)) ∩ (ℤ_≥‘(𝑁 + 1))) = ((1...𝑁) ∩ (ℤ_≥‘(𝑁 + 1))))
233	231, 232	syl5reqr 2820	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → ((1...𝑁) ∩ (ℤ_≥‘(𝑁 + 1))) = ∅)
234		disjiun 4774	. . . . . . . . . . . . . . . . . . 19 ⊢ ((Disj 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)) ∧ ((1...𝑁) ⊆ ℕ ∧ (ℤ_≥‘(𝑁 + 1)) ⊆ ℕ ∧ ((1...𝑁) ∩ (ℤ_≥‘(𝑁 + 1))) = ∅)) → (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = ∅)
235	225, 227, 230, 233, 234	syl13anc 1478	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → (∪ 𝑖 ∈ (1...𝑁)((,)‘(𝐹‘𝑖)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = ∅)
236	221, 235	eqtrd 2805	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝐿 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = ∅)
237		uneqdifeq 4199	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐿 ⊆ 𝐴 ∧ (𝐿 ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = ∅) → ((𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = 𝐴 ↔ (𝐴 ∖ 𝐿) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
238	209, 236, 237	sylancr 575	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((𝐿 ∪ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))) = 𝐴 ↔ (𝐴 ∖ 𝐿) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
239	220, 238	mpbid 222	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐴 ∖ 𝐿) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
240	239	adantr 466	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (𝐴 ∖ 𝐿) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
241	240	ineq2d 3965	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((,)‘(𝐺‘𝑗)) ∩ (𝐴 ∖ 𝐿)) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖))))
242		incom 3956	. . . . . . . . . . . . 13 ⊢ ((𝐴 ∖ 𝐿) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ (𝐴 ∖ 𝐿))
243	104, 101	eqtri 2793	. . . . . . . . . . . . 13 ⊢ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) = (((,)‘(𝐺‘𝑗)) ∩ ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))((,)‘(𝐹‘𝑖)))
244	241, 242, 243	3eqtr4g 2830	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((𝐴 ∖ 𝐿) ∩ ((,)‘(𝐺‘𝑗))) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
245	219, 244	syl5eqr 2819	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)) = ∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
246	245	fveq2d 6336	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))) = (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
247	214, 246	oveq12d 6811	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∩ (((,)‘(𝐺‘𝑗)) ∩ 𝐿))) + (vol‘((((,)‘(𝐺‘𝑗)) ∩ 𝐴) ∖ (((,)‘(𝐺‘𝑗)) ∩ 𝐿)))) = ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
248	206, 247	eqtrd 2805	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) = ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))))
249	204, 143	resubcld 10660	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol*‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) ∈ ℝ)
250		inss2 3982	. . . . . . . . . . . . . 14 ⊢ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐺‘𝑗))
251	250	a1i 11	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐺‘𝑗)))
252	192	adantr 466	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → ((,)‘(𝐺‘𝑗)) ⊆ ℝ)
253	202	adantr 466	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (vol*‘((,)‘(𝐺‘𝑗))) ∈ ℝ)
254		ovolsscl 23474	. . . . . . . . . . . . 13 ⊢ (((((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐺‘𝑗)) ∧ ((,)‘(𝐺‘𝑗)) ⊆ ℝ ∧ (vol‘((,)‘(𝐺‘𝑗))) ∈ ℝ) → (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
255	251, 252, 253, 254	syl3anc 1476	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (vol*‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
