imastopn - Metamath Proof Explorer

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Theorem imastopn 23640

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 2729	. . . . . . 7 ⊢ (TopSet‘𝑈) = (TopSet‘𝑈)
7	1, 2, 3, 4, 5, 6	imastset 17461	. . . . . 6 ⊢ (𝜑 → (TopSