Theorem metsscmetcld 25248

Description: A complete subspace of a metric space is closed in the parent space. Formerly part of proof for cmetss 25249. (Contributed by NM, 28-Jan-2008.) (Revised by Mario Carneiro, 15-Oct-2015.) (Revised by AV, 9-Oct-2022.)

Hypothesis

Ref	Expression
metsscmetcld.j	⊢ 𝐽 = (MetOpen‘𝐷)

Assertion

Ref	Expression
metsscmetcld	⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝑌 ∈ (Clsd‘𝐽))

Proof of Theorem metsscmetcld

Dummy variables 𝑥 𝑓 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		metxmet 24255	. . . . . . 7 ⊢ (𝐷 ∈ (Met‘𝑋) → 𝐷 ∈ (∞Met‘𝑋))
2	1	adantr 480	. . . . . 6 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝐷 ∈ (∞Met‘𝑋))
3		metsscmetcld.j	. . . . . . 7 ⊢ 𝐽 = (MetOpen‘𝐷)
4	3	mopntopon 24360	. . . . . 6 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ (TopOn‘𝑋))
5	2, 4	syl 17	. . . . 5 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝐽 ∈ (TopOn‘𝑋))
6		resss 5955	. . . . . . 7 ⊢ (𝐷 ↾ (𝑌 × 𝑌)) ⊆ 𝐷
7		dmss 5847	. . . . . . 7 ⊢ ((𝐷 ↾ (𝑌 × 𝑌)) ⊆ 𝐷 → dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom 𝐷)
8		dmss 5847	. . . . . . 7 ⊢ (dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom 𝐷 → dom dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom dom 𝐷)
9	6, 7, 8	mp2b 10	. . . . . 6 ⊢ dom dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom dom 𝐷
10		cmetmet 25219	. . . . . . . 8 ⊢ ((𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌) → (𝐷 ↾ (𝑌 × 𝑌)) ∈ (Met‘𝑌))
11		metdmdm 24257	. . . . . . . 8 ⊢ ((𝐷 ↾ (𝑌 × 𝑌)) ∈ (Met‘𝑌) → 𝑌 = dom dom (𝐷 ↾ (𝑌 × 𝑌)))
12	10, 11	syl 17	. . . . . . 7 ⊢ ((𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌) → 𝑌 = dom dom (𝐷 ↾ (𝑌 × 𝑌)))
13		metdmdm 24257	. . . . . . 7 ⊢ (𝐷 ∈ (Met‘𝑋) → 𝑋 = dom dom 𝐷)
14		sseq12 3957	. . . . . . 7 ⊢ ((𝑌 = dom dom (𝐷 ↾ (𝑌 × 𝑌)) ∧ 𝑋 = dom dom 𝐷) → (𝑌 ⊆ 𝑋 ↔ dom dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom dom 𝐷))
15	12, 13, 14	syl2anr 597	. . . . . 6 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → (𝑌 ⊆ 𝑋 ↔ dom dom (𝐷 ↾ (𝑌 × 𝑌)) ⊆ dom dom 𝐷))
16	9, 15	mpbiri 258	. . . . 5 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝑌 ⊆ 𝑋)
17		flimcls 23906	. . . . 5 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝑌 ⊆ 𝑋) → (𝑥 ∈ ((cls‘𝐽)‘𝑌) ↔ ∃𝑓 ∈ (Fil‘𝑋)(𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓))))
18	5, 16, 17	syl2anc 584	. . . 4 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → (𝑥 ∈ ((cls‘𝐽)‘𝑌) ↔ ∃𝑓 ∈ (Fil‘𝑋)(𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓))))
19		simprrr 781	. . . . . 6 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑥 ∈ (𝐽 fLim 𝑓))