256	151, 255	fsumrecl 14673	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → Σ𝑖 ∈ (1...𝑁)(vol*‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
257		uniioombl.n2	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ∀𝑗 ∈ (1...𝑀)(abs‘(Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) − (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)))) < (𝐶 / 𝑀))
258	257	r19.21bi 3081	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (abs‘(Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) − (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)))) < (𝐶 / 𝑀))
259	256, 204, 143	absdifltd 14380	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((abs‘(Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) − (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)))) < (𝐶 / 𝑀) ↔ (((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) < Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∧ Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) < ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) + (𝐶 / 𝑀)))))
260	258, 259	mpbid 222	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) < Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∧ Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) < ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) + (𝐶 / 𝑀))))
261	260	simpld 482	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) < Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
262	249, 256, 261	ltled 10387	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) ≤ Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
263	150	fveq2d 6336	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) = (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
264		mblvol 23518	. . . . . . . . . . . . . . . . 17 ⊢ ((((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol → (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = (vol*‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
265	175, 264	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = (vol*‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
266	265, 255	eqeltrd 2850	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ)
267	175, 266	jca 501	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑗 ∈ (1...𝑀)) ∧ 𝑖 ∈ (1...𝑁)) → ((((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol ∧ (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ))
268	267	ralrimiva 3115	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ∀𝑖 ∈ (1...𝑁)((((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol ∧ (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ))
269		inss1 3981	. . . . . . . . . . . . . . . 16 ⊢ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐹‘𝑖))
270	269	rgenw 3073	. . . . . . . . . . . . . . 15 ⊢ ∀𝑖 ∈ ℕ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐹‘𝑖))
271	225	adantr 466	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → Disj 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)))
272		disjss2 4757	. . . . . . . . . . . . . . 15 ⊢ (∀𝑖 ∈ ℕ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ⊆ ((,)‘(𝐹‘𝑖)) → (Disj 𝑖 ∈ ℕ ((,)‘(𝐹‘𝑖)) → Disj 𝑖 ∈ ℕ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
273	270, 271, 272	mpsyl 68	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → Disj 𝑖 ∈ ℕ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
274		disjss1 4760	. . . . . . . . . . . . . 14 ⊢ ((1...𝑁) ⊆ ℕ → (Disj 𝑖 ∈ ℕ (((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) → Disj 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
275	226, 273, 274	mpsyl 68	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → Disj 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))
276		volfiniun 23535	. . . . . . . . . . . . 13 ⊢ (((1...𝑁) ∈ Fin ∧ ∀𝑖 ∈ (1...𝑁)((((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol ∧ (vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ∈ ℝ) ∧ Disj 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) → (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
277	151, 268, 275, 276	syl3anc 1476	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
278		mblvol 23518	. . . . . . . . . . . . 13 ⊢ (∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))) ∈ dom vol → (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = (vol*‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
279	178, 278	syl 17	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = (vol*‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
280	265	sumeq2dv 14641	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = Σ𝑖 ∈ (1...𝑁)(vol*‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
281	277, 279, 280	3eqtr3d 2813	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘∪ 𝑖 ∈ (1...𝑁)(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) = Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
282	263, 281	eqtrd 2805	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) = Σ𝑖 ∈ (1...𝑁)(vol‘(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))))
283	262, 282	breqtrrd 4814	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) ≤ (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)))
284	282, 256	eqeltrd 2850	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) ∈ ℝ)
285	204, 143, 284	lesubaddd 10826	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) − (𝐶 / 𝑀)) ≤ (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) ↔ (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) ≤ ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (𝐶 / 𝑀))))
286	283, 285	mpbid 222	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐴)) ≤ ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (𝐶 / 𝑀)))
287	248, 286	eqbrtrrd 4810	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ≤ ((vol*‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (𝐶 / 𝑀)))
288	134, 143, 284	leadd2d 10824	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → ((vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ (𝐶 / 𝑀) ↔ ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (vol‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ≤ ((vol‘(((,)‘(𝐺‘𝑗)) ∩ 𝐿)) + (𝐶 / 𝑀))))
289	287, 288	mpbird 247	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑀)) → (vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ (𝐶 / 𝑀))
290	127, 134, 143, 289	fsumle 14738	. . . . 5 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ Σ𝑗 ∈ (1...𝑀)(𝐶 / 𝑀))
291	142	recnd 10270	. . . . . . 7 ⊢ (𝜑 → (𝐶 / 𝑀) ∈ ℂ)
292		fsumconst 14729	. . . . . . 7 ⊢ (((1...𝑀) ∈ Fin ∧ (𝐶 / 𝑀) ∈ ℂ) → Σ𝑗 ∈ (1...𝑀)(𝐶 / 𝑀) = ((♯‘(1...𝑀)) · (𝐶 / 𝑀)))
293	127, 291, 292	syl2anc 573	. . . . . 6 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(𝐶 / 𝑀) = ((♯‘(1...𝑀)) · (𝐶 / 𝑀)))
294		nnnn0 11501	. . . . . . . 8 ⊢ (𝑀 ∈ ℕ → 𝑀 ∈ ℕ₀)
295		hashfz1 13338	. . . . . . . 8 ⊢ (𝑀 ∈ ℕ₀ → (♯‘(1...𝑀)) = 𝑀)
296	141, 294, 295	3syl 18	. . . . . . 7 ⊢ (𝜑 → (♯‘(1...𝑀)) = 𝑀)
297	296	oveq1d 6808	. . . . . 6 ⊢ (𝜑 → ((♯‘(1...𝑀)) · (𝐶 / 𝑀)) = (𝑀 · (𝐶 / 𝑀)))
298	119	recnd 10270	. . . . . . 7 ⊢ (𝜑 → 𝐶 ∈ ℂ)
299	141	nncnd 11238	. . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℂ)
300	141	nnne0d 11267	. . . . . . 7 ⊢ (𝜑 → 𝑀 ≠ 0)
301	298, 299, 300	divcan2d 11005	. . . . . 6 ⊢ (𝜑 → (𝑀 · (𝐶 / 𝑀)) = 𝐶)
302	293, 297, 301	3eqtrd 2809	. . . . 5 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(𝐶 / 𝑀) = 𝐶)
303	290, 302	breqtrd 4812	. . . 4 ⊢ (𝜑 → Σ𝑗 ∈ (1...𝑀)(vol*‘∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ 𝐶)
304	117, 135, 119, 140, 303	letrd 10396	. . 3 ⊢ (𝜑 → (vol*‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗)))) ≤ 𝐶)
305	117, 119, 37, 304	leadd2dd 10844	. 2 ⊢ (𝜑 → ((vol‘(𝐾 ∩ 𝐿)) + (vol‘∪ 𝑗 ∈ (1...𝑀)∪ 𝑖 ∈ (ℤ_≥‘(𝑁 + 1))(((,)‘(𝐹‘𝑖)) ∩ ((,)‘(𝐺‘𝑗))))) ≤ ((vol*‘(𝐾 ∩ 𝐿)) + 𝐶))
306	33, 118, 120, 126, 305	letrd 10396	1 ⊢ (𝜑 → (vol‘(𝐾 ∩ 𝐴)) ≤ ((vol‘(𝐾 ∩ 𝐿)) + 𝐶))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 196 ∧ wa 382 ∧ w3a 1071 = wceq 1631 ∈ wcel 2145 ∀wral 3061 ∖ cdif 3720 ∪ cun 3721 ∩ cin 3722 ⊆ wss 3723 ∅c0 4063 𝒫 cpw 4297 ⟨cop 4322 ∪ cuni 4574 ∪ ciun 4654 Disj wdisj 4754 class class class wbr 4786 × cxp 5247 dom cdm 5249 ran crn 5250 “ cima 5252 ∘ ccom 5253 Fun wfun 6025 Fn wfn 6026 ⟶wf 6027 ‘cfv 6031 (class class class)co 6793 1^st c1st 7313 2^nd c2nd 7314 Fincfn 8109 supcsup 8502 ℂcc 10136 ℝcr 10137 0cc0 10138 1c1 10139 + caddc 10141 · cmul 10143 ℝ^*cxr 10275 < clt 10276 ≤ cle 10277 − cmin 10468 / cdiv 10886 ℕcn 11222 ℕ₀cn0 11494 ℤ_≥cuz 11888 ℝ⁺crp 12035 (,)cioo 12380 [,]cicc 12383 ...cfz 12533 seqcseq 13008 ♯chash 13321 abscabs 14182 Σcsu 14624 vol*covol 23450 volcvol 23451

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1870 ax-4 1885 ax-5 1991 ax-6 2057 ax-7 2093 ax-8 2147 ax-9 2154 ax-10 2174 ax-11 2190 ax-12 2203 ax-13 2408 ax-ext 2751 ax-rep 4904 ax-sep 4915 ax-nul 4923 ax-pow 4974 ax-pr 5034 ax-un 7096 ax-inf2 8702 ax-cnex 10194 ax-resscn 10195 ax-1cn 10196 ax-icn 10197 ax-addcl 10198 ax-addrcl 10199 ax-mulcl 10200 ax-mulrcl 10201 ax-mulcom 10202 ax-addass 10203 ax-mulass 10204 ax-distr 10205 ax-i2m1 10206 ax-1ne0 10207 ax-1rid 10208 ax-rnegex 10209 ax-rrecex 10210 ax-cnre 10211 ax-pre-lttri 10212 ax-pre-lttrn 10213 ax-pre-ltadd 10214 ax-pre-mulgt0 10215 ax-pre-sup 10216

This theorem depends on definitions: df-bi 197 df-an 383 df-or 837 df-3or 1072 df-3an 1073 df-tru 1634 df-fal 1637 df-ex 1853 df-nf 1858 df-sb 2050 df-eu 2622 df-mo 2623 df-clab 2758 df-cleq 2764 df-clel 2767 df-nfc 2902 df-ne 2944 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rmo 3069 df-rab 3070 df-v 3353 df-sbc 3588 df-csb 3683 df-dif 3726 df-un 3728 df-in 3730 df-ss 3737 df-pss 3739 df-nul 4064 df-if 4226 df-pw 4299 df-sn 4317 df-pr 4319 df-tp 4321 df-op 4323 df-uni 4575 df-int 4612 df-iun 4656 df-disj 4755 df-br 4787 df-opab 4847 df-mpt 4864 df-tr 4887 df-id 5157 df-eprel 5162 df-po 5170 df-so 5171 df-fr 5208 df-se 5209 df-we 5210 df-xp 5255 df-rel 5256 df-cnv 5257 df-co 5258 df-dm 5259 df-rn 5260 df-res 5261 df-ima 5262 df-pred 5823 df-ord 5869 df-on 5870 df-lim 5871 df-suc 5872 df-iota 5994 df-fun 6033 df-fn 6034 df-f 6035 df-f1 6036 df-fo 6037 df-f1o 6038 df-fv 6039 df-isom 6040 df-riota 6754 df-ov 6796 df-oprab 6797 df-mpt2 6798 df-of 7044 df-om 7213 df-1st 7315 df-2nd 7316 df-wrecs 7559 df-recs 7621 df-rdg 7659 df-1o 7713 df-2o 7714 df-oadd 7717 df-er 7896 df-map 8011 df-pm 8012 df-en 8110 df-dom 8111 df-sdom 8112 df-fin 8113 df-fi 8473 df-sup 8504 df-inf 8505 df-oi 8571 df-card 8965 df-acn 8968 df-cda 9192 df-pnf 10278 df-mnf 10279 df-xr 10280 df-ltxr 10281 df-le 10282 df-sub 10470 df-neg 10471 df-div 10887 df-nn 11223 df-2 11281 df-3 11282 df-n0 11495 df-z 11580 df-uz 11889 df-q 11992 df-rp 12036 df-xneg 12151 df-xadd 12152 df-xmul 12153 df-ioo 12384 df-ico 12386 df-icc 12387 df-fz 12534 df-fzo 12674 df-fl 12801 df-seq 13009 df-exp 13068 df-hash 13322 df-cj 14047 df-re 14048 df-im 14049 df-sqrt 14183 df-abs 14184 df-clim 14427 df-rlim 14428 df-sum 14625 df-rest 16291 df-topgen 16312 df-psmet 19953 df-xmet 19954 df-met 19955 df-bl 19956 df-mopn 19957 df-top 20919 df-topon 20936 df-bases 20971 df-cmp 21411 df-ovol 23452 df-vol 23453

This theorem is referenced by: uniioombllem5 23575

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