hsphoidmvle2 - Mathbox for Glauco Siliprandi

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Theorem hsphoidmvle2 46600

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 3963	. . . . 5 ⊢ (𝜑 → 𝑍 ∈ 𝑋)
4	1, 3	ffvelcdmd 7105	. . . 4 ⊢ (𝜑 → (𝐴‘𝑍) ∈ ℝ)
5		hsphoidmvle2.b	. . . . . 6 ⊢ (𝜑 → 𝐵:𝑋⟶ℝ)
6	5, 3	ffvelcdmd 7105	. . . . 5 ⊢ (𝜑 → (𝐵‘𝑍) ∈ ℝ)
7		hsphoidmvle2.c	. . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ)
8	6, 7	ifcld 4572	. . . 4 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ)
9		volicore 46596	. . . 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 584	. . 3 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))) ∈ ℝ)
11		hsphoidmvle2.d	. . . . 5 ⊢ (𝜑 → 𝐷 ∈ ℝ)
12	6, 11	ifcld 4572	. . . 4 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ)
13		volicore 46596	. . . 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 584	. . 3 ⊢ (𝜑 → (vol‘((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))) ∈ ℝ)
15		hsphoidmvle2.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ Fin)
16		difssd 4137	. . . . 5 ⊢ (𝜑 → (𝑋 ∖ {𝑍}) ⊆ 𝑋)
17		ssfi 9213	. . . . 5 ⊢ ((𝑋 ∈ Fin ∧ (𝑋 ∖ {𝑍}) ⊆ 𝑋) → (𝑋 ∖ {𝑍}) ∈ Fin)
18	15, 16, 17	syl2anc 584	. . . 4 ⊢ (𝜑 → (𝑋 ∖ {𝑍}) ∈ Fin)
19		eldifi 4131	. . . . . 6 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ 𝑋)
20	19	adantl 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝑘 ∈ 𝑋)
21	1	ffvelcdmda 7104	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐴‘𝑘) ∈ ℝ)
22	5	ffvelcdmda 7104	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (𝐵‘𝑘) ∈ ℝ)
23		volicore 46596	. . . . . 6 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (𝐵‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
24	21, 22, 23	syl2anc 584	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
25	20, 24	syldan 591	. . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
26	18, 25	fprodrecl 15989	. . 3 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))) ∈ ℝ)
27		nfv 1914	. . . 4 ⊢ Ⅎ𝑘𝜑
28	20, 21	syldan 591	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐴‘𝑘) ∈ ℝ)
29	20, 22	syldan 591	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐵‘𝑘) ∈ ℝ)
30	29	rexrd 11311	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (𝐵‘𝑘) ∈ ℝ^*)
31		icombl 25599	. . . . . 6 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (𝐵‘𝑘) ∈ ℝ^*) → ((𝐴‘𝑘)[,)(𝐵‘𝑘)) ∈ dom vol)
32	28, 30, 31	syl2anc 584	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(𝐵‘𝑘)) ∈ dom vol)
33		volge0 45976	. . . . 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 16029	. . 3 ⊢ (𝜑 → 0 ≤ ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
36	8	rexrd 11311	. . . . 5 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶) ∈ ℝ^*)
37		icombl 25599	. . . . 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 584	. . . 4 ⊢ (𝜑 → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)) ∈ dom vol)
39	12	rexrd 11311	. . . . 5 ⊢ (𝜑 → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) ∈ ℝ^*)
40		icombl 25599	. . . . 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 584	. . . 4 ⊢ (𝜑 → ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)) ∈ dom vol)
42	4	rexrd 11311	. . . . 5 ⊢ (𝜑 → (𝐴‘𝑍) ∈ ℝ^*)
43	4	leidd 11829	. . . . 5 ⊢ (𝜑 → (𝐴‘𝑍) ≤ (𝐴‘𝑍))
44	6	leidd 11829	. . . . . . . 8 ⊢ (𝜑 → (𝐵‘𝑍) ≤ (𝐵‘𝑍))
45	44	adantr 480	. . . . . . 7 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ≤ (𝐵‘𝑍))
46		iftrue 4531	. . . . . . . . 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 11418	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → (𝐵‘𝑍) ≤ 𝐷)
55	54	iftrued 4533	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝐵‘𝑍) ≤ 𝐶) → if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷) = (𝐵‘𝑍))
56	47, 55	breq12d 5156	. . . . . . 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 11408	. . . . . . . . 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 11409	. . . . . . . . . . 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 4531	. . . . . . . . . . . 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 5169	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
73	52	ad2antrr 726	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝐶 < (𝐵‘𝑍)) ∧ ¬ (𝐵‘𝑍) ≤ 𝐷) → 𝐶 ≤ 𝐷)
74		iffalse 4534	. . . . . . . . . . . 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 5169	. . . . . . . . 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 584	. . . . . . 7 ⊢ ((𝜑 ∧ ¬ (𝐵‘𝑍) ≤ 𝐶) → 𝐶 ≤ if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
80		iffalse 4534	. . . . . . . . 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 5153	. . . . . . 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 13457	. . . . 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 25568	. . . 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 1373	. . 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 12207	. 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 4342	. . . . 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 46591	. . . . 5 ⊢ (𝜑 → ((𝐻‘𝐶)‘𝐵):𝑋⟶ℝ)
94	90, 15, 91, 1, 93	hoidmvn0val 46599	. . . 4 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐶)‘𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))))
95	93	ffvelcdmda 7104	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (((𝐻‘𝐶)‘𝐵)‘𝑘) ∈ ℝ)
96		volicore 46596	. . . . . . 7 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (((𝐻‘𝐶)‘𝐵)‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℝ)