20	2	adantr 480	. . . . . . . 8 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝐷 ∈ (∞Met‘𝑋))
21	3	methaus 24441	. . . . . . . 8 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ Haus)
22		hausflimi 23901	. . . . . . . 8 ⊢ (𝐽 ∈ Haus → ∃*𝑥 𝑥 ∈ (𝐽 fLim 𝑓))
23	20, 21, 22	3syl 18	. . . . . . 7 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ∃*𝑥 𝑥 ∈ (𝐽 fLim 𝑓))
24	20, 4	syl 17	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝐽 ∈ (TopOn‘𝑋))
25		simprl 770	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑓 ∈ (Fil‘𝑋))
26		simprrl 780	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑌 ∈ 𝑓)
27		flimrest 23904	. . . . . . . . . . 11 ⊢ ((𝐽 ∈ (TopOn‘𝑋) ∧ 𝑓 ∈ (Fil‘𝑋) ∧ 𝑌 ∈ 𝑓) → ((𝐽 ↾t 𝑌) fLim (𝑓 ↾t 𝑌)) = ((𝐽 fLim 𝑓) ∩ 𝑌))
28	24, 25, 26, 27	syl3anc 1373	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ((𝐽 ↾t 𝑌) fLim (𝑓 ↾t 𝑌)) = ((𝐽 fLim 𝑓) ∩ 𝑌))
29	16	adantr 480	. . . . . . . . . . . 12 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑌 ⊆ 𝑋)
30		eqid 2731	. . . . . . . . . . . . 13 ⊢ (𝐷 ↾ (𝑌 × 𝑌)) = (𝐷 ↾ (𝑌 × 𝑌))
31		eqid 2731	. . . . . . . . . . . . 13 ⊢ (MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))) = (MetOpen‘(𝐷 ↾ (𝑌 × 𝑌)))
32	30, 3, 31	metrest 24445	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑌 ⊆ 𝑋) → (𝐽 ↾t 𝑌) = (MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))))
33	20, 29, 32	syl2anc 584	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → (𝐽 ↾t 𝑌) = (MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))))
34	33	oveq1d 7367	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ((𝐽 ↾t 𝑌) fLim (𝑓 ↾t 𝑌)) = ((MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))) fLim (𝑓 ↾t 𝑌)))
35	28, 34	eqtr3d 2768	. . . . . . . . 9 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ((𝐽 fLim 𝑓) ∩ 𝑌) = ((MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))) fLim (𝑓 ↾t 𝑌)))
36		simplr 768	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌))
37	3	flimcfil 25247	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑥 ∈ (𝐽 fLim 𝑓)) → 𝑓 ∈ (CauFil‘𝐷))
38	20, 19, 37	syl2anc 584	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑓 ∈ (CauFil‘𝐷))
39		cfilres 25229	. . . . . . . . . . . 12 ⊢ ((𝐷 ∈ (∞Met‘𝑋) ∧ 𝑓 ∈ (Fil‘𝑋) ∧ 𝑌 ∈ 𝑓) → (𝑓 ∈ (CauFil‘𝐷) ↔ (𝑓 ↾t 𝑌) ∈ (CauFil‘(𝐷 ↾ (𝑌 × 𝑌)))))
40	20, 25, 26, 39	syl3anc 1373	. . . . . . . . . . 11 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → (𝑓 ∈ (CauFil‘𝐷) ↔ (𝑓 ↾t 𝑌) ∈ (CauFil‘(𝐷 ↾ (𝑌 × 𝑌)))))
41	38, 40	mpbid 232	. . . . . . . . . 10 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → (𝑓 ↾t 𝑌) ∈ (CauFil‘(𝐷 ↾ (𝑌 × 𝑌))))
