imastopn - Metamath Proof Explorer

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Theorem imastopn 22617

Description: The topology of an image structure. (Contributed by Mario Carneiro, 27-Aug-2015.)

**Hypotheses**
Ref	Expression
imastps.u	⊢ (𝜑 → 𝑈 = (𝐹 “_s 𝑅))
imastps.v	⊢ (𝜑 → 𝑉 = (Base‘𝑅))
imastps.f	⊢ (𝜑 → 𝐹:𝑉–onto→𝐵)
imastopn.r	⊢ (𝜑 → 𝑅 ∈ 𝑊)
imastopn.j	⊢ 𝐽 = (TopOpen‘𝑅)
imastopn.o	⊢ 𝑂 = (TopOpen‘𝑈)

**Assertion**
Ref	Expression
imastopn	⊢ (𝜑 → 𝑂 = (𝐽 qTop 𝐹))

Proof of Theorem imastopn Dummy variable 𝑥 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		imastps.u	. . . . . . 7 ⊢ (𝜑 → 𝑈 = (𝐹 “_s 𝑅))
2		imastps.v	. . . . . . 7 ⊢ (𝜑 → 𝑉 = (Base‘𝑅))
3		imastps.f	. . . . . . 7 ⊢ (𝜑 → 𝐹:𝑉–onto→𝐵)
4		imastopn.r	. . . . . . 7 ⊢ (𝜑 → 𝑅 ∈ 𝑊)
5		imastopn.j	. . . . . . 7 ⊢ 𝐽 = (TopOpen‘𝑅)
6		eqid 2737	. . . . . . 7 ⊢ (TopSet‘𝑈) = (TopSet‘𝑈)
7	1, 2, 3, 4, 5, 6	imastset 17027	. . . . . 6 ⊢ (𝜑 → (TopSet‘𝑈) = (𝐽 qTop 𝐹))
8	5	fvexi 6731	. . . . . . 7 ⊢ 𝐽 ∈ V
9		fofn 6635	. . . . . . . . 9 ⊢ (𝐹:𝑉–onto→𝐵 → 𝐹 Fn 𝑉)
10	3, 9	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐹 Fn 𝑉)
11		fvex 6730	. . . . . . . . 9 ⊢ (Base‘𝑅) ∈ V
12	2, 11	eqeltrdi 2846	. . . . . . . 8 ⊢ (𝜑 → 𝑉 ∈ V)
13		fnex 7033	. . . . . . . 8 ⊢ ((𝐹 Fn 𝑉 ∧ 𝑉 ∈ V) → 𝐹 ∈ V)
14	10, 12, 13	syl2anc 587	. . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ V)
15		eqid 2737	. . . . . . . 8 ⊢ ∪ 𝐽 = ∪ 𝐽
16	15	qtopval 22592	. . . . . . 7 ⊢ ((𝐽 ∈ V ∧ 𝐹 ∈ V) → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
17	8, 14, 16	sylancr 590	. . . . . 6 ⊢ (𝜑 → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
18	7, 17	eqtrd 2777	. . . . 5 ⊢ (𝜑 → (TopSet‘𝑈) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
19		ssrab2 3993	. . . . . 6 ⊢ {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (𝐹 “ ∪ 𝐽)
20		imassrn 5940	. . . . . . . 8 ⊢ (𝐹 “ ∪ 𝐽) ⊆ ran 𝐹
21		forn 6636	. . . . . . . . . 10 ⊢ (𝐹:𝑉–onto→𝐵 → ran 𝐹 = 𝐵)
22	3, 21	syl 17	. . . . . . . . 9 ⊢ (𝜑 → ran 𝐹 = 𝐵)
23	1, 2, 3, 4	imasbas 17017	. . . . . . . . 9 ⊢ (𝜑 → 𝐵 = (Base‘𝑈))
24	22, 23	eqtrd 2777	. . . . . . . 8 ⊢ (𝜑 → ran 𝐹 = (Base‘𝑈))
25	20, 24	sseqtrid 3953	. . . . . . 7 ⊢ (𝜑 → (𝐹 “ ∪ 𝐽) ⊆ (Base‘𝑈))
26	25	sspwd 4528	. . . . . 6 ⊢ (𝜑 → 𝒫 (𝐹 “ ∪ 𝐽) ⊆ 𝒫 (Base‘𝑈))
27	19, 26	sstrid 3912	. . . . 5 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (Base‘𝑈))
28	18, 27	eqsstrd 3939	. . . 4 ⊢ (𝜑 → (TopSet‘𝑈) ⊆ 𝒫 (Base‘𝑈))
29		eqid 2737	. . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈)
30	29, 6	topnid 16940	. . . 4 ⊢ ((TopSet‘𝑈) ⊆ 𝒫 (Base‘𝑈) → (TopSet‘𝑈) = (TopOpen‘𝑈))
31	28, 30	syl 17	. . 3 ⊢ (𝜑 → (TopSet‘𝑈) = (TopOpen‘𝑈))
32		imastopn.o	. . 3 ⊢ 𝑂 = (TopOpen‘𝑈)
33	31, 32	eqtr4di 2796	. 2 ⊢ (𝜑 → (TopSet‘𝑈) = 𝑂)
34	33, 7	eqtr3d 2779	1 ⊢ (𝜑 → 𝑂 = (𝐽 qTop 𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1543 ∈ wcel 2110 {crab 3065 Vcvv 3408 ∩ cin 3865 ⊆ wss 3866 𝒫 cpw 4513 ∪ cuni 4819 ^◡ccnv 5550 ran crn 5552 “ cima 5554 Fn wfn 6375 –onto→wfo 6378 ‘cfv 6380 (class class class)co 7213 Basecbs 16760 TopSetcts 16808 TopOpenctopn 16926 qTop cqtop 17008 “_s cimas 17009

