ipcnlem1 - Metamath Proof Explorer

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Theorem ipcnlem1 24762

Description: The inner product operation of a subcomplex pre-Hilbert space is continuous. (Contributed by Mario Carneiro, 13-Oct-2015.)

**Hypotheses**
Ref	Expression
ipcn.v	⊢ 𝑉 = (Base‘𝑊)
ipcn.h	⊢ , = (·_𝑖‘𝑊)
ipcn.d	⊢ 𝐷 = (dist‘𝑊)
ipcn.n	⊢ 𝑁 = (norm‘𝑊)
ipcn.t	⊢ 𝑇 = ((𝑅 / 2) / ((𝑁‘𝐴) + 1))
ipcn.u	⊢ 𝑈 = ((𝑅 / 2) / ((𝑁‘𝐵) + 𝑇))
ipcn.w	⊢ (𝜑 → 𝑊 ∈ ℂPreHil)
ipcn.a	⊢ (𝜑 → 𝐴 ∈ 𝑉)
ipcn.b	⊢ (𝜑 → 𝐵 ∈ 𝑉)
ipcn.r	⊢ (𝜑 → 𝑅 ∈ ℝ⁺)

**Assertion**
Ref	Expression
ipcnlem1	⊢ (𝜑 → ∃𝑟 ∈ ℝ⁺ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅))

Distinct variable groups: 𝐴,𝑟 𝐵,𝑟 𝐷,𝑟 𝑥,𝑦,𝜑 𝑥,𝑟,𝑦,𝑇 𝑈,𝑟,𝑥,𝑦 , ,𝑟 𝑅,𝑟 𝑉,𝑟,𝑦 Allowed substitution hints: 𝜑(𝑟) 𝐴(𝑥,𝑦) 𝐵(𝑥,𝑦) 𝐷(𝑥,𝑦) 𝑅(𝑥,𝑦) , (𝑥,𝑦) 𝑁(𝑥,𝑦,𝑟) 𝑉(𝑥) 𝑊(𝑥,𝑦,𝑟)

**Proof of Theorem ipcnlem1**
Step	Hyp	Ref	Expression
1		ipcn.t	. . . 4 ⊢ 𝑇 = ((𝑅 / 2) / ((𝑁‘𝐴) + 1))
2		ipcn.r	. . . . . 6 ⊢ (𝜑 → 𝑅 ∈ ℝ⁺)
3	2	rphalfcld 13028	. . . . 5 ⊢ (𝜑 → (𝑅 / 2) ∈ ℝ⁺)
4		ipcn.w	. . . . . . . . 9 ⊢ (𝜑 → 𝑊 ∈ ℂPreHil)
5		cphnlm 24689	. . . . . . . . 9 ⊢ (𝑊 ∈ ℂPreHil → 𝑊 ∈ NrmMod)
6	4, 5	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝑊 ∈ NrmMod)
7		nlmngp 24194	. . . . . . . 8 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ NrmGrp)
8	6, 7	syl 17	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ NrmGrp)
9		ipcn.a	. . . . . . 7 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
10		ipcn.v	. . . . . . . 8 ⊢ 𝑉 = (Base‘𝑊)
11		ipcn.n	. . . . . . . 8 ⊢ 𝑁 = (norm‘𝑊)
12	10, 11	nmcl 24125	. . . . . . 7 ⊢ ((𝑊 ∈ NrmGrp ∧ 𝐴 ∈ 𝑉) → (𝑁‘𝐴) ∈ ℝ)
13	8, 9, 12	syl2anc 585	. . . . . 6 ⊢ (𝜑 → (𝑁‘𝐴) ∈ ℝ)
14	10, 11	nmge0 24126	. . . . . . 7 ⊢ ((𝑊 ∈ NrmGrp ∧ 𝐴 ∈ 𝑉) → 0 ≤ (𝑁‘𝐴))
15	8, 9, 14	syl2anc 585	. . . . . 6 ⊢ (𝜑 → 0 ≤ (𝑁‘𝐴))
16	13, 15	ge0p1rpd 13046	. . . . 5 ⊢ (𝜑 → ((𝑁‘𝐴) + 1) ∈ ℝ⁺)
17	3, 16	rpdivcld 13033	. . . 4 ⊢ (𝜑 → ((𝑅 / 2) / ((𝑁‘𝐴) + 1)) ∈ ℝ⁺)
18	1, 17	eqeltrid 2838	. . 3 ⊢ (𝜑 → 𝑇 ∈ ℝ⁺)
19		ipcn.u	. . . 4 ⊢ 𝑈 = ((𝑅 / 2) / ((𝑁‘𝐵) + 𝑇))
20		ipcn.b	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ 𝑉)
21	10, 11	nmcl 24125	. . . . . . . 8 ⊢ ((𝑊 ∈ NrmGrp ∧ 𝐵 ∈ 𝑉) → (𝑁‘𝐵) ∈ ℝ)
22	8, 20, 21	syl2anc 585	. . . . . . 7 ⊢ (𝜑 → (𝑁‘𝐵) ∈ ℝ)
23	18	rpred 13016	. . . . . . 7 ⊢ (𝜑 → 𝑇 ∈ ℝ)
24	22, 23	readdcld 11243	. . . . . 6 ⊢ (𝜑 → ((𝑁‘𝐵) + 𝑇) ∈ ℝ)
25		0red 11217	. . . . . . 7 ⊢ (𝜑 → 0 ∈ ℝ)
26	10, 11	nmge0 24126	. . . . . . . 8 ⊢ ((𝑊 ∈ NrmGrp ∧ 𝐵 ∈ 𝑉) → 0 ≤ (𝑁‘𝐵))
27	8, 20, 26	syl2anc 585	. . . . . . 7 ⊢ (𝜑 → 0 ≤ (𝑁‘𝐵))
28	22, 18	ltaddrpd 13049	. . . . . . 7 ⊢ (𝜑 → (𝑁‘𝐵) < ((𝑁‘𝐵) + 𝑇))
29	25, 22, 24, 27, 28	lelttrd 11372	. . . . . 6 ⊢ (𝜑 → 0 < ((𝑁‘𝐵) + 𝑇))
30	24, 29	elrpd 13013	. . . . 5 ⊢ (𝜑 → ((𝑁‘𝐵) + 𝑇) ∈ ℝ⁺)
31	3, 30	rpdivcld 13033	. . . 4 ⊢ (𝜑 → ((𝑅 / 2) / ((𝑁‘𝐵) + 𝑇)) ∈ ℝ⁺)
32	19, 31	eqeltrid 2838	. . 3 ⊢ (𝜑 → 𝑈 ∈ ℝ⁺)
33	18, 32	ifcld 4575	. 2 ⊢ (𝜑 → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∈ ℝ⁺)
34		ipcn.h	. . . . 5 ⊢ , = (·_𝑖‘𝑊)
35		ipcn.d	. . . . 5 ⊢ 𝐷 = (dist‘𝑊)
36	4	adantr 482	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑊 ∈ ℂPreHil)
37	9	adantr 482	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝐴 ∈ 𝑉)
38	20	adantr 482	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝐵 ∈ 𝑉)
39	2	adantr 482	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑅 ∈ ℝ⁺)
40		simprll 778	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑥 ∈ 𝑉)
41		simprlr 779	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑦 ∈ 𝑉)
42	8	adantr 482	. . . . . . . 8 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑊 ∈ NrmGrp)
43		ngpms 24109	. . . . . . . 8 ⊢ (𝑊 ∈ NrmGrp → 𝑊 ∈ MetSp)
44	42, 43	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑊 ∈ MetSp)
45	10, 35	mscl 23967	. . . . . . 7 ⊢ ((𝑊 ∈ MetSp ∧ 𝐴 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉) → (𝐴𝐷𝑥) ∈ ℝ)
46	44, 37, 40, 45	syl3anc 1372	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐴𝐷𝑥) ∈ ℝ)
47	33	adantr 482	. . . . . . 7 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∈ ℝ⁺)
48	47	rpred 13016	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∈ ℝ)
49	32	rpred 13016	. . . . . . 7 ⊢ (𝜑 → 𝑈 ∈ ℝ)
50	49	adantr 482	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑈 ∈ ℝ)
51		simprrl 780	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈))
52	23	adantr 482	. . . . . . 7 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑇 ∈ ℝ)
53		min2 13169	. . . . . . 7 ⊢ ((𝑇 ∈ ℝ ∧ 𝑈 ∈ ℝ) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ≤ 𝑈)
54	52, 50, 53	syl2anc 585	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ≤ 𝑈)
55	46, 48, 50, 51, 54	ltletrd 11374	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐴𝐷𝑥) < 𝑈)
56	8, 43	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝑊 ∈ MetSp)
57	56	adantr 482	. . . . . . 7 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → 𝑊 ∈ MetSp)
58	10, 35	mscl 23967	. . . . . . 7 ⊢ ((𝑊 ∈ MetSp ∧ 𝐵 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) → (𝐵𝐷𝑦) ∈ ℝ)
59	57, 38, 41, 58	syl3anc 1372	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐵𝐷𝑦) ∈ ℝ)
60		simprrr 781	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈))
61		min1 13168	. . . . . . 7 ⊢ ((𝑇 ∈ ℝ ∧ 𝑈 ∈ ℝ) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ≤ 𝑇)
62	52, 50, 61	syl2anc 585	. . . . . 6 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ≤ 𝑇)
63	59, 48, 52, 60, 62	ltletrd 11374	. . . . 5 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (𝐵𝐷𝑦) < 𝑇)
64	10, 34, 35, 11, 1, 19, 36, 37, 38, 39, 40, 41, 55, 63	ipcnlem2 24761	. . . 4 ⊢ ((𝜑 ∧ ((𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉) ∧ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅)
65	64	expr 458	. . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑉 ∧ 𝑦 ∈ 𝑉)) → (((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅))
66	65	ralrimivva 3201	. 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅))
67		breq2 5153	. . . . . 6 ⊢ (𝑟 = if(𝑇 ≤ 𝑈, 𝑇, 𝑈) → ((𝐴𝐷𝑥) < 𝑟 ↔ (𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))
68		breq2 5153	. . . . . 6 ⊢ (𝑟 = if(𝑇 ≤ 𝑈, 𝑇, 𝑈) → ((𝐵𝐷𝑦) < 𝑟 ↔ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)))
69	67, 68	anbi12d 632	. . . . 5 ⊢ (𝑟 = if(𝑇 ≤ 𝑈, 𝑇, 𝑈) → (((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) ↔ ((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈))))
70	69	imbi1d 342	. . . 4 ⊢ (𝑟 = if(𝑇 ≤ 𝑈, 𝑇, 𝑈) → ((((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅) ↔ (((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅)))
71	70	2ralbidv 3219	. . 3 ⊢ (𝑟 = if(𝑇 ≤ 𝑈, 𝑇, 𝑈) → (∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅) ↔ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅)))
72	71	rspcev 3613	. 2 ⊢ ((if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∈ ℝ⁺ ∧ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈) ∧ (𝐵𝐷𝑦) < if(𝑇 ≤ 𝑈, 𝑇, 𝑈)) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅)) → ∃𝑟 ∈ ℝ⁺ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅))
73	33, 66, 72	syl2anc 585	1 ⊢ (𝜑 → ∃𝑟 ∈ ℝ⁺ ∀𝑥 ∈ 𝑉 ∀𝑦 ∈ 𝑉 (((𝐴𝐷𝑥) < 𝑟 ∧ (𝐵𝐷𝑦) < 𝑟) → (abs‘((𝐴 , 𝐵) − (𝑥 , 𝑦))) < 𝑅))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ∀wral 3062 ∃wrex 3071 ifcif 4529 class class class wbr 5149 ‘cfv 6544 (class class class)co 7409 ℝcr 11109 0cc0 11110 1c1 11111 + caddc 11113 < clt 11248 ≤ cle 11249 − cmin 11444 / cdiv 11871 2c2 12267 ℝ⁺crp 12974 abscabs 15181 Basecbs 17144 ·_𝑖cip 17202 distcds 17206 MetSpcms 23824 normcnm 24085 NrmGrpcngp 24086 NrmModcnlm 24089 ℂPreHilccph 24683

