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Theorem siilem2 30785

Description: Lemma for sii 30787. (Contributed by NM, 24-Nov-2007.) (New usage is discouraged.)

**Hypotheses**
Ref	Expression
siii.1	⊢ 𝑋 = (BaseSet‘𝑈)
siii.6	⊢ 𝑁 = (norm_CV‘𝑈)
siii.7	⊢ 𝑃 = (·_𝑖OLD‘𝑈)
siii.9	⊢ 𝑈 ∈ CPreHil_OLD
siii.a	⊢ 𝐴 ∈ 𝑋
siii.b	⊢ 𝐵 ∈ 𝑋
siii2.3	⊢ 𝑀 = ( −_𝑣 ‘𝑈)
siii2.4	⊢ 𝑆 = ( ·_𝑠OLD ‘𝑈)

**Assertion**
Ref	Expression
siilem2	⊢ ((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))) → ((𝐵𝑃𝐴) = (𝐶 · ((𝑁‘𝐵)↑2)) → (√‘((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵))))

**Proof of Theorem siilem2**
Step	Hyp	Ref	Expression
1		oveq1 7431	. . . 4 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (𝐶 · ((𝑁‘𝐵)↑2)) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)))
2	1	eqeq2d 2737	. . 3 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((𝐵𝑃𝐴) = (𝐶 · ((𝑁‘𝐵)↑2)) ↔ (𝐵𝑃𝐴) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2))))
3	1	oveq2d 7440	. . . . 5 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2))) = ((𝐴𝑃𝐵) · (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2))))
4	3	fveq2d 6905	. . . 4 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (√‘((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2)))) = (√‘((𝐴𝑃𝐵) · (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)))))
5	4	breq1d 5163	. . 3 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((√‘((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵)) ↔ (√‘((𝐴𝑃𝐵) · (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵))))
6	2, 5	imbi12d 343	. 2 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (((𝐵𝑃𝐴) = (𝐶 · ((𝑁‘𝐵)↑2)) → (√‘((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵))) ↔ ((𝐵𝑃𝐴) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)) → (√‘((𝐴𝑃𝐵) · (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵)))))
7		siii.1	. . 3 ⊢ 𝑋 = (BaseSet‘𝑈)
8		siii.6	. . 3 ⊢ 𝑁 = (norm_CV‘𝑈)
9		siii.7	. . 3 ⊢ 𝑃 = (·_𝑖OLD‘𝑈)
10		siii.9	. . 3 ⊢ 𝑈 ∈ CPreHil_OLD
11		siii.a	. . 3 ⊢ 𝐴 ∈ 𝑋
12		siii.b	. . 3 ⊢ 𝐵 ∈ 𝑋
13		siii2.3	. . 3 ⊢ 𝑀 = ( −_𝑣 ‘𝑈)
14		siii2.4	. . 3 ⊢ 𝑆 = ( ·_𝑠OLD ‘𝑈)
15		eleq1 2814	. . . . . 6 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (𝐶 ∈ ℂ ↔ if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ))
16		oveq1 7431	. . . . . . 7 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (𝐶 · (𝐴𝑃𝐵)) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)))
17	16	eleq1d 2811	. . . . . 6 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ↔ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ))
18	16	breq2d 5165	. . . . . 6 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (0 ≤ (𝐶 · (𝐴𝑃𝐵)) ↔ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵))))
19	15, 17, 18	3anbi123d 1433	. . . . 5 ⊢ (𝐶 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))) ↔ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ ∧ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)))))
20		eleq1 2814	. . . . . 6 ⊢ (0 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (0 ∈ ℂ ↔ if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ))
21		oveq1 7431	. . . . . . 7 ⊢ (0 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (0 · (𝐴𝑃𝐵)) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)))
22	21	eleq1d 2811	. . . . . 6 ⊢ (0 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((0 · (𝐴𝑃𝐵)) ∈ ℝ ↔ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ))
23	21	breq2d 5165	. . . . . 6 ⊢ (0 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → (0 ≤ (0 · (𝐴𝑃𝐵)) ↔ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵))))
24	20, 22, 23	3anbi123d 1433	. . . . 5 ⊢ (0 = if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) → ((0 ∈ ℂ ∧ (0 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (0 · (𝐴𝑃𝐵))) ↔ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ ∧ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)))))
25		0cn 11256	. . . . . 6 ⊢ 0 ∈ ℂ
26	10	phnvi 30749	. . . . . . . . 9 ⊢ 𝑈 ∈ NrmCVec
27	7, 9	dipcl 30645	. . . . . . . . 9 ⊢ ((𝑈 ∈ NrmCVec ∧ 𝐴 ∈ 𝑋 ∧ 𝐵 ∈ 𝑋) → (𝐴𝑃𝐵) ∈ ℂ)
28	26, 11, 12, 27	mp3an 1458	. . . . . . . 8 ⊢ (𝐴𝑃𝐵) ∈ ℂ
29	28	mul02i 11453	. . . . . . 7 ⊢ (0 · (𝐴𝑃𝐵)) = 0
30		0re 11266	. . . . . . 7 ⊢ 0 ∈ ℝ
31	29, 30	eqeltri 2822	. . . . . 6 ⊢ (0 · (𝐴𝑃𝐵)) ∈ ℝ
32		0le0 12365	. . . . . . 7 ⊢ 0 ≤ 0
33	32, 29	breqtrri 5180	. . . . . 6 ⊢ 0 ≤ (0 · (𝐴𝑃𝐵))
34	25, 31, 33	3pm3.2i 1336	. . . . 5 ⊢ (0 ∈ ℂ ∧ (0 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (0 · (𝐴𝑃𝐵)))
35	19, 24, 34	elimhyp 4598	. . . 4 ⊢ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ ∧ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)))
36	35	simp1i 1136	. . 3 ⊢ if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) ∈ ℂ
37	35	simp2i 1137	. . 3 ⊢ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵)) ∈ ℝ
38	35	simp3i 1138	. . 3 ⊢ 0 ≤ (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · (𝐴𝑃𝐵))
39	7, 8, 9, 10, 11, 12, 13, 14, 36, 37, 38	siilem1 30784	. 2 ⊢ ((𝐵𝑃𝐴) = (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)) → (√‘((𝐴𝑃𝐵) · (if((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))), 𝐶, 0) · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵)))
40	6, 39	dedth 4591	1 ⊢ ((𝐶 ∈ ℂ ∧ (𝐶 · (𝐴𝑃𝐵)) ∈ ℝ ∧ 0 ≤ (𝐶 · (𝐴𝑃𝐵))) → ((𝐵𝑃𝐴) = (𝐶 · ((𝑁‘𝐵)↑2)) → (√‘((𝐴𝑃𝐵) · (𝐶 · ((𝑁‘𝐵)↑2)))) ≤ ((𝑁‘𝐴) · (𝑁‘𝐵))))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ w3a 1084 = wceq 1534 ∈ wcel 2099 ifcif 4533 class class class wbr 5153 ‘cfv 6554 (class class class)co 7424 ℂcc 11156 ℝcr 11157 0cc0 11158 · cmul 11163 ≤ cle 11299 2c2 12319 ↑cexp 14081 √csqrt 15238 NrmCVeccnv 30517 BaseSetcba 30519 ·_𝑠OLD cns 30520 −_𝑣 cnsb 30522 norm_CVcnmcv 30523 ·_𝑖OLDcdip 30633 CPreHil_OLDccphlo 30745

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2167 ax-ext 2697 ax-rep 5290 ax-sep 5304 ax-nul 5311 ax-pow 5369 ax-pr 5433 ax-un 7746 ax-inf2 9684 ax-cnex 11214 ax-resscn 11215 ax-1cn 11216 ax-icn 11217 ax-addcl 11218 ax-addrcl 11219 ax-mulcl 11220 ax-mulrcl 11221 ax-mulcom 11222 ax-addass 11223 ax-mulass 11224 ax-distr 11225 ax-i2m1 11226 ax-1ne0 11227 ax-1rid 11228 ax-rnegex 11229 ax-rrecex 11230 ax-cnre 11231 ax-pre-lttri 11232 ax-pre-lttrn 11233 ax-pre-ltadd 11234 ax-pre-mulgt0 11235 ax-pre-sup 11236 ax-addf 11237 ax-mulf 11238

