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Theorem minveclem7 24959

Description: Lemma for minvec 24960. Since any two minimal points are distance zero away from each other, the minimal point is unique. (Contributed by Mario Carneiro, 9-May-2014.) (Revised by Mario Carneiro, 15-Oct-2015.)

**Hypotheses**
Ref	Expression
minvec.x	⊢ 𝑋 = (Base‘𝑈)
minvec.m	⊢ − = (-_g‘𝑈)
minvec.n	⊢ 𝑁 = (norm‘𝑈)
minvec.u	⊢ (𝜑 → 𝑈 ∈ ℂPreHil)
minvec.y	⊢ (𝜑 → 𝑌 ∈ (LSubSp‘𝑈))
minvec.w	⊢ (𝜑 → (𝑈 ↾_s 𝑌) ∈ CMetSp)
minvec.a	⊢ (𝜑 → 𝐴 ∈ 𝑋)
minvec.j	⊢ 𝐽 = (TopOpen‘𝑈)
minvec.r	⊢ 𝑅 = ran (𝑦 ∈ 𝑌 ↦ (𝑁‘(𝐴 − 𝑦)))
minvec.s	⊢ 𝑆 = inf(𝑅, ℝ, < )
minvec.d	⊢ 𝐷 = ((dist‘𝑈) ↾ (𝑋 × 𝑋))

**Assertion**
Ref	Expression
minveclem7	⊢ (𝜑 → ∃!𝑥 ∈ 𝑌 ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)))

Distinct variable groups: 𝑥,𝑦, − 𝑥,𝐴,𝑦 𝑥,𝐽,𝑦 𝑥,𝑁,𝑦 𝜑,𝑥,𝑦 𝑥,𝑅,𝑦 𝑥,𝑈,𝑦 𝑥,𝑋,𝑦 𝑥,𝑌,𝑦 𝑥,𝐷,𝑦 𝑥,𝑆,𝑦

Proof of Theorem minveclem7 Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		minvec.x	. . 3 ⊢ 𝑋 = (Base‘𝑈)
2		minvec.m	. . 3 ⊢ − = (-_g‘𝑈)
3		minvec.n	. . 3 ⊢ 𝑁 = (norm‘𝑈)
4		minvec.u	. . 3 ⊢ (𝜑 → 𝑈 ∈ ℂPreHil)
5		minvec.y	. . 3 ⊢ (𝜑 → 𝑌 ∈ (LSubSp‘𝑈))
6		minvec.w	. . 3 ⊢ (𝜑 → (𝑈 ↾_s 𝑌) ∈ CMetSp)
7		minvec.a	. . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑋)
8		minvec.j	. . 3 ⊢ 𝐽 = (TopOpen‘𝑈)
9		minvec.r	. . 3 ⊢ 𝑅 = ran (𝑦 ∈ 𝑌 ↦ (𝑁‘(𝐴 − 𝑦)))
10		minvec.s	. . 3 ⊢ 𝑆 = inf(𝑅, ℝ, < )
11		minvec.d	. . 3 ⊢ 𝐷 = ((dist‘𝑈) ↾ (𝑋 × 𝑋))
12	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11	minveclem5 24957	. 2 ⊢ (𝜑 → ∃𝑥 ∈ 𝑌 ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)))
13	4	ad2antrr 724	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 𝑈 ∈ ℂPreHil)
14	5	ad2antrr 724	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 𝑌 ∈ (LSubSp‘𝑈))
15	6	ad2antrr 724	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → (𝑈 ↾_s 𝑌) ∈ CMetSp)
16	7	ad2antrr 724	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 𝐴 ∈ 𝑋)
17		0re 11218	. . . . . . 7 ⊢ 0 ∈ ℝ
18	17	a1i 11	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 0 ∈ ℝ)
19		0le0 12315	. . . . . . 7 ⊢ 0 ≤ 0
20	19	a1i 11	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 0 ≤ 0)
21		simplrl 775	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 𝑥 ∈ 𝑌)
22		simplrr 776	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → 𝑤 ∈ 𝑌)
23		simprl 769	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → ((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0))
24		simprr 771	. . . . . 6 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))
25	1, 2, 3, 13, 14, 15, 16, 8, 9, 10, 11, 18, 20, 21, 22, 23, 24	minveclem2 24950	. . . . 5 ⊢ (((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) ∧ (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0))) → ((𝑥𝐷𝑤)↑2) ≤ (4 · 0))
26	25	ex 413	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → ((((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0)) → ((𝑥𝐷𝑤)↑2) ≤ (4 · 0)))
27	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11	minveclem6 24958	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝑌) → (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ↔ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦))))
28	27	adantrr 715	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ↔ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦))))
29	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11	minveclem6 24958	. . . . . 6 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑌) → (((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0) ↔ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))))
30	29	adantrl 714	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0) ↔ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))))
31	28, 30	anbi12d 631	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → ((((𝐴𝐷𝑥)↑2) ≤ ((𝑆↑2) + 0) ∧ ((𝐴𝐷𝑤)↑2) ≤ ((𝑆↑2) + 0)) ↔ (∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ∧ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦)))))
32		4cn 12299	. . . . . . 7 ⊢ 4 ∈ ℂ
33	32	mul01i 11406	. . . . . 6 ⊢ (4 · 0) = 0
34	33	breq2i 5156	. . . . 5 ⊢ (((𝑥𝐷𝑤)↑2) ≤ (4 · 0) ↔ ((𝑥𝐷𝑤)↑2) ≤ 0)
35		cphngp 24697	. . . . . . . . . . . 12 ⊢ (𝑈 ∈ ℂPreHil → 𝑈 ∈ NrmGrp)
36		ngpms 24116	. . . . . . . . . . . 12 ⊢ (𝑈 ∈ NrmGrp → 𝑈 ∈ MetSp)
37	4, 35, 36	3syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑈 ∈ MetSp)
38	37	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑈 ∈ MetSp)
39	1, 11	msmet 23970	. . . . . . . . . 10 ⊢ (𝑈 ∈ MetSp → 𝐷 ∈ (Met‘𝑋))
40	38, 39	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝐷 ∈ (Met‘𝑋))
41		eqid 2732	. . . . . . . . . . . . 13 ⊢ (LSubSp‘𝑈) = (LSubSp‘𝑈)
42	1, 41	lssss 20552	. . . . . . . . . . . 12 ⊢ (𝑌 ∈ (LSubSp‘𝑈) → 𝑌 ⊆ 𝑋)
43	5, 42	syl 17	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑌 ⊆ 𝑋)
44	43	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑌 ⊆ 𝑋)
45		simprl 769	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑥 ∈ 𝑌)
46	44, 45	sseldd 3983	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑥 ∈ 𝑋)
47		simprr 771	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑤 ∈ 𝑌)
48	44, 47	sseldd 3983	. . . . . . . . 9 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 𝑤 ∈ 𝑋)
49		metcl 23845	. . . . . . . . 9 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ 𝑥 ∈ 𝑋 ∧ 𝑤 ∈ 𝑋) → (𝑥𝐷𝑤) ∈ ℝ)
50	40, 46, 48, 49	syl3anc 1371	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (𝑥𝐷𝑤) ∈ ℝ)
51	50	sqge0d 14104	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → 0 ≤ ((𝑥𝐷𝑤)↑2))
52	51	biantrud 532	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) ≤ 0 ↔ (((𝑥𝐷𝑤)↑2) ≤ 0 ∧ 0 ≤ ((𝑥𝐷𝑤)↑2))))
53	50	resqcld 14092	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → ((𝑥𝐷𝑤)↑2) ∈ ℝ)
54		letri3 11301	. . . . . . 7 ⊢ ((((𝑥𝐷𝑤)↑2) ∈ ℝ ∧ 0 ∈ ℝ) → (((𝑥𝐷𝑤)↑2) = 0 ↔ (((𝑥𝐷𝑤)↑2) ≤ 0 ∧ 0 ≤ ((𝑥𝐷𝑤)↑2))))
55	53, 17, 54	sylancl 586	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) = 0 ↔ (((𝑥𝐷𝑤)↑2) ≤ 0 ∧ 0 ≤ ((𝑥𝐷𝑤)↑2))))
56	50	recnd 11244	. . . . . . . 8 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (𝑥𝐷𝑤) ∈ ℂ)
57		sqeq0 14087	. . . . . . . 8 ⊢ ((𝑥𝐷𝑤) ∈ ℂ → (((𝑥𝐷𝑤)↑2) = 0 ↔ (𝑥𝐷𝑤) = 0))
58	56, 57	syl 17	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) = 0 ↔ (𝑥𝐷𝑤) = 0))
59		meteq0 23852	. . . . . . . 8 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ 𝑥 ∈ 𝑋 ∧ 𝑤 ∈ 𝑋) → ((𝑥𝐷𝑤) = 0 ↔ 𝑥 = 𝑤))
60	40, 46, 48, 59	syl3anc 1371	. . . . . . 7 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → ((𝑥𝐷𝑤) = 0 ↔ 𝑥 = 𝑤))
61	58, 60	bitrd 278	. . . . . 6 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) = 0 ↔ 𝑥 = 𝑤))
62	52, 55, 61	3bitr2d 306	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) ≤ 0 ↔ 𝑥 = 𝑤))
63	34, 62	bitrid 282	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → (((𝑥𝐷𝑤)↑2) ≤ (4 · 0) ↔ 𝑥 = 𝑤))
64	26, 31, 63	3imtr3d 292	. . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝑌 ∧ 𝑤 ∈ 𝑌)) → ((∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ∧ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))) → 𝑥 = 𝑤))
65	64	ralrimivva 3200	. 2 ⊢ (𝜑 → ∀𝑥 ∈ 𝑌 ∀𝑤 ∈ 𝑌 ((∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ∧ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))) → 𝑥 = 𝑤))
66		oveq2 7419	. . . . . 6 ⊢ (𝑥 = 𝑤 → (𝐴 − 𝑥) = (𝐴 − 𝑤))
67	66	fveq2d 6895	. . . . 5 ⊢ (𝑥 = 𝑤 → (𝑁‘(𝐴 − 𝑥)) = (𝑁‘(𝐴 − 𝑤)))
68	67	breq1d 5158	. . . 4 ⊢ (𝑥 = 𝑤 → ((𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ↔ (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))))
69	68	ralbidv 3177	. . 3 ⊢ (𝑥 = 𝑤 → (∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ↔ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))))
70	69	reu4 3727	. 2 ⊢ (∃!𝑥 ∈ 𝑌 ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ↔ (∃𝑥 ∈ 𝑌 ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ∧ ∀𝑥 ∈ 𝑌 ∀𝑤 ∈ 𝑌 ((∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)) ∧ ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑤)) ≤ (𝑁‘(𝐴 − 𝑦))) → 𝑥 = 𝑤)))
71	12, 65, 70	sylanbrc 583	1 ⊢ (𝜑 → ∃!𝑥 ∈ 𝑌 ∀𝑦 ∈ 𝑌 (𝑁‘(𝐴 − 𝑥)) ≤ (𝑁‘(𝐴 − 𝑦)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∀wral 3061 ∃wrex 3070 ∃!wreu 3374 ⊆ wss 3948 class class class wbr 5148 ↦ cmpt 5231 × cxp 5674 ran crn 5677 ↾ cres 5678 ‘cfv 6543 (class class class)co 7411 infcinf 9438 ℂcc 11110 ℝcr 11111 0cc0 11112 + caddc 11115 · cmul 11117 < clt 11250 ≤ cle 11251 2c2 12269 4c4 12271 ↑cexp 14029 Basecbs 17146 ↾_s cress 17175 distcds 17208 TopOpenctopn 17369 -_gcsg 18823 LSubSpclss 20547 Metcmet 20936 MetSpcms 23831 normcnm 24092 NrmGrpcngp 24093 ℂPreHilccph 24690 CMetSpccms 24856

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-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 ax-addf 11191 ax-mulf 11192

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-tp 4633 df-op 4635 df-uni 4909 df-int 4951 df-iun 4999 df-iin 5000 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-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-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-1st 7977 df-2nd 7978 df-tpos 8213 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-er 8705 df-map 8824 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fi 9408 df-sup 9439 df-inf 9440 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-4 12279 df-5 12280 df-6 12281 df-7 12282 df-8 12283 df-9 12284 df-n0 12475 df-z 12561 df-dec 12680 df-uz 12825 df-q 12935 df-rp 12977 df-xneg 13094 df-xadd 13095 df-xmul 13096 df-ico 13332 df-icc 13333 df-fz 13487 df-seq 13969 df-exp 14030 df-cj 15048 df-re 15049 df-im 15050 df-sqrt 15184 df-abs 15185 df-struct 17082 df-sets 17099 df-slot 17117 df-ndx 17129 df-base 17147 df-ress 17176 df-plusg 17212 df-mulr 17213 df-starv 17214 df-sca 17215 df-vsca 17216 df-ip 17217 df-tset 17218 df-ple 17219 df-ds 17221 df-unif 17222 df-rest 17370 df-0g 17389 df-topgen 17391 df-mgm 18563 df-sgrp 18612 df-mnd 18628 df-mhm 18673 df-grp 18824 df-minusg 18825 df-sbg 18826 df-mulg 18953 df-subg 19005 df-ghm 19092 df-cmn 19652 df-abl 19653 df-mgp 19990 df-ur 20007 df-ring 20060 df-cring 20061 df-oppr 20154 df-dvdsr 20175 df-unit 20176 df-invr 20206 df-dvr 20219 df-rnghom 20255 df-subrg 20321 df-drng 20363 df-staf 20457 df-srng 20458 df-lmod 20477 df-lss 20548 df-lmhm 20638 df-lvec 20719 df-sra 20791 df-rgmod 20792 df-psmet 20942 df-xmet 20943 df-met 20944 df-bl 20945 df-mopn 20946 df-fbas 20947 df-fg 20948 df-cnfld 20951 df-phl 21185 df-top 22403 df-topon 22420 df-topsp 22442 df-bases 22456 df-cld 22530 df-ntr 22531 df-cls 22532 df-nei 22609 df-haus 22826 df-fil 23357 df-flim 23450 df-xms 23833 df-ms 23834 df-nm 24098 df-ngp 24099 df-nlm 24102 df-clm 24586 df-cph 24692 df-cfil 24779 df-cmet 24781 df-cms 24859

This theorem is referenced by: minvec 24960

W3C validator