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Theorem ovoliunlem2 25027

Description: Lemma for ovoliun 25029. (Contributed by Mario Carneiro, 12-Jun-2014.)

**Hypotheses**
Ref	Expression
ovoliun.t	⊢ 𝑇 = seq1( + , 𝐺)
ovoliun.g	⊢ 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
ovoliun.a	⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
ovoliun.v	⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
ovoliun.r	⊢ (𝜑 → sup(ran 𝑇, ℝ^*, < ) ∈ ℝ)
ovoliun.b	⊢ (𝜑 → 𝐵 ∈ ℝ⁺)
ovoliun.s	⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹‘𝑛)))
ovoliun.u	⊢ 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
ovoliun.h	⊢ 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1^st ‘(𝐽‘𝑘)))‘(2^nd ‘(𝐽‘𝑘))))
ovoliun.j	⊢ (𝜑 → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
ovoliun.f	⊢ (𝜑 → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
ovoliun.x1	⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)))
ovoliun.x2	⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ^, < ) ≤ ((vol‘𝐴) + (𝐵 / (2↑𝑛))))

**Assertion**
Ref	Expression
ovoliunlem2	⊢ (𝜑 → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵))

Distinct variable groups: 𝐴,𝑘 𝑘,𝑛,𝐵 𝑘,𝐹,𝑛 𝑘,𝐽,𝑛 𝑛,𝐻 𝜑,𝑘,𝑛 𝑆,𝑘 𝑘,𝐺 𝑇,𝑘 𝑛,𝐺 𝑇,𝑛 Allowed substitution hints: 𝐴(𝑛) 𝑆(𝑛) 𝑈(𝑘,𝑛) 𝐻(𝑘)

Proof of Theorem ovoliunlem2 Dummy variables 𝑗 𝑚 𝑥 𝑧 𝑤 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ovoliun.a	. . . . 5 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
2	1	ralrimiva 3146	. . . 4 ⊢ (𝜑 → ∀𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
3		iunss 5048	. . . 4 ⊢ (∪ 𝑛 ∈ ℕ 𝐴 ⊆ ℝ ↔ ∀𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
4	2, 3	sylibr 233	. . 3 ⊢ (𝜑 → ∪ 𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
5		ovolcl 25002	. . 3 ⊢ (∪ 𝑛 ∈ ℕ 𝐴 ⊆ ℝ → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ∈ ℝ^)
6	4, 5	syl 17	. 2 ⊢ (𝜑 → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ∈ ℝ^)
7		ovoliun.f	. . . . . . . . . 10 ⊢ (𝜑 → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
8	7	adantr 481	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
9		ovoliun.j	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
10		f1of 6833	. . . . . . . . . . . 12 ⊢ (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → 𝐽:ℕ⟶(ℕ × ℕ))
11	9, 10	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐽:ℕ⟶(ℕ × ℕ))
12	11	ffvelcdmda 7086	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐽‘𝑘) ∈ (ℕ × ℕ))
13		xp1st 8009	. . . . . . . . . 10 ⊢ ((𝐽‘𝑘) ∈ (ℕ × ℕ) → (1^st ‘(𝐽‘𝑘)) ∈ ℕ)
14	12, 13	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (1^st ‘(𝐽‘𝑘)) ∈ ℕ)
15	8, 14	ffvelcdmd 7087	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐹‘(1^st ‘(𝐽‘𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
16		elovolmlem 24998	. . . . . . . 8 ⊢ ((𝐹‘(1^st ‘(𝐽‘𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ) ↔ (𝐹‘(1^st ‘(𝐽‘𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
17	15, 16	sylib 217	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐹‘(1^st ‘(𝐽‘𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
18		xp2nd 8010	. . . . . . . 8 ⊢ ((𝐽‘𝑘) ∈ (ℕ × ℕ) → (2^nd ‘(𝐽‘𝑘)) ∈ ℕ)
19	12, 18	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (2^nd ‘(𝐽‘𝑘)) ∈ ℕ)
20	17, 19	ffvelcdmd 7087	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((𝐹‘(1^st ‘(𝐽‘𝑘)))‘(2^nd ‘(𝐽‘𝑘))) ∈ ( ≤ ∩ (ℝ × ℝ)))
21		ovoliun.h	. . . . . 6 ⊢ 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1^st ‘(𝐽‘𝑘)))‘(2^nd ‘(𝐽‘𝑘))))
22	20, 21	fmptd 7115	. . . . 5 ⊢ (𝜑 → 𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