97	21, 95, 96	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℝ)
98	97	recnd 11289	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) ∈ ℂ)
99		fveq2 6906	. . . . . . . . 9 ⊢ (𝑘 = 𝑍 → (𝐴‘𝑘) = (𝐴‘𝑍))
100		fveq2 6906	. . . . . . . . 9 ⊢ (𝑘 = 𝑍 → (((𝐻‘𝐶)‘𝐵)‘𝑘) = (((𝐻‘𝐶)‘𝐵)‘𝑍))
101	99, 100	oveq12d 7449	. . . . . . . 8 ⊢ (𝑘 = 𝑍 → ((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)) = ((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍)))
102	101	fveq2d 6910	. . . . . . 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 46594	. . . . . . . . . 10 ⊢ (𝜑 → (((𝐻‘𝐶)‘𝐵)‘𝑍) = if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)))
105	2	eldifbd 3964	. . . . . . . . . . 11 ⊢ (𝜑 → ¬ 𝑍 ∈ 𝑌)
106	105	iffalsed 4536	. . . . . . . . . 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 2777	. . . . . . . . 9 ⊢ (𝜑 → (((𝐻‘𝐶)‘𝐵)‘𝑍) = if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶))
108	107	oveq2d 7447	. . . . . . . 8 ⊢ (𝜑 → ((𝐴‘𝑍)[,)(((𝐻‘𝐶)‘𝐵)‘𝑍)) = ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐶, (𝐵‘𝑍), 𝐶)))
109	108	fveq2d 6910	. . . . . . 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 2777	. . . . 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 45608	. . . 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 46594	. . . . . . . . 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 2851	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ (𝑌 ∪ {𝑍}))
119		eldifn 4132	. . . . . . . . . . . 12 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → ¬ 𝑘 ∈ {𝑍})
120		elunnel2 4155	. . . . . . . . . . . 12 ⊢ ((𝑘 ∈ (𝑌 ∪ {𝑍}) ∧ ¬ 𝑘 ∈ {𝑍}) → 𝑘 ∈ 𝑌)
121	118, 119, 120	syl2anc 584	. . . . . . . . . . 11 ⊢ (𝑘 ∈ (𝑋 ∖ {𝑍}) → 𝑘 ∈ 𝑌)
122	121	adantl 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → 𝑘 ∈ 𝑌)
123	122	iftrued 4533	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐶, (𝐵‘𝑘), 𝐶)) = (𝐵‘𝑘))
124	116, 123	eqtrd 2777	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐶)‘𝐵)‘𝑘) = (𝐵‘𝑘))
125	124	oveq2d 7447	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘)) = ((𝐴‘𝑘)[,)(𝐵‘𝑘)))
126	125	fveq2d 6910	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
127	126	prodeq2dv 15958	. . . . 5 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐶)‘𝐵)‘𝑘))) = ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
128	127	oveq2d 7447	. . . 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 2781	. . 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 46591	. . . . 5 ⊢ (𝜑 → ((𝐻‘𝐷)‘𝐵):𝑋⟶ℝ)
131	90, 15, 91, 1, 130	hoidmvn0val 46599	. . . 4 ⊢ (𝜑 → (𝐴(𝐿‘𝑋)((𝐻‘𝐷)‘𝐵)) = ∏𝑘 ∈ 𝑋 (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))))
132	130	ffvelcdmda 7104	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (((𝐻‘𝐷)‘𝐵)‘𝑘) ∈ ℝ)
133		volicore 46596	. . . . . . 7 ⊢ (((𝐴‘𝑘) ∈ ℝ ∧ (((𝐻‘𝐷)‘𝐵)‘𝑘) ∈ ℝ) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℝ)
134	21, 132, 133	syl2anc 584	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℝ)
135	134	recnd 11289	. . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝑋) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) ∈ ℂ)
136		fveq2 6906	. . . . . . . 8 ⊢ (𝑘 = 𝑍 → (((𝐻‘𝐷)‘𝐵)‘𝑘) = (((𝐻‘𝐷)‘𝐵)‘𝑍))
137	99, 136	oveq12d 7449	. . . . . . 7 ⊢ (𝑘 = 𝑍 → ((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)) = ((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍)))
138	137	fveq2d 6910	. . . . . 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 45608	. . . 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 46594	. . . . . . . 8 ⊢ (𝜑 → (((𝐻‘𝐷)‘𝐵)‘𝑍) = if(𝑍 ∈ 𝑌, (𝐵‘𝑍), if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
142	105	iffalsed 4536	. . . . . . . 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 2777	. . . . . . 7 ⊢ (𝜑 → (((𝐻‘𝐷)‘𝐵)‘𝑍) = if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷))
144	143	oveq2d 7447	. . . . . 6 ⊢ (𝜑 → ((𝐴‘𝑍)[,)(((𝐻‘𝐷)‘𝐵)‘𝑍)) = ((𝐴‘𝑍)[,)if((𝐵‘𝑍) ≤ 𝐷, (𝐵‘𝑍), 𝐷)))
145	144	fveq2d 6910	. . . . 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 46594	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐷)‘𝐵)‘𝑘) = if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐷, (𝐵‘𝑘), 𝐷)))
148	122	iftrued 4533	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → if(𝑘 ∈ 𝑌, (𝐵‘𝑘), if((𝐵‘𝑘) ≤ 𝐷, (𝐵‘𝑘), 𝐷)) = (𝐵‘𝑘))
149	147, 148	eqtrd 2777	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (((𝐻‘𝐷)‘𝐵)‘𝑘) = (𝐵‘𝑘))
150	149	oveq2d 7447	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → ((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘)) = ((𝐴‘𝑘)[,)(𝐵‘𝑘)))
151	150	fveq2d 6910	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑋 ∖ {𝑍})) → (vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = (vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
152	151	prodeq2dv 15958	. . . . 5 ⊢ (𝜑 → ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(((𝐻‘𝐷)‘𝐵)‘𝑘))) = ∏𝑘 ∈ (𝑋 ∖ {𝑍})(vol‘((𝐴‘𝑘)[,)(𝐵‘𝑘))))
153	145, 152	oveq12d 7449	. . . 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 2781	. . 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 5156	. 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 1540 ∈ wcel 2108 ∖ cdif 3948 ∪ cun 3949 ⊆ wss 3951 ∅c0 4333 ifcif 4525 {csn 4626 class class class wbr 5143 ↦ cmpt 5225 dom cdm 5685 ⟶wf 6557 ‘cfv 6561 (class class class)co 7431 ∈ cmpo 7433 ↑_m cmap 8866 Fincfn 8985 ℝcr 11154 0cc0 11155 · cmul 11160 ℝ^*cxr 11294 < clt 11295 ≤ cle 11296 [,)cico 13389 ∏cprod 15939 volcvol 25498

