tngtopn - Metamath Proof Explorer

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Theorem tngtopn 24166

Description: The topology generated by a normed structure. (Contributed by Mario Carneiro, 4-Oct-2015.)

**Hypotheses**
Ref	Expression
tngbas.t	⊢ 𝑇 = (𝐺 toNrmGrp 𝑁)
tngtset.2	⊢ 𝐷 = (dist‘𝑇)
tngtset.3	⊢ 𝐽 = (MetOpen‘𝐷)

**Assertion**
Ref	Expression
tngtopn	⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopOpen‘𝑇))

Proof of Theorem tngtopn Dummy variables 𝑥 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		tngbas.t	. . 3 ⊢ 𝑇 = (𝐺 toNrmGrp 𝑁)
2		tngtset.2	. . 3 ⊢ 𝐷 = (dist‘𝑇)
3		tngtset.3	. . 3 ⊢ 𝐽 = (MetOpen‘𝐷)
4	1, 2, 3	tngtset 24165	. 2 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopSet‘𝑇))
5		df-mopn 20939	. . . . . . . . 9 ⊢ MetOpen = (𝑥 ∈ ∪ ran ∞Met ↦ (topGen‘ran (ball‘𝑥)))
6	5	dmmptss 6240	. . . . . . . 8 ⊢ dom MetOpen ⊆ ∪ ran ∞Met
7	6	sseli 3978	. . . . . . 7 ⊢ (𝐷 ∈ dom MetOpen → 𝐷 ∈ ∪ ran ∞Met)
8		eqid 2732	. . . . . . . . . . . . . . . . . 18 ⊢ (-_g‘𝐺) = (-_g‘𝐺)
9	1, 8	tngds 24163	. . . . . . . . . . . . . . . . 17 ⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-_g‘𝐺)) = (dist‘𝑇))
10	9, 2	eqtr4di 2790	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-_g‘𝐺)) = 𝐷)
11	10	adantl 482	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝑁 ∘ (-_g‘𝐺)) = 𝐷)
12	11	dmeqd 5905	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom (𝑁 ∘ (-_g‘𝐺)) = dom 𝐷)
13		dmcoss 5970	. . . . . . . . . . . . . . 15 ⊢ dom (𝑁 ∘ (-_g‘𝐺)) ⊆ dom (-_g‘𝐺)
14		eqid 2732	. . . . . . . . . . . . . . . . 17 ⊢ (Base‘𝐺) = (Base‘𝐺)
15		eqid 2732	. . . . . . . . . . . . . . . . 17 ⊢ (+_g‘𝐺) = (+_g‘𝐺)
16		eqid 2732	. . . . . . . . . . . . . . . . 17 ⊢ (inv_g‘𝐺) = (inv_g‘𝐺)
17	14, 15, 16, 8	grpsubfval 18867	. . . . . . . . . . . . . . . 16 ⊢ (-_g‘𝐺) = (𝑥 ∈ (Base‘𝐺), 𝑦 ∈ (Base‘𝐺) ↦ (𝑥(+_g‘𝐺)((inv_g‘𝐺)‘𝑦)))
18		ovex 7441	. . . . . . . . . . . . . . . 16 ⊢ (𝑥(+_g‘𝐺)((inv_g‘𝐺)‘𝑦)) ∈ V
19	17, 18	dmmpo 8056	. . . . . . . . . . . . . . 15 ⊢ dom (-_g‘𝐺) = ((Base‘𝐺) × (Base‘𝐺))
20	13, 19	sseqtri 4018	. . . . . . . . . . . . . 14 ⊢ dom (𝑁 ∘ (-_g‘𝐺)) ⊆ ((Base‘𝐺) × (Base‘𝐺))
21	12, 20	eqsstrrdi 4037	. . . . . . . . . . . . 13 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺)))
22	21	adantr 481	. . . . . . . . . . . 12 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺)))
23		dmss 5902	. . . . . . . . . . . 12 ⊢ (dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺)) → dom dom 𝐷 ⊆ dom ((Base‘𝐺) × (Base‘𝐺)))
24	22, 23	syl 17	. . . . . . . . . . 11 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 ⊆ dom ((Base‘𝐺) × (Base‘𝐺)))
25		dmxpid 5929	. . . . . . . . . . 11 ⊢ dom ((Base‘𝐺) × (Base‘𝐺)) = (Base‘𝐺)
26	24, 25	sseqtrdi 4032	. . . . . . . . . 10 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 ⊆ (Base‘𝐺))
27		simpr 485	. . . . . . . . . . . 12 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → 𝐷 ∈ ∪ ran ∞Met)
28		xmetunirn 23842	. . . . . . . . . . . 12 ⊢ (𝐷 ∈ ∪ ran ∞Met ↔ 𝐷 ∈ (∞Met‘dom dom 𝐷))
29	27, 28	sylib 217	. . . . . . . . . . 11 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → 𝐷 ∈ (∞Met‘dom dom 𝐷))
30		eqid 2732	. . . . . . . . . . . 12 ⊢ (MetOpen‘𝐷) = (MetOpen‘𝐷)
31	30	mopnuni 23946	. . . . . . . . . . 11 ⊢ (𝐷 ∈ (∞Met‘dom dom 𝐷) → dom dom 𝐷 = ∪ (MetOpen‘𝐷))
32	29, 31	syl 17	. . . . . . . . . 10 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 = ∪ (MetOpen‘𝐷))
33	1, 14	tngbas 24150	. . . . . . . . . . 11 ⊢ (𝑁 ∈ 𝑊 → (Base‘𝐺) = (Base‘𝑇))
34	33	ad2antlr 725	. . . . . . . . . 10 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → (Base‘𝐺) = (Base‘𝑇))
35	26, 32, 34	3sstr3d 4028	. . . . . . . . 9 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → ∪ (MetOpen‘𝐷) ⊆ (Base‘𝑇))
36		sspwuni 5103	. . . . . . . . 9 ⊢ ((MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇) ↔ ∪ (MetOpen‘𝐷) ⊆ (Base‘𝑇))
37	35, 36	sylibr 233	. . . . . . . 8 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇))
38	37	ex 413	. . . . . . 7 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝐷 ∈ ∪ ran ∞Met → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇)))
39	7, 38	syl5 34	. . . . . 6 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇)))
40		ndmfv 6926	. . . . . . 7 ⊢ (¬ 𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) = ∅)
41		0ss 4396	. . . . . . 7 ⊢ ∅ ⊆ 𝒫 (Base‘𝑇)
42	40, 41	eqsstrdi 4036	. . . . . 6 ⊢ (¬ 𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇))
43	39, 42	pm2.61d1 180	. . . . 5 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (MetOpen‘𝐷) ⊆ 𝒫 (Base‘𝑇))
44	3, 43	eqsstrid 4030	. . . 4 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 ⊆ 𝒫 (Base‘𝑇))
45	4, 44	eqsstrrd 4021	. . 3 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (TopSet‘𝑇) ⊆ 𝒫 (Base‘𝑇))
46		eqid 2732	. . . 4 ⊢ (Base‘𝑇) = (Base‘𝑇)
47		eqid 2732	. . . 4 ⊢ (TopSet‘𝑇) = (TopSet‘𝑇)
48	46, 47	topnid 17380	. . 3 ⊢ ((TopSet‘𝑇) ⊆ 𝒫 (Base‘𝑇) → (TopSet‘𝑇) = (TopOpen‘𝑇))
49	45, 48	syl 17	. 2 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (TopSet‘𝑇) = (TopOpen‘𝑇))
50	4, 49	eqtrd 2772	1 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopOpen‘𝑇))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ⊆ wss 3948 ∅c0 4322 𝒫 cpw 4602 ∪ cuni 4908 × cxp 5674 dom cdm 5676 ran crn 5677 ∘ ccom 5680 ‘cfv 6543 (class class class)co 7408 Basecbs 17143 +_gcplusg 17196 TopSetcts 17202 distcds 17205 TopOpenctopn 17366 topGenctg 17382 inv_gcminusg 18819 -_gcsg 18820 ∞Metcxmet 20928 ballcbl 20930 MetOpencmopn 20933 toNrmGrp ctng 24086