42	31	cmetcvg 25218	. . . . . . . . . 10 ⊢ (((𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌) ∧ (𝑓 ↾t 𝑌) ∈ (CauFil‘(𝐷 ↾ (𝑌 × 𝑌)))) → ((MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))) fLim (𝑓 ↾t 𝑌)) ≠ ∅)
43	36, 41, 42	syl2anc 584	. . . . . . . . 9 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ((MetOpen‘(𝐷 ↾ (𝑌 × 𝑌))) fLim (𝑓 ↾t 𝑌)) ≠ ∅)
44	35, 43	eqnetrd 2995	. . . . . . . 8 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ((𝐽 fLim 𝑓) ∩ 𝑌) ≠ ∅)
45		ndisj 4319	. . . . . . . 8 ⊢ (((𝐽 fLim 𝑓) ∩ 𝑌) ≠ ∅ ↔ ∃𝑥(𝑥 ∈ (𝐽 fLim 𝑓) ∧ 𝑥 ∈ 𝑌))
46	44, 45	sylib 218	. . . . . . 7 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → ∃𝑥(𝑥 ∈ (𝐽 fLim 𝑓) ∧ 𝑥 ∈ 𝑌))
47		mopick 2620	. . . . . . 7 ⊢ ((∃*𝑥 𝑥 ∈ (𝐽 fLim 𝑓) ∧ ∃𝑥(𝑥 ∈ (𝐽 fLim 𝑓) ∧ 𝑥 ∈ 𝑌)) → (𝑥 ∈ (𝐽 fLim 𝑓) → 𝑥 ∈ 𝑌))
48	23, 46, 47	syl2anc 584	. . . . . 6 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → (𝑥 ∈ (𝐽 fLim 𝑓) → 𝑥 ∈ 𝑌))
49	19, 48	mpd 15	. . . . 5 ⊢ (((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) ∧ (𝑓 ∈ (Fil‘𝑋) ∧ (𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)))) → 𝑥 ∈ 𝑌)
50	49	rexlimdvaa 3134	. . . 4 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → (∃𝑓 ∈ (Fil‘𝑋)(𝑌 ∈ 𝑓 ∧ 𝑥 ∈ (𝐽 fLim 𝑓)) → 𝑥 ∈ 𝑌))
51	18, 50	sylbid 240	. . 3 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → (𝑥 ∈ ((cls‘𝐽)‘𝑌) → 𝑥 ∈ 𝑌))
52	51	ssrdv 3935	. 2 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → ((cls‘𝐽)‘𝑌) ⊆ 𝑌)
53	3	mopntop 24361	. . . 4 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝐽 ∈ Top)
54	2, 53	syl 17	. . 3 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝐽 ∈ Top)
55	3	mopnuni 24362	. . . . 5 ⊢ (𝐷 ∈ (∞Met‘𝑋) → 𝑋 = ∪ 𝐽)
56	2, 55	syl 17	. . . 4 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝑋 = ∪ 𝐽)
57	16, 56	sseqtrd 3966	. . 3 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝑌 ⊆ ∪ 𝐽)
58		eqid 2731	. . . 4 ⊢ ∪ 𝐽 = ∪ 𝐽
59	58	iscld4 22986	. . 3 ⊢ ((𝐽 ∈ Top ∧ 𝑌 ⊆ ∪ 𝐽) → (𝑌 ∈ (Clsd‘𝐽) ↔ ((cls‘𝐽)‘𝑌) ⊆ 𝑌))
60	54, 57, 59	syl2anc 584	. 2 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → (𝑌 ∈ (Clsd‘𝐽) ↔ ((cls‘𝐽)‘𝑌) ⊆ 𝑌))
61	52, 60	mpbird 257	1 ⊢ ((𝐷 ∈ (Met‘𝑋) ∧ (𝐷 ↾ (𝑌 × 𝑌)) ∈ (CMet‘𝑌)) → 𝑌 ∈ (Clsd‘𝐽))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   = wceq 1541  ∃wex 1780   ∈ wcel 2111  ∃*wmo 2533   ≠ wne 2928  ∃wrex 3056   ∩ cin 3896   ⊆ wss 3897  ∅c0 4282  ∪ cuni 4858   × cxp 5617  dom cdm 5619   ↾ cres 5621  ‘cfv 6487  (class class class)co 7352   ↾_t crest 17330  ∞Metcxmet 21282  Metcmet 21283  MetOpencmopn 21287  Topctop 22814  TopOnctopon 22831  Clsdccld 22937  clsccl 22939  Hauscha 23229  Filcfil 23766   fLim cflim 23855  CauFilccfil 25185  CMetccmet 25187