23		eqid 2732	. . . . . 6 ⊢ ((abs ∘ − ) ∘ 𝐻) = ((abs ∘ − ) ∘ 𝐻)
24		ovoliun.u	. . . . . 6 ⊢ 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
25	23, 24	ovolsf 24996	. . . . 5 ⊢ (𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑈:ℕ⟶(0[,)+∞))
26		frn 6724	. . . . 5 ⊢ (𝑈:ℕ⟶(0[,)+∞) → ran 𝑈 ⊆ (0[,)+∞))
27	22, 25, 26	3syl 18	. . . 4 ⊢ (𝜑 → ran 𝑈 ⊆ (0[,)+∞))
28		icossxr 13411	. . . 4 ⊢ (0[,)+∞) ⊆ ℝ^*
29	27, 28	sstrdi 3994	. . 3 ⊢ (𝜑 → ran 𝑈 ⊆ ℝ^*)
30		supxrcl 13296	. . 3 ⊢ (ran 𝑈 ⊆ ℝ^* → sup(ran 𝑈, ℝ^, < ) ∈ ℝ^)
31	29, 30	syl 17	. 2 ⊢ (𝜑 → sup(ran 𝑈, ℝ^, < ) ∈ ℝ^)
32		ovoliun.r	. . . 4 ⊢ (𝜑 → sup(ran 𝑇, ℝ^*, < ) ∈ ℝ)
33		ovoliun.b	. . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℝ⁺)
34	33	rpred 13018	. . . 4 ⊢ (𝜑 → 𝐵 ∈ ℝ)
35	32, 34	readdcld 11245	. . 3 ⊢ (𝜑 → (sup(ran 𝑇, ℝ^*, < ) + 𝐵) ∈ ℝ)
36	35	rexrd 11266	. 2 ⊢ (𝜑 → (sup(ran 𝑇, ℝ^, < ) + 𝐵) ∈ ℝ^)
37		eliun 5001	. . . . . 6 ⊢ (𝑧 ∈ ∪ 𝑛 ∈ ℕ 𝐴 ↔ ∃𝑛 ∈ ℕ 𝑧 ∈ 𝐴)
38		ovoliun.x1	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)))
39	38	3adant3 1132	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → 𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)))
40	1	3adant3 1132	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → 𝐴 ⊆ ℝ)
41	7	ffvelcdmda 7086	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐹‘𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
42		elovolmlem 24998	. . . . . . . . . . . . 13 ⊢ ((𝐹‘𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ) ↔ (𝐹‘𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
43	41, 42	sylib 217	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐹‘𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
44	43	3adant3 1132	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → (𝐹‘𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
45		ovolfioo 24991	. . . . . . . . . . 11 ⊢ ((𝐴 ⊆ ℝ ∧ (𝐹‘𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ))) → (𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)) ↔ ∀𝑧 ∈ 𝐴 ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗)))))
46	40, 44, 45	syl2anc 584	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → (𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)) ↔ ∀𝑧 ∈ 𝐴 ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗)))))
47	39, 46	mpbid 231	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → ∀𝑧 ∈ 𝐴 ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))))
48		simp3 1138	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → 𝑧 ∈ 𝐴)
49		rsp 3244	. . . . . . . . 9 ⊢ (∀𝑧 ∈ 𝐴 ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))) → (𝑧 ∈ 𝐴 → ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗)))))
50	47, 48, 49	sylc 65	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → ∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))))
51		simpl1 1191	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → 𝜑)
52		f1ocnv 6845	. . . . . . . . . . . 12 ⊢ (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → ^◡𝐽:(ℕ × ℕ)–1-1-onto→ℕ)
53		f1of 6833	. . . . . . . . . . . 12 ⊢ (^◡𝐽:(ℕ × ℕ)–1-1-onto→ℕ → ^◡𝐽:(ℕ × ℕ)⟶ℕ)
54	51, 9, 52, 53	4syl 19	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → ^◡𝐽:(ℕ × ℕ)⟶ℕ)
55		simpl2 1192	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → 𝑛 ∈ ℕ)
56		simpr 485	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → 𝑗 ∈ ℕ)
57	54, 55, 56	fovcdmd 7581	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝑛^◡𝐽𝑗) ∈ ℕ)
58		2fveq3 6896	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑘 = (𝑛^◡𝐽𝑗) → (1^st ‘(𝐽‘𝑘)) = (1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))