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 7724 ax-cnex 11165 ax-resscn 11166 ax-1cn 11167 ax-icn 11168 ax-addcl 11169 ax-addrcl 11170 ax-mulcl 11171 ax-mulrcl 11172 ax-mulcom 11173 ax-addass 11174 ax-mulass 11175 ax-distr 11176 ax-i2m1 11177 ax-1ne0 11178 ax-1rid 11179 ax-rnegex 11180 ax-rrecex 11181 ax-cnre 11182 ax-pre-lttri 11183 ax-pre-lttrn 11184 ax-pre-ltadd 11185 ax-pre-mulgt0 11186 ax-pre-sup 11187

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-op 4635 df-uni 4909 df-iun 4999 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 7364 df-ov 7411 df-oprab 7412 df-mpo 7413 df-om 7855 df-1st 7974 df-2nd 7975 df-frecs 8265 df-wrecs 8296 df-recs 8370 df-rdg 8409 df-er 8702 df-map 8821 df-en 8939 df-dom 8940 df-sdom 8941 df-sup 9436 df-inf 9437 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11445 df-neg 11446 df-div 11871 df-nn 12212 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12472 df-z 12558 df-dec 12677 df-uz 12822 df-q 12932 df-rp 12974 df-xneg 13091 df-xadd 13092 df-xmul 13093 df-sets 17096 df-slot 17114 df-ndx 17126 df-base 17144 df-tset 17215 df-ds 17218 df-rest 17367 df-topn 17368 df-topgen 17388 df-sbg 18823 df-psmet 20935 df-xmet 20936 df-bl 20938 df-mopn 20939 df-top 22395 df-topon 22412 df-bases 22448 df-tng 24092

This theorem is referenced by: tngngp2 24168 tcphtopn 24742

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