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2113  ax-9 2121  ax-10 2144  ax-11 2160  ax-12 2180  ax-ext 2703  ax-rep 5219  ax-sep 5236  ax-nul 5246  ax-pow 5305  ax-pr 5372  ax-un 7674  ax-cnex 11068  ax-resscn 11069  ax-1cn 11070  ax-icn 11071  ax-addcl 11072  ax-addrcl 11073  ax-mulcl 11074  ax-mulrcl 11075  ax-mulcom 11076  ax-addass 11077  ax-mulass 11078  ax-distr 11079  ax-i2m1 11080  ax-1ne0 11081  ax-1rid 11082  ax-rnegex 11083  ax-rrecex 11084  ax-cnre 11085  ax-pre-lttri 11086  ax-pre-lttrn 11087  ax-pre-ltadd 11088  ax-pre-mulgt0 11089  ax-pre-sup 11090

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2535  df-eu 2564  df-clab 2710  df-cleq 2723  df-clel 2806  df-nfc 2881  df-ne 2929  df-nel 3033  df-ral 3048  df-rex 3057  df-rmo 3346  df-reu 3347  df-rab 3396  df-v 3438  df-sbc 3737  df-csb 3846  df-dif 3900  df-un 3902  df-in 3904  df-ss 3914  df-pss 3917  df-nul 4283  df-if 4475  df-pw 4551  df-sn 4576  df-pr 4578  df-op 4582  df-uni 4859  df-int 4898  df-iun 4943  df-iin 4944  df-br 5094  df-opab 5156  df-mpt 5175  df-tr 5201  df-id 5514  df-eprel 5519  df-po 5527  df-so 5528  df-fr 5572  df-we 5574  df-xp 5625  df-rel 5626  df-cnv 5627  df-co 5628  df-dm 5629  df-rn 5630  df-res 5631  df-ima 5632  df-pred 6254  df-ord 6315  df-on 6316  df-lim 6317  df-suc 6318  df-iota 6443  df-fun 6489  df-fn 6490  df-f 6491  df-f1 6492  df-fo 6493  df-f1o 6494  df-fv 6495  df-riota 7309  df-ov 7355  df-oprab 7356  df-mpo 7357  df-om 7803  df-1st 7927  df-2nd 7928  df-frecs 8217  df-wrecs 8248  df-recs 8297  df-rdg 8335  df-1o 8391  df-2o 8392  df-er 8628  df-map 8758  df-en 8876  df-dom 8877  df-sdom 8878  df-fin 8879  df-fi 9301  df-sup 9332  df-inf 9333  df-pnf 11154  df-mnf 11155  df-xr 11156  df-ltxr 11157  df-le 11158  df-sub 11352  df-neg 11353  df-div 11781  df-nn 12132  df-2 12194  df-n0 12388  df-z 12475  df-uz 12739  df-q 12853  df-rp 12897  df-xneg 13017  df-xadd 13018  df-xmul 13019  df-ico 13257  df-icc 13258  df-rest 17332  df-topgen 17353  df-psmet 21289  df-xmet 21290  df-met 21291  df-bl 21292  df-mopn 21293  df-fbas 21294  df-fg 21295  df-top 22815  df-topon 22832  df-bases 22867  df-cld 22940  df-ntr 22941  df-cls 22942  df-nei 23019  df-haus 23236  df-fil 23767  df-flim 23860  df-cfil 25188  df-cmet 25190

This theorem is referenced by:  cmetss  25249  cmssmscld  25283