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-inf2 9681 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232 ax-pre-sup 11233

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-se 5638 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-of 7697 df-om 7888 df-1st 8014 df-2nd 8015 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-2o 8507 df-er 8745 df-map 8868 df-pm 8869 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-fi 9451 df-sup 9482 df-inf 9483 df-oi 9550 df-dju 9941 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-div 11921 df-nn 12267 df-2 12329 df-3 12330 df-n0 12527 df-z 12614 df-uz 12879 df-q 12991 df-rp 13035 df-xneg 13154 df-xadd 13155 df-xmul 13156 df-ioo 13391 df-ico 13393 df-icc 13394 df-fz 13548 df-fzo 13695 df-fl 13832 df-seq 14043 df-exp 14103 df-hash 14370 df-cj 15138 df-re 15139 df-im 15140 df-sqrt 15274 df-abs 15275 df-clim 15524 df-rlim 15525 df-sum 15723 df-prod 15940 df-rest 17467 df-topgen 17488 df-psmet 21356 df-xmet 21357 df-met 21358 df-bl 21359 df-mopn 21360 df-top 22900 df-topon 22917 df-bases 22953 df-cmp 23395 df-ovol 25499 df-vol 25500

This theorem is referenced by: hoidmvlelem1 46610 hoidmvlelem2 46611

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