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2704 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5364 ax-pr 5428 ax-un 7725 ax-cnex 11166 ax-resscn 11167 ax-1cn 11168 ax-icn 11169 ax-addcl 11170 ax-addrcl 11171 ax-mulcl 11172 ax-mulrcl 11173 ax-mulcom 11174 ax-addass 11175 ax-mulass 11176 ax-distr 11177 ax-i2m1 11178 ax-1ne0 11179 ax-1rid 11180 ax-rnegex 11181 ax-rrecex 11182 ax-cnre 11183 ax-pre-lttri 11184 ax-pre-lttrn 11185 ax-pre-ltadd 11186 ax-pre-mulgt0 11187 ax-pre-sup 11188 ax-addf 11189 ax-mulf 11190

This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2535 df-eu 2564 df-clab 2711 df-cleq 2725 df-clel 2811 df-nfc 2886 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3377 df-reu 3378 df-rab 3434 df-v 3477 df-sbc 3779 df-csb 3895 df-dif 3952 df-un 3954 df-in 3956 df-ss 3966 df-pss 3968 df-nul 4324 df-if 4530 df-pw 4605 df-sn 4630 df-pr 4632 df-tp 4634 df-op 4636 df-uni 4910 df-iun 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5575 df-eprel 5581 df-po 5589 df-so 5590 df-fr 5632 df-we 5634 df-xp 5683 df-rel 5684 df-cnv 5685 df-co 5686 df-dm 5687 df-rn 5688 df-res 5689 df-ima 5690 df-pred 6301 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6496 df-fun 6546 df-fn 6547 df-f 6548 df-f1 6549 df-fo 6550 df-f1o 6551 df-fv 6552 df-riota 7365 df-ov 7412 df-oprab 7413 df-mpo 7414 df-om 7856 df-1st 7975 df-2nd 7976 df-tpos 8211 df-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-1o 8466 df-er 8703 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-sup 9437 df-inf 9438 df-pnf 11250 df-mnf 11251 df-xr 11252 df-ltxr 11253 df-le 11254 df-sub 11446 df-neg 11447 df-div 11872 df-nn 12213 df-2 12275 df-3 12276 df-4 12277 df-5 12278 df-6 12279 df-7 12280 df-8 12281 df-9 12282 df-n0 12473 df-z 12559 df-dec 12678 df-uz 12823 df-q 12933 df-rp 12975 df-xneg 13092 df-xadd 13093 df-xmul 13094 df-ico 13330 df-fz 13485 df-seq 13967 df-exp 14028 df-cj 15046 df-re 15047 df-im 15048 df-sqrt 15182 df-abs 15183 df-struct 17080 df-sets 17097 df-slot 17115 df-ndx 17127 df-base 17145 df-ress 17174 df-plusg 17210 df-mulr 17211 df-starv 17212 df-sca 17213 df-vsca 17214 df-ip 17215 df-tset 17216 df-ple 17217 df-ds 17219 df-unif 17220 df-0g 17387 df-topgen 17389 df-xrs 17448 df-mgm 18561 df-sgrp 18610 df-mnd 18626 df-mhm 18671 df-grp 18822 df-minusg 18823 df-sbg 18824 df-subg 19003 df-ghm 19090 df-cmn 19650 df-abl 19651 df-mgp 19988 df-ur 20005 df-ring 20058 df-cring 20059 df-oppr 20150 df-dvdsr 20171 df-unit 20172 df-invr 20202 df-dvr 20215 df-rnghom 20251 df-subrg 20317 df-drng 20359 df-staf 20453 df-srng 20454 df-lmod 20473 df-lmhm 20633 df-lvec 20714 df-sra 20785 df-rgmod 20786 df-psmet 20936 df-xmet 20937 df-met 20938 df-bl 20939 df-mopn 20940 df-cnfld 20945 df-phl 21179 df-top 22396 df-topon 22413 df-topsp 22435 df-bases 22449 df-xms 23826 df-ms 23827 df-nm 24091 df-ngp 24092 df-tng 24093 df-nlm 24095 df-clm 24579 df-cph 24685 df-tcph 24686

This theorem is referenced by: ipcn 24763

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