tngtopn - Metamath Proof Explorer

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Theorem tngtopn 24167

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 24166	. 2 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopSet‘𝑇))
5		df-mopn 20940	. . . . . . . . 9 ⊢ MetOpen = (𝑥 ∈ ∪ ran ∞Met ↦ (topGen‘ran (ball‘𝑥)))
6	5	dmmptss 6241	. . . . . . . 8 ⊢ dom MetOpen ⊆ ∪ ran ∞Met
7	6	sseli 3979	. . . . . . 7 ⊢ (𝐷 ∈ dom MetOpen → 𝐷 ∈ ∪ ran ∞Met)
8		eqid 2733	. . . . . . . . . . . . . . . . . 18 ⊢ (-_g‘𝐺) = (-_g‘𝐺)
9	1, 8	tngds 24164	. . . . . . . . . . . . . . . . 17 ⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-_g‘𝐺)) = (dist‘𝑇))
10	9, 2	eqtr4di 2791	. . . . . . . . . . . . . . . 16 ⊢ (𝑁 ∈ 𝑊 → (𝑁 ∘ (-_g‘𝐺)) = 𝐷)
11	10	adantl 483	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (𝑁 ∘ (-_g‘𝐺)) = 𝐷)
12	11	dmeqd 5906	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom (𝑁 ∘ (-_g‘𝐺)) = dom 𝐷)
13		dmcoss 5971	. . . . . . . . . . . . . . 15 ⊢ dom (𝑁 ∘ (-_g‘𝐺)) ⊆ dom (-_g‘𝐺)
14		eqid 2733	. . . . . . . . . . . . . . . . 17 ⊢ (Base‘𝐺) = (Base‘𝐺)
15		eqid 2733	. . . . . . . . . . . . . . . . 17 ⊢ (+_g‘𝐺) = (+_g‘𝐺)
16		eqid 2733	. . . . . . . . . . . . . . . . 17 ⊢ (inv_g‘𝐺) = (inv_g‘𝐺)
17	14, 15, 16, 8	grpsubfval 18868	. . . . . . . . . . . . . . . 16 ⊢ (-_g‘𝐺) = (𝑥 ∈ (Base‘𝐺), 𝑦 ∈ (Base‘𝐺) ↦ (𝑥(+_g‘𝐺)((inv_g‘𝐺)‘𝑦)))
18		ovex 7442	. . . . . . . . . . . . . . . 16 ⊢ (𝑥(+_g‘𝐺)((inv_g‘𝐺)‘𝑦)) ∈ V
19	17, 18	dmmpo 8057	. . . . . . . . . . . . . . 15 ⊢ dom (-_g‘𝐺) = ((Base‘𝐺) × (Base‘𝐺))
20	13, 19	sseqtri 4019	. . . . . . . . . . . . . 14 ⊢ dom (𝑁 ∘ (-_g‘𝐺)) ⊆ ((Base‘𝐺) × (Base‘𝐺))
21	12, 20	eqsstrrdi 4038	. . . . . . . . . . . . 13 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺)))
22	21	adantr 482	. . . . . . . . . . . 12 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom 𝐷 ⊆ ((Base‘𝐺) × (Base‘𝐺)))
23		dmss 5903	. . . . . . . . . . . 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 5930	. . . . . . . . . . 11 ⊢ dom ((Base‘𝐺) × (Base‘𝐺)) = (Base‘𝐺)
26	24, 25	sseqtrdi 4033	. . . . . . . . . 10 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → dom dom 𝐷 ⊆ (Base‘𝐺))
27		simpr 486	. . . . . . . . . . . 12 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → 𝐷 ∈ ∪ ran ∞Met)
28		xmetunirn 23843	. . . . . . . . . . . 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 2733	. . . . . . . . . . . 12 ⊢ (MetOpen‘𝐷) = (MetOpen‘𝐷)
31	30	mopnuni 23947	. . . . . . . . . . 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 24151	. . . . . . . . . . 11 ⊢ (𝑁 ∈ 𝑊 → (Base‘𝐺) = (Base‘𝑇))
34	33	ad2antlr 726	. . . . . . . . . 10 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → (Base‘𝐺) = (Base‘𝑇))
35	26, 32, 34	3sstr3d 4029	. . . . . . . . 9 ⊢ (((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) ∧ 𝐷 ∈ ∪ ran ∞Met) → ∪ (MetOpen‘𝐷) ⊆ (Base‘𝑇))
36		sspwuni 5104	. . . . . . . . 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 414	. . . . . . 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 6927	. . . . . . 7 ⊢ (¬ 𝐷 ∈ dom MetOpen → (MetOpen‘𝐷) = ∅)
41		0ss 4397	. . . . . . 7 ⊢ ∅ ⊆ 𝒫 (Base‘𝑇)
42	40, 41	eqsstrdi 4037	. . . . . 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 4031	. . . 4 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 ⊆ 𝒫 (Base‘𝑇))
45	4, 44	eqsstrrd 4022	. . 3 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → (TopSet‘𝑇) ⊆ 𝒫 (Base‘𝑇))
46		eqid 2733	. . . 4 ⊢ (Base‘𝑇) = (Base‘𝑇)
47		eqid 2733	. . . 4 ⊢ (TopSet‘𝑇) = (TopSet‘𝑇)
48	46, 47	topnid 17381	. . 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 2773	1 ⊢ ((𝐺 ∈ 𝑉 ∧ 𝑁 ∈ 𝑊) → 𝐽 = (TopOpen‘𝑇))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 397 = wceq 1542 ∈ wcel 2107 ⊆ wss 3949 ∅c0 4323 𝒫 cpw 4603 ∪ cuni 4909 × cxp 5675 dom cdm 5677 ran crn 5678 ∘ ccom 5681 ‘cfv 6544 (class class class)co 7409 Basecbs 17144 +_gcplusg 17197 TopSetcts 17203 distcds 17206 TopOpenctopn 17367 topGenctg 17383 inv_gcminusg 18820 -_gcsg 18821 ∞Metcxmet 20929 ballcbl 20931 MetOpencmopn 20934 toNrmGrp ctng 24087

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

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-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-frecs 8266 df-wrecs 8297 df-recs 8371 df-rdg 8410 df-er 8703 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 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-sets 17097 df-slot 17115 df-ndx 17127 df-base 17145 df-tset 17216 df-ds 17219 df-rest 17368 df-topn 17369 df-topgen 17389 df-sbg 18824 df-psmet 20936 df-xmet 20937 df-bl 20939 df-mopn 20940 df-top 22396 df-topon 22413 df-bases 22449 df-tng 24093

This theorem is referenced by: tngngp2 24169 tcphtopn 24743

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