59	58	fveq2d 6895	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = (𝑛^◡𝐽𝑗) → (𝐹‘(1^st ‘(𝐽‘𝑘))) = (𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗)))))
60		2fveq3 6896	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑘 = (𝑛^◡𝐽𝑗) → (2^nd ‘(𝐽‘𝑘)) = (2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗))))
61	59, 60	fveq12d 6898	. . . . . . . . . . . . . . . . 17 ⊢ (𝑘 = (𝑛^◡𝐽𝑗) → ((𝐹‘(1^st ‘(𝐽‘𝑘)))‘(2^nd ‘(𝐽‘𝑘))) = ((𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))‘(2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗)))))
62		fvex 6904	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))‘(2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗)))) ∈ V
63	61, 21, 62	fvmpt 6998	. . . . . . . . . . . . . . . 16 ⊢ ((𝑛^◡𝐽𝑗) ∈ ℕ → (𝐻‘(𝑛^◡𝐽𝑗)) = ((𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))‘(2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗)))))
64	57, 63	syl 17	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝐻‘(𝑛^◡𝐽𝑗)) = ((𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))‘(2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗)))))
65		df-ov 7414	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑛^◡𝐽𝑗) = (^◡𝐽‘⟨𝑛, 𝑗⟩)
66	65	fveq2i 6894	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝐽‘(𝑛^◡𝐽𝑗)) = (𝐽‘(^◡𝐽‘⟨𝑛, 𝑗⟩))
67	51, 9	syl 17	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
68	55, 56	opelxpd 5715	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → ⟨𝑛, 𝑗⟩ ∈ (ℕ × ℕ))
69		f1ocnvfv2 7277	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝐽:ℕ–1-1-onto→(ℕ × ℕ) ∧ ⟨𝑛, 𝑗⟩ ∈ (ℕ × ℕ)) → (𝐽‘(^◡𝐽‘⟨𝑛, 𝑗⟩)) = ⟨𝑛, 𝑗⟩)
70	67, 68, 69	syl2anc 584	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝐽‘(^◡𝐽‘⟨𝑛, 𝑗⟩)) = ⟨𝑛, 𝑗⟩)
71	66, 70	eqtrid 2784	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝐽‘(𝑛^◡𝐽𝑗)) = ⟨𝑛, 𝑗⟩)
72	71	fveq2d 6895	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))) = (1^st ‘⟨𝑛, 𝑗⟩))
73		vex 3478	. . . . . . . . . . . . . . . . . . 19 ⊢ 𝑛 ∈ V
74		vex 3478	. . . . . . . . . . . . . . . . . . 19 ⊢ 𝑗 ∈ V
75	73, 74	op1st 7985	. . . . . . . . . . . . . . . . . 18 ⊢ (1^st ‘⟨𝑛, 𝑗⟩) = 𝑛
76	72, 75	eqtrdi 2788	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))) = 𝑛)
77	76	fveq2d 6895	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗)))) = (𝐹‘𝑛))
78	71	fveq2d 6895	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗))) = (2^nd ‘⟨𝑛, 𝑗⟩))
79	73, 74	op2nd 7986	. . . . . . . . . . . . . . . . 17 ⊢ (2^nd ‘⟨𝑛, 𝑗⟩) = 𝑗
80	78, 79	eqtrdi 2788	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗))) = 𝑗)
81	77, 80	fveq12d 6898	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → ((𝐹‘(1^st ‘(𝐽‘(𝑛^◡𝐽𝑗))))‘(2^nd ‘(𝐽‘(𝑛^◡𝐽𝑗)))) = ((𝐹‘𝑛)‘𝑗))
82	64, 81	eqtrd 2772	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝐻‘(𝑛^◡𝐽𝑗)) = ((𝐹‘𝑛)‘𝑗))
83	82	fveq2d 6895	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) = (1^st ‘((𝐹‘𝑛)‘𝑗)))
84	83	breq1d 5158	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → ((1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧 ↔ (1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧))
85	82	fveq2d 6895	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))) = (2^nd ‘((𝐹‘𝑛)‘𝑗)))
86	85	breq2d 5160	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))) ↔ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))))
87	84, 86	anbi12d 631	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (((1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗)))) ↔ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗)))))
88	87	biimprd 247	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))) → ((1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))))))
89		2fveq3 6896	. . . . . . . . . . . . 13 ⊢ (𝑚 = (𝑛^◡𝐽𝑗) → (1^st ‘(𝐻‘𝑚)) = (1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))))
90	89	breq1d 5158	. . . . . . . . . . . 12 ⊢ (𝑚 = (𝑛^◡𝐽𝑗) → ((1^st ‘(𝐻‘𝑚)) < 𝑧 ↔ (1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧))
91		2fveq3 6896	. . . . . . . . . . . . 13 ⊢ (𝑚 = (𝑛^◡𝐽𝑗) → (2^nd ‘(𝐻‘𝑚)) = (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))))
92	91	breq2d 5160	. . . . . . . . . . . 12 ⊢ (𝑚 = (𝑛^◡𝐽𝑗) → (𝑧 < (2^nd ‘(𝐻‘𝑚)) ↔ 𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗)))))
93	90, 92	anbi12d 631	. . . . . . . . . . 11 ⊢ (𝑚 = (𝑛^◡𝐽𝑗) → (((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚))) ↔ ((1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))))))
94	93	rspcev 3612	. . . . . . . . . 10 ⊢ (((𝑛^◡𝐽𝑗) ∈ ℕ ∧ ((1^st ‘(𝐻‘(𝑛^◡𝐽𝑗))) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘(𝑛^◡𝐽𝑗))))) → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚))))
95	57, 88, 94	syl6an 682	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) ∧ 𝑗 ∈ ℕ) → (((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))) → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
96	95	rexlimdva 3155	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → (∃𝑗 ∈ ℕ ((1^st ‘((𝐹‘𝑛)‘𝑗)) < 𝑧 ∧ 𝑧 < (2^nd ‘((𝐹‘𝑛)‘𝑗))) → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
97	50, 96	mpd 15	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ ∧ 𝑧 ∈ 𝐴) → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚))))
98	97	rexlimdv3a 3159	. . . . . 6 ⊢ (𝜑 → (∃𝑛 ∈ ℕ 𝑧 ∈ 𝐴 → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
99	37, 98	biimtrid 241	. . . . 5 ⊢ (𝜑 → (𝑧 ∈ ∪ 𝑛 ∈ ℕ 𝐴 → ∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
100	99	ralrimiv 3145	. . . 4 ⊢ (𝜑 → ∀𝑧 ∈ ∪ 𝑛 ∈ ℕ 𝐴∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚))))
101		ovolfioo 24991	. . . . 5 ⊢ ((∪ 𝑛 ∈ ℕ 𝐴 ⊆ ℝ ∧ 𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ))) → (∪ 𝑛 ∈ ℕ 𝐴 ⊆ ∪ ran ((,) ∘ 𝐻) ↔ ∀𝑧 ∈ ∪ 𝑛 ∈ ℕ 𝐴∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
102	4, 22, 101	syl2anc 584	. . . 4 ⊢ (𝜑 → (∪ 𝑛 ∈ ℕ 𝐴 ⊆ ∪ ran ((,) ∘ 𝐻) ↔ ∀𝑧 ∈ ∪ 𝑛 ∈ ℕ 𝐴∃𝑚 ∈ ℕ ((1^st ‘(𝐻‘𝑚)) < 𝑧 ∧ 𝑧 < (2^nd ‘(𝐻‘𝑚)))))
103	100, 102	mpbird 256	. . 3 ⊢ (𝜑 → ∪ 𝑛 ∈ ℕ 𝐴 ⊆ ∪ ran ((,) ∘ 𝐻))
104	24	ovollb 25003	. . 3 ⊢ ((𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ ∪ 𝑛 ∈ ℕ 𝐴 ⊆ ∪ ran ((,) ∘ 𝐻)) → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ≤ sup(ran 𝑈, ℝ^, < ))
105	22, 103, 104	syl2anc 584	. 2 ⊢ (𝜑 → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ≤ sup(ran 𝑈, ℝ^, < ))
106		fzfi 13939	. . . . . . 7 ⊢ (1...𝑗) ∈ Fin
107		elfznn 13532	. . . . . . . . . 10 ⊢ (𝑤 ∈ (1...𝑗) → 𝑤 ∈ ℕ)
108		ffvelcdm 7083	. . . . . . . . . . 11 ⊢ ((𝐽:ℕ⟶(ℕ × ℕ) ∧ 𝑤 ∈ ℕ) → (𝐽‘𝑤) ∈ (ℕ × ℕ))
109		xp1st 8009	. . . . . . . . . . 11 ⊢ ((𝐽‘𝑤) ∈ (ℕ × ℕ) → (1^st ‘(𝐽‘𝑤)) ∈ ℕ)
110		nnre 12221	. . . . . . . . . . 11 ⊢ ((1^st ‘(𝐽‘𝑤)) ∈ ℕ → (1^st ‘(𝐽‘𝑤)) ∈ ℝ)
111	108, 109, 110	3syl 18	. . . . . . . . . 10 ⊢ ((𝐽:ℕ⟶(ℕ × ℕ) ∧ 𝑤 ∈ ℕ) → (1^st ‘(𝐽‘𝑤)) ∈ ℝ)
112	11, 107, 111	syl2an 596	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑤 ∈ (1...𝑗)) → (1^st ‘(𝐽‘𝑤)) ∈ ℝ)
113	112	ralrimiva 3146	. . . . . . . 8 ⊢ (𝜑 → ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ∈ ℝ)
114	113	adantr 481	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑗 ∈ ℕ) → ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ∈ ℝ)
115		fimaxre3 12162	. . . . . . 7 ⊢ (((1...𝑗) ∈ Fin ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ∈ ℝ) → ∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥)
116	106, 114, 115	sylancr 587	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ ℕ) → ∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥)
117		fllep1 13768	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℝ → 𝑥 ≤ ((⌊‘𝑥) + 1))
118	117	ad2antlr 725	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → 𝑥 ≤ ((⌊‘𝑥) + 1))
119	112	adantlr 713	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → (1^st ‘(𝐽‘𝑤)) ∈ ℝ)
120		simplr 767	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → 𝑥 ∈ ℝ)
121		flcl 13762	. . . . . . . . . . . . . . 15 ⊢ (𝑥 ∈ ℝ → (⌊‘𝑥) ∈ ℤ)
122	121	peano2zd 12671	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ ℝ → ((⌊‘𝑥) + 1) ∈ ℤ)
123	122	zred 12668	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℝ → ((⌊‘𝑥) + 1) ∈ ℝ)
124	123	ad2antlr 725	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → ((⌊‘𝑥) + 1) ∈ ℝ)
125		letr 11310	. . . . . . . . . . . 12 ⊢ (((1^st ‘(𝐽‘𝑤)) ∈ ℝ ∧ 𝑥 ∈ ℝ ∧ ((⌊‘𝑥) + 1) ∈ ℝ) → (((1^st ‘(𝐽‘𝑤)) ≤ 𝑥 ∧ 𝑥 ≤ ((⌊‘𝑥) + 1)) → (1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1)))
126	119, 120, 124, 125	syl3anc 1371	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → (((1^st ‘(𝐽‘𝑤)) ≤ 𝑥 ∧ 𝑥 ≤ ((⌊‘𝑥) + 1)) → (1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1)))
127	118, 126	mpan2d 692	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → ((1^st ‘(𝐽‘𝑤)) ≤ 𝑥 → (1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1)))
128	127	ralimdva 3167	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥 → ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1)))
129	128	adantlr 713	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥 → ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1)))
130		ovoliun.t	. . . . . . . . . 10 ⊢ 𝑇 = seq1( + , 𝐺)
131		ovoliun.g	. . . . . . . . . 10 ⊢ 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
132		simpll 765	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝜑)
133	132, 1	sylan 580	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
134		ovoliun.v	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
135	132, 134	sylan 580	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
136	132, 32	syl 17	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → sup(ran 𝑇, ℝ^*, < ) ∈ ℝ)
137	132, 33	syl 17	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐵 ∈ ℝ⁺)
138		ovoliun.s	. . . . . . . . . 10 ⊢ 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹‘𝑛)))
139	132, 9	syl 17	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
140	132, 7	syl 17	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑_m ℕ))
141	132, 38	sylan 580	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ∪ ran ((,) ∘ (𝐹‘𝑛)))
142		ovoliun.x2	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ^, < ) ≤ ((vol‘𝐴) + (𝐵 / (2↑𝑛))))
143	132, 142	sylan 580	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ^, < ) ≤ ((vol‘𝐴) + (𝐵 / (2↑𝑛))))
144		simplr 767	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝑗 ∈ ℕ)
145	122	ad2antrl 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → ((⌊‘𝑥) + 1) ∈ ℤ)
146		simprr 771	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))
147	130, 131, 133, 135, 136, 137, 138, 24, 21, 139, 140, 141, 143, 144, 145, 146	ovoliunlem1 25026	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1))) → (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵))
148	147	expr 457	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ ((⌊‘𝑥) + 1) → (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵)))
149	129, 148	syld 47	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥 → (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵)))
150	149	rexlimdva 3155	. . . . . 6 ⊢ ((𝜑 ∧ 𝑗 ∈ ℕ) → (∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1^st ‘(𝐽‘𝑤)) ≤ 𝑥 → (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵)))
151	116, 150	mpd 15	. . . . 5 ⊢ ((𝜑 ∧ 𝑗 ∈ ℕ) → (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵))
152	151	ralrimiva 3146	. . . 4 ⊢ (𝜑 → ∀𝑗 ∈ ℕ (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵))
153		ffn 6717	. . . . 5 ⊢ (𝑈:ℕ⟶(0[,)+∞) → 𝑈 Fn ℕ)
154		breq1 5151	. . . . . 6 ⊢ (𝑧 = (𝑈‘𝑗) → (𝑧 ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ↔ (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵)))
155	154	ralrn 7089	. . . . 5 ⊢ (𝑈 Fn ℕ → (∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ↔ ∀𝑗 ∈ ℕ (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵)))
156	22, 25, 153, 155	4syl 19	. . . 4 ⊢ (𝜑 → (∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ↔ ∀𝑗 ∈ ℕ (𝑈‘𝑗) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵)))
157	152, 156	mpbird 256	. . 3 ⊢ (𝜑 → ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵))
158		supxrleub 13307	. . . 4 ⊢ ((ran 𝑈 ⊆ ℝ^* ∧ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ∈ ℝ^) → (sup(ran 𝑈, ℝ^, < ) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ↔ ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵)))
159	29, 36, 158	syl2anc 584	. . 3 ⊢ (𝜑 → (sup(ran 𝑈, ℝ^, < ) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵) ↔ ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ^*, < ) + 𝐵)))
160	157, 159	mpbird 256	. 2 ⊢ (𝜑 → sup(ran 𝑈, ℝ^, < ) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵))
161	6, 31, 36, 105, 160	xrletrd 13143	1 ⊢ (𝜑 → (vol‘∪ 𝑛 ∈ ℕ 𝐴) ≤ (sup(ran 𝑇, ℝ^, < ) + 𝐵))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ∀wral 3061 ∃wrex 3070 ∩ cin 3947 ⊆ wss 3948 ⟨cop 4634 ∪ cuni 4908 ∪ ciun 4997 class class class wbr 5148 ↦ cmpt 5231 × cxp 5674 ^◡ccnv 5675 ran crn 5677 ∘ ccom 5680 Fn wfn 6538 ⟶wf 6539 –1-1-onto→wf1o 6542 ‘cfv 6543 (class class class)co 7411 1^st c1st 7975 2^nd c2nd 7976 ↑_m cmap 8822 Fincfn 8941 supcsup 9437 ℝcr 11111 0cc0 11112 1c1 11113 + caddc 11115 +∞cpnf 11247 ℝ^*cxr 11249 < clt 11250 ≤ cle 11251 − cmin 11446 / cdiv 11873 ℕcn 12214 2c2 12269 ℤcz 12560 ℝ⁺crp 12976 (,)cioo 13326 [,)cico 13328 ...cfz 13486 ⌊cfl 13757 seqcseq 13968 ↑cexp 14029 abscabs 15183 vol*covol 24986

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7727 ax-inf2 9638 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-se 5632 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-1st 7977 df-2nd 7978 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-er 8705 df-map 8824 df-pm 8825 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-sup 9439 df-inf 9440 df-oi 9507 df-card 9936 df-pnf 11252 df-mnf 11253 df-xr 11254 df-ltxr 11255 df-le 11256 df-sub 11448 df-neg 11449 df-div 11874 df-nn 12215 df-2 12277 df-3 12278 df-n0 12475 df-z 12561 df-uz 12825 df-rp 12977 df-ioo 13330 df-ico 13332 df-fz 13487 df-fzo 13630 df-fl 13759 df-seq 13969 df-exp 14030 df-hash 14293 df-cj 15048 df-re 15049 df-im 15050 df-sqrt 15184 df-abs 15185 df-clim 15434 df-rlim 15435 df-sum 15635 df-ovol 24988

This theorem is referenced by: ovoliunlem3 25028

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