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2016 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2708 ax-rep 5179 ax-sep 5192 ax-nul 5199 ax-pow 5258 ax-pr 5322 ax-un 7523 ax-cnex 10785 ax-resscn 10786 ax-1cn 10787 ax-icn 10788 ax-addcl 10789 ax-addrcl 10790 ax-mulcl 10791 ax-mulrcl 10792 ax-mulcom 10793 ax-addass 10794 ax-mulass 10795 ax-distr 10796 ax-i2m1 10797 ax-1ne0 10798 ax-1rid 10799 ax-rnegex 10800 ax-rrecex 10801 ax-cnre 10802 ax-pre-lttri 10803 ax-pre-lttrn 10804 ax-pre-ltadd 10805 ax-pre-mulgt0 10806

This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2071 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3066 df-rex 3067 df-reu 3068 df-rab 3070 df-v 3410 df-sbc 3695 df-csb 3812 df-dif 3869 df-un 3871 df-in 3873 df-ss 3883 df-pss 3885 df-nul 4238 df-if 4440 df-pw 4515 df-sn 4542 df-pr 4544 df-tp 4546 df-op 4548 df-uni 4820 df-iun 4906 df-br 5054 df-opab 5116 df-mpt 5136 df-tr 5162 df-id 5455 df-eprel 5460 df-po 5468 df-so 5469 df-fr 5509 df-we 5511 df-xp 5557 df-rel 5558 df-cnv 5559 df-co 5560 df-dm 5561 df-rn 5562 df-res 5563 df-ima 5564 df-pred 6160 df-ord 6216 df-on 6217 df-lim 6218 df-suc 6219 df-iota 6338 df-fun 6382 df-fn 6383 df-f 6384 df-f1 6385 df-fo 6386 df-f1o 6387 df-fv 6388 df-riota 7170 df-ov 7216 df-oprab 7217 df-mpo 7218 df-om 7645 df-1st 7761 df-2nd 7762 df-wrecs 8047 df-recs 8108 df-rdg 8146 df-1o 8202 df-er 8391 df-en 8627 df-dom 8628 df-sdom 8629 df-fin 8630 df-sup 9058 df-inf 9059 df-pnf 10869 df-mnf 10870 df-xr 10871 df-ltxr 10872 df-le 10873 df-sub 11064 df-neg 11065 df-nn 11831 df-2 11893 df-3 11894 df-4 11895 df-5 11896 df-6 11897 df-7 11898 df-8 11899 df-9 11900 df-n0 12091 df-z 12177 df-dec 12294 df-uz 12439 df-fz 13096 df-struct 16700 df-slot 16735 df-ndx 16745 df-base 16761 df-plusg 16815 df-mulr 16816 df-sca 16818 df-vsca 16819 df-ip 16820 df-tset 16821 df-ple 16822 df-ds 16824 df-rest 16927 df-topn 16928 df-qtop 17012 df-imas 17013

This theorem is referenced by: imastps 22618 xpstopnlem2 22708 qustgpopn 23017 qustgplem 23018 qustgphaus 23020 imasf1oxms 23387

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