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2704 df-cleq 2718 df-clel 2803 df-nfc 2878 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3364 df-reu 3365 df-rab 3420 df-v 3464 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3967 df-nul 4326 df-if 4534 df-pw 4609 df-sn 4634 df-pr 4636 df-tp 4638 df-op 4640 df-uni 4914 df-int 4955 df-iun 5003 df-iin 5004 df-br 5154 df-opab 5216 df-mpt 5237 df-tr 5271 df-id 5580 df-eprel 5586 df-po 5594 df-so 5595 df-fr 5637 df-se 5638 df-we 5639 df-xp 5688 df-rel 5689 df-cnv 5690 df-co 5691 df-dm 5692 df-rn 5693 df-res 5694 df-ima 5695 df-pred 6312 df-ord 6379 df-on 6380 df-lim 6381 df-suc 6382 df-iota 6506 df-fun 6556 df-fn 6557 df-f 6558 df-f1 6559 df-fo 6560 df-f1o 6561 df-fv 6562 df-isom 6563 df-riota 7380 df-ov 7427 df-oprab 7428 df-mpo 7429 df-of 7690 df-om 7877 df-1st 8003 df-2nd 8004 df-supp 8175 df-frecs 8296 df-wrecs 8327 df-recs 8401 df-rdg 8440 df-1o 8496 df-2o 8497 df-er 8734 df-map 8857 df-ixp 8927 df-en 8975 df-dom 8976 df-sdom 8977 df-fin 8978 df-fsupp 9406 df-fi 9454 df-sup 9485 df-inf 9486 df-oi 9553 df-card 9982 df-pnf 11300 df-mnf 11301 df-xr 11302 df-ltxr 11303 df-le 11304 df-sub 11496 df-neg 11497 df-div 11922 df-nn 12265 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12525 df-z 12611 df-dec 12730 df-uz 12875 df-q 12985 df-rp 13029 df-xneg 13146 df-xadd 13147 df-xmul 13148 df-ioo 13382 df-icc 13385 df-fz 13539 df-fzo 13682 df-seq 14022 df-exp 14082 df-hash 14348 df-cj 15104 df-re 15105 df-im 15106 df-sqrt 15240 df-abs 15241 df-clim 15490 df-sum 15691 df-struct 17149 df-sets 17166 df-slot 17184 df-ndx 17196 df-base 17214 df-ress 17243 df-plusg 17279 df-mulr 17280 df-starv 17281 df-sca 17282 df-vsca 17283 df-ip 17284 df-tset 17285 df-ple 17286 df-ds 17288 df-unif 17289 df-hom 17290 df-cco 17291 df-rest 17437 df-topn 17438 df-0g 17456 df-gsum 17457 df-topgen 17458 df-pt 17459 df-prds 17462 df-xrs 17517 df-qtop 17522 df-imas 17523 df-xps 17525 df-mre 17599 df-mrc 17600 df-acs 17602 df-mgm 18633 df-sgrp 18712 df-mnd 18728 df-submnd 18774 df-mulg 19062 df-cntz 19311 df-cmn 19780 df-psmet 21335 df-xmet 21336 df-met 21337 df-bl 21338 df-mopn 21339 df-cnfld 21344 df-top 22887 df-topon 22904 df-topsp 22926 df-bases 22940 df-cld 23014 df-ntr 23015 df-cls 23016 df-cn 23222 df-cnp 23223 df-t1 23309 df-haus 23310 df-tx 23557 df-hmeo 23750 df-xms 24317 df-ms 24318 df-tms 24319 df-grpo 30426 df-gid 30427 df-ginv 30428 df-gdiv 30429 df-ablo 30478 df-vc 30492 df-nv 30525 df-va 30528 df-ba 30529 df-sm 30530 df-0v 30531 df-vs 30532 df-nmcv 30533 df-ims 30534 df-dip 30634 df-ph 30746

This theorem is referenced by: siii 30786

W3C validator