hsphoidmvle2 - Mathbox for Glauco Siliprandi

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Theorem hsphoidmvle2 47034

Description: The dimensional volume of a half-open interval intersected with a two half-spaces. Used in the last inequality of step (c) of Lemma 115B of [Fremlin1] p. 29. (Contributed by Glauco Siliprandi, 21-Nov-2020.)

**Hypotheses**
Ref	Expression
hsphoidmvle2.l	⊢ 𝐿 = (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑_m 𝑥), 𝑏 ∈ (ℝ ↑_m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘))))))
hsphoidmvle2.x	⊢ (𝜑 → 𝑋 ∈ Fin)
hsphoidmvle2.z	⊢ (𝜑 → 𝑍 ∈ (𝑋 ∖ 𝑌))
hsphoidmvle2.y	⊢ 𝑋 = (𝑌 ∪ {𝑍})
hsphoidmvle2.c	⊢ (𝜑 → 𝐶 ∈ ℝ)
hsphoidmvle2.d	⊢ (𝜑 → 𝐷 ∈ ℝ)
hsphoidmvle2.e	⊢ (𝜑 → 𝐶 ≤ 𝐷)
hsphoidmvle2.h	⊢ 𝐻 = (𝑥 ∈ ℝ ↦ (𝑐 ∈ (ℝ ↑_m 𝑋) ↦ (𝑗 ∈ 𝑋 ↦ if(𝑗 ∈ 𝑌, (𝑐‘𝑗), if((𝑐‘𝑗) ≤ 𝑥, (𝑐‘𝑗), 𝑥)))))
hsphoidmvle2.a	⊢ (𝜑 → 𝐴:𝑋⟶ℝ)
hsphoidmvle2.b	⊢ (𝜑 → 𝐵:𝑋⟶ℝ)

**Assertion**
Ref	Expression
hsphoidmvle2	⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) ≤ (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)))

Distinct variable groups: 𝐴,𝑎,𝑏,𝑘 𝐵,𝑎,𝑏,𝑘 𝐵,𝑐,𝑗,𝑘 𝐶,𝑎,𝑏,𝑘,𝑥 𝐶,𝑐,𝑗,𝑥 𝐷,𝑎,𝑏,𝑘,𝑥 𝐷,𝑐,𝑗 𝐻,𝑎,𝑏,𝑘 𝑋,𝑎,𝑏,𝑘,𝑥 𝑋,𝑐,𝑗 𝑌,𝑐,𝑗,𝑥 𝑍,𝑐,𝑗,𝑘,𝑥 𝜑,𝑎,𝑏,𝑘,𝑥 𝜑,𝑐,𝑗 Allowed substitution hints: 𝐴(𝑥,𝑗,𝑐) 𝐵(𝑥) 𝐻(𝑥,𝑗,𝑐) 𝐿(𝑥,𝑗,𝑘,𝑎,𝑏,𝑐) 𝑌(𝑘,𝑎,𝑏) 𝑍(𝑎,𝑏)

**Proof of Theorem hsphoidmvle2**
Step	Hyp	Ref	Expression
1		hsphoidmvle2.a	. . . . 5 ⊢ (𝜑 → 𝐴:𝑋⟶ℝ)
2		hsphoidmvle2.z	. . . . . 6 ⊢ (𝜑 → 𝑍 ∈ (𝑋 ∖ 𝑌))
3	2	eldifad 3902	. . . . 5 ⊢ (𝜑 → 𝑍 ∈ 𝑋)
4	1, 3	ffvelcdmd 7032	. . . 4 ⊢ (𝜑 → (𝐴‘𝑍) ∈ ℝ)
5		hsphoidmvle2.b	. . . . . 6 ⊢ (𝜑 → 𝐵:𝑋⟶ℝ)
6	5, 3	ffvelcdmd 7032	. . . . 5 ⊢ (𝜑 → (𝐵‘𝑍) ∈ ℝ)
7		hsphoidmvle2.c	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ)
8	6, 7	ifcld 4514	. . . 4 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ)
9		volicore 47030	. . . 4 ⊢ (((𝐴‘𝑍) ∈ ℝ ∧ if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ) → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) ∈ ℝ)
10	4, 8, 9	syl2anc 585	. . 3 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) ∈ ℝ)
11		hsphoidmvle2.d	. . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ)
12	6, 11	ifcld 4514	. . . 4 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ)
13		volicore 47030	. . . 4 ⊢ (((𝐴‘𝑍) ∈ ℝ ∧ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ) → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) ∈ ℝ)
14	4, 12, 13	syl2anc 585	. . 3 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) ∈ ℝ)
15		hsphoidmvle2.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ Fin)
16		difssd 4078	. . . . 5 ⊢ (𝜑 → (𝑋 ∖ {𝑍}) ⊆ 𝑋)
17		ssfi 9101	. . . . 5 ⊢ ((𝑋 ∈ Fin ∧ (𝑋 ∖ {𝑍}) ⊆ 𝑋) → (𝑋 ∖ {𝑍}) ∈ Fin)
18	15, 16, 17	syl2anc 585	. . . 4 ⊢ (𝜑 → (𝑋 ∖ {𝑍}) ∈ Fin)
19		eldifi 4072	. . . . . 6 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ 𝑋)
20	19	adantl 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝑘 ∈ 𝑋)
21	1	ffvelcdmda 7031	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐴‘𝑘) ∈ ℝ)
22	5	ffvelcdmda 7031	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐵‘𝑘) ∈ ℝ)
23		volicore 47030	. . . . . 6 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (𝐵‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
24	21, 22, 23	syl2anc 585	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
25	20, 24	syldan 592	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
26	18, 25	fprodrecl 15912	. . 3 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
27		nfv 1916	. . . 4 ⊢ Ⅎ𝑘𝜑
28	20, 21	syldan 592	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐴‘𝑘) ∈ ℝ)
29	20, 22	syldan 592	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐵‘𝑘) ∈ ℝ)
30	29	rexrd 11189	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐵‘𝑘) ∈ ℝ^*)
31		icombl 25544	. . . . . 6 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (𝐵‘𝑘) ∈ ℝ^*) → ((𝐴‘𝑘)[,)(𝐵‘𝑘)) ∈ dom vol)
32	28, 30, 31	syl2anc 585	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(𝐵‘𝑘)) ∈ dom vol)
33		volge0 46410	. . . . 5 ⊢ (((𝐴‘𝑘)[,)(𝐵‘𝑘)) ∈ dom vol → 0 ≤ (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
34	32, 33	syl 17	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 0 ≤ (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
35	27, 18, 25, 34	fprodge0 15952	. . 3 ⊢ (𝜑 → 0 ≤ ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
36	8	rexrd 11189	. . . . 5 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ^*)
37		icombl 25544	. . . . 5 ⊢ (((𝐴‘𝑍) ∈ ℝ ∧ if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ^*) → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ∈ dom vol)
38	4, 36, 37	syl2anc 585	. . . 4 ⊢ (𝜑 → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ∈ dom vol)
39	12	rexrd 11189	. . . . 5 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ^*)
40		icombl 25544	. . . . 5 ⊢ (((𝐴‘𝑍) ∈ ℝ ∧ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ^*) → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)) ∈ dom vol)
41	4, 39, 40	syl2anc 585	. . . 4 ⊢ (𝜑 → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)) ∈ dom vol)
42	4	rexrd 11189	. . . . 5 ⊢ (𝜑 → (𝐴‘𝑍) ∈ ℝ^*)
43	4	leidd 11710	. . . . 5 ⊢ (𝜑 → (𝐴‘𝑍) ≤ (𝐴‘𝑍))
44	6	leidd 11710	. . . . . . . 8 ⊢ (𝜑 → (𝐵‘𝑍) ≤ (𝐵‘𝑍))
45	44	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ≤ (𝐵‘𝑍))
46		iftrue 4473	. . . . . . . . 9 ⊢ ((𝐵‘𝑍) ≤ 𝐶 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) = (𝐵‘𝑍))
47	46	adantl 481	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) = (𝐵‘𝑍))
48	6	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ∈ ℝ)
49	7	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 ∈ ℝ)
50	11	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → 𝐷 ∈ ℝ)
51		simpr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ≤ 𝐶)
52		hsphoidmvle2.e	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐶 ≤ 𝐷)
53	52	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 ≤ 𝐷)
54	48, 49, 50, 51, 53	letrd 11297	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ≤ 𝐷)
55	54	iftrued 4475	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) = (𝐵‘𝑍))
56	47, 55	breq12d 5099	. . . . . . 7 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ↔ (𝐵‘𝑍) ≤ (𝐵‘𝑍)))
57	45, 56	mpbird 257	. . . . . 6 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
58		simpl 482	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → 𝜑)
59		simpr 484	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → ¬ (𝐵‘𝑍) ≤ 𝐶)
60	58, 7	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 ∈ ℝ)
61	58, 6	syl 17	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ∈ ℝ)
62	60, 61	ltnled 11287	. . . . . . . . 9 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → (𝐶 < (𝐵‘𝑍) ↔ ¬ (𝐵‘𝑍) ≤ 𝐶))
63	59, 62	mpbird 257	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 < (𝐵‘𝑍))
64	7	adantr 480	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) → 𝐶 ∈ ℝ)
65	6	adantr 480	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) → (𝐵‘𝑍) ∈ ℝ)
66		simpr 484	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) → 𝐶 < (𝐵‘𝑍))
67	64, 65, 66	ltled 11288	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) → 𝐶 ≤ (𝐵‘𝑍))
68	67	adantr 480	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ (𝐵‘𝑍))
69		iftrue 4473	. . . . . . . . . . . 12 ⊢ ((𝐵‘𝑍) ≤ 𝐷 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) = (𝐵‘𝑍))
70	69	eqcomd 2743	. . . . . . . . . . 11 ⊢ ((𝐵‘𝑍) ≤ 𝐷 → (𝐵‘𝑍) = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
71	70	adantl 481	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ (𝐵‘𝑍) ≤ 𝐷) → (𝐵‘𝑍) = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
72	68, 71	breqtrd 5112	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
73	52	ad2antrr 727	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ ¬ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ 𝐷)
74		iffalse 4476	. . . . . . . . . . . 12 ⊢ (¬ (𝐵‘𝑍) ≤ 𝐷 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) = 𝐷)
75	74	eqcomd 2743	. . . . . . . . . . 11 ⊢ (¬ (𝐵‘𝑍) ≤ 𝐷 → 𝐷 = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
76	75	adantl 481	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ ¬ (𝐵‘𝑍) ≤ 𝐷) → 𝐷 = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
77	73, 76	breqtrd 5112	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ ¬ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
78	72, 77	pm2.61dan 813	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
79	58, 63, 78	syl2anc 585	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
80		iffalse 4476	. . . . . . . . 9 ⊢ (¬ (𝐵‘𝑍) ≤ 𝐶 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) = 𝐶)
81	80	adantl 481	. . . . . . . 8 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) = 𝐶)
82	81	breq1d 5096	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → (if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ↔ 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
83	79, 82	mpbird 257	. . . . . 6 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
84	57, 83	pm2.61dan 813	. . . . 5 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
85		icossico 13363	. . . . 5 ⊢ ((((𝐴‘𝑍) ∈ ℝ^* ∧ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ^*) ∧ ((𝐴‘𝑍) ≤ (𝐴‘𝑍) ∧ if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ⊆ ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
86	42, 39, 43, 84, 85	syl22anc 839	. . . 4 ⊢ (𝜑 → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ⊆ ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
87		volss 25513	. . . 4 ⊢ ((((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ∈ dom vol ∧ ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)) ∈ dom vol ∧ ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ⊆ ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) ≤ (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))))
88	38, 41, 86, 87	syl3anc 1374	. . 3 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) ≤ (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))))
89	10, 14, 26, 35, 88	lemul1ad 12089	. 2 ⊢ (𝜑 → ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))) ≤ ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))))
90		hsphoidmvle2.l	. . . . 5 ⊢ 𝐿 = (𝑥 ∈ Fin ↦ (𝑎 ∈ (ℝ ↑_m 𝑥), 𝑏 ∈ (ℝ ↑_m 𝑥) ↦ if(𝑥 = ∅, 0, ∏𝑘 ∈ 𝑥 (vol‘((𝑎‘𝑘)[,)(𝑏‘𝑘))))))
91	3	ne0d 4283	. . . . 5 ⊢ (𝜑 → 𝑋 ≠ ∅)
92		hsphoidmvle2.h	. . . . . 6 ⊢ 𝐻 = (𝑥 ∈ ℝ ↦ (𝑐 ∈ (ℝ ↑_m 𝑋) ↦ (𝑗 ∈ 𝑋 ↦ if(𝑗 ∈ 𝑌, (𝑐‘𝑗), if((𝑐‘𝑗) ≤ 𝑥, (𝑐‘𝑗), 𝑥)))))
93	92, 7, 15, 5	hsphoif 47025	. . . . 5 ⊢ (𝜑 → ((𝐻‘𝐶)‘𝐵):𝑋⟶ℝ)
94	90, 15, 91, 1, 93	hoidmvn0val 47033	. . . 4 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))))
95	93	ffvelcdmda 7031	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (((𝐻‘𝐶)‘𝐵)‘𝑘) ∈ ℝ)
96		volicore 47030	. . . . . . 7 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (((𝐻‘𝐶)‘𝐵)‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℝ)
97	21, 95, 96	syl2anc 585	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℝ)
98	97	recnd 11167	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℂ)
99		fveq2 6835	. . . . . . . . 9 ⊢ (𝑘 = 𝑍 → (𝐴‘𝑘) = (𝐴‘𝑍))
100		fveq2 6835	. . . . . . . . 9 ⊢ (𝑘 = 𝑍 → (((𝐻‘𝐶)‘𝐵)‘𝑘) = (((𝐻‘𝐶)‘𝐵)‘𝑍))
101	99, 100	oveq12d 7379	. . . . . . . 8 ⊢ (𝑘 = 𝑍 → ((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)) = ((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍)))
102	101	fveq2d 6839	. . . . . . 7 ⊢ (𝑘 = 𝑍 → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍))))
103	102	adantl 481	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 = 𝑍) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍))))
104	92, 7, 15, 5, 3	hsphoival 47028	. . . . . . . . . 10 ⊢ (𝜑 → (((𝐻‘𝐶)‘𝐵)‘𝑍) = if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)))
105	2	eldifbd 3903	. . . . . . . . . . 11 ⊢ (𝜑 → ¬ 𝑍 ∈ 𝑌)
106	105	iffalsed 4478	. . . . . . . . . 10 ⊢ (𝜑 → if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) = if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))
107	104, 106	eqtrd 2772	. . . . . . . . 9 ⊢ (𝜑 → (((𝐻‘𝐶)‘𝐵)‘𝑍) = if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))
108	107	oveq2d 7377	. . . . . . . 8 ⊢ (𝜑 → ((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍)) = ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)))
109	108	fveq2d 6839	. . . . . . 7 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍))) = (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))))
110	109	adantr 480	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 = 𝑍) → (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍))) = (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))))
111	103, 110	eqtrd 2772	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 = 𝑍) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))))
112	15, 98, 3, 111	fprodsplit1 46044	. . . 4 ⊢ (𝜑 → ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)))))
113	7	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝐶 ∈ ℝ)
114	15	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝑋 ∈ Fin)
115	5	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝐵:𝑋⟶ℝ)
116	92, 113, 114, 115, 20	hsphoival 47028	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐶)‘𝐵)‘𝑘) = if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐶, (𝐵‘𝑘), 𝐶)))
117		hsphoidmvle2.y	. . . . . . . . . . . . 13 ⊢ 𝑋 = (𝑌 ∪ {𝑍})
118	19, 117	eleqtrdi 2847	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ (𝑌 ∪ {𝑍}))
119		eldifn 4073	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → ¬ 𝑘 ∈ {𝑍})
120		elunnel2 4096	. . . . . . . . . . . 12 ⊢ ((𝑘 ∈ (𝑌 ∪ {𝑍}) ∧ ¬ 𝑘 ∈ {𝑍}) → 𝑘 ∈ 𝑌)
121	118, 119, 120	syl2anc 585	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ 𝑌)
122	121	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝑘 ∈ 𝑌)
123	122	iftrued 4475	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐶, (𝐵‘𝑘), 𝐶)) = (𝐵‘𝑘))
124	116, 123	eqtrd 2772	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐶)‘𝐵)‘𝑘) = (𝐵‘𝑘))
125	124	oveq2d 7377	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)) = ((𝐴‘𝑘)[,)(𝐵‘𝑘)))
126	125	fveq2d 6839	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
127	126	prodeq2dv 15881	. . . . 5 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
128	127	oveq2d 7377	. . . 4 ⊢ (𝜑 → ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)))) = ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))))
129	94, 112, 128	3eqtrd 2776	. . 3 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) = ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))))
130	92, 11, 15, 5	hsphoif 47025	. . . . 5 ⊢ (𝜑 → ((𝐻‘𝐷)‘𝐵):𝑋⟶ℝ)
131	90, 15, 91, 1, 130	hoidmvn0val 47033	. . . 4 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))))
132	130	ffvelcdmda 7031	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (((𝐻‘𝐷)‘𝐵)‘𝑘) ∈ ℝ)
133		volicore 47030	. . . . . . 7 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (((𝐻‘𝐷)‘𝐵)‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℝ)
134	21, 132, 133	syl2anc 585	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℝ)
135	134	recnd 11167	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℂ)
136		fveq2 6835	. . . . . . . 8 ⊢ (𝑘 = 𝑍 → (((𝐻‘𝐷)‘𝐵)‘𝑘) = (((𝐻‘𝐷)‘𝐵)‘𝑍))
137	99, 136	oveq12d 7379	. . . . . . 7 ⊢ (𝑘 = 𝑍 → ((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)) = ((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍)))
138	137	fveq2d 6839	. . . . . 6 ⊢ (𝑘 = 𝑍 → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍))))
139	138	adantl 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 = 𝑍) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍))))
140	15, 135, 3, 139	fprodsplit1 46044	. . . 4 ⊢ (𝜑 → ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = ((vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)))))
141	92, 11, 15, 5, 3	hsphoival 47028	. . . . . . . 8 ⊢ (𝜑 → (((𝐻‘𝐷)‘𝐵)‘𝑍) = if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
142	105	iffalsed 4478	. . . . . . . 8 ⊢ (𝜑 → if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)) = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
143	141, 142	eqtrd 2772	. . . . . . 7 ⊢ (𝜑 → (((𝐻‘𝐷)‘𝐵)‘𝑍) = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
144	143	oveq2d 7377	. . . . . 6 ⊢ (𝜑 → ((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍)) = ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
145	144	fveq2d 6839	. . . . 5 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍))) = (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))))
146	11	adantr 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝐷 ∈ ℝ)
147	92, 146, 114, 115, 20	hsphoival 47028	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐷)‘𝐵)‘𝑘) = if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐷, (𝐵‘𝑘), 𝐷)))
148	122	iftrued 4475	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐷, (𝐵‘𝑘), 𝐷)) = (𝐵‘𝑘))
149	147, 148	eqtrd 2772	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐷)‘𝐵)‘𝑘) = (𝐵‘𝑘))
150	149	oveq2d 7377	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)) = ((𝐴‘𝑘)[,)(𝐵‘𝑘)))
151	150	fveq2d 6839	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
152	151	prodeq2dv 15881	. . . . 5 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
153	145, 152	oveq12d 7379	. . . 4 ⊢ (𝜑 → ((vol‘((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)))) = ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))))
154	131, 140, 153	3eqtrd 2776	. . 3 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)) = ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))))
155	129, 154	breq12d 5099	. 2 ⊢ (𝜑 → ((𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) ≤ (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)) ↔ ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘)))) ≤ ((vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) · ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))))
156	89, 155	mpbird 257	1 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) ≤ (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∖ cdif 3887 ∪ cun 3888 ⊆ wss 3890 ∅c0 4274 ifcif 4467 {csn 4568 class class class wbr 5086 ↦ cmpt 5167 dom cdm 5625 ⟶wf 6489 ‘cfv 6493 (class class class)co 7361 ∈ cmpo 7363 ↑_m cmap 8767 Fincfn 8887 ℝcr 11031 0cc0 11032 · cmul 11037 ℝ^*cxr 11172 < clt 11173 ≤ cle 11174 [,)cico 13294 ∏cprod 15862 volcvol 25443

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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 ax-un 7683 ax-inf2 9556 ax-cnex 11088 ax-resscn 11089 ax-1cn 11090 ax-icn 11091 ax-addcl 11092 ax-addrcl 11093 ax-mulcl 11094 ax-mulrcl 11095 ax-mulcom 11096 ax-addass 11097 ax-mulass 11098 ax-distr 11099 ax-i2m1 11100 ax-1ne0 11101 ax-1rid 11102 ax-rnegex 11103 ax-rrecex 11104 ax-cnre 11105 ax-pre-lttri 11106 ax-pre-lttrn 11107 ax-pre-ltadd 11108 ax-pre-mulgt0 11109 ax-pre-sup 11110

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-of 7625 df-om 7812 df-1st 7936 df-2nd 7937 df-frecs 8225 df-wrecs 8256 df-recs 8305 df-rdg 8343 df-1o 8399 df-2o 8400 df-er 8637 df-map 8769 df-pm 8770 df-en 8888 df-dom 8889 df-sdom 8890 df-fin 8891 df-fi 9318 df-sup 9349 df-inf 9350 df-oi 9419 df-dju 9819 df-card 9857 df-pnf 11175 df-mnf 11176 df-xr 11177 df-ltxr 11178 df-le 11179 df-sub 11373 df-neg 11374 df-div 11802 df-nn 12169 df-2 12238 df-3 12239 df-n0 12432 df-z 12519 df-uz 12783 df-q 12893 df-rp 12937 df-xneg 13057 df-xadd 13058 df-xmul 13059 df-ioo 13296 df-ico 13298 df-icc 13299 df-fz 13456 df-fzo 13603 df-fl 13745 df-seq 13958 df-exp 14018 df-hash 14287 df-cj 15055 df-re 15056 df-im 15057 df-sqrt 15191 df-abs 15192 df-clim 15444 df-rlim 15445 df-sum 15643 df-prod 15863 df-rest 17379 df-topgen 17400 df-psmet 21339 df-xmet 21340 df-met 21341 df-bl 21342 df-mopn 21343 df-top 22872 df-topon 22889 df-bases 22924 df-cmp 23365 df-ovol 25444 df-vol 25445

This theorem is referenced by: hoidmvlelem1 47044 hoidmvlelem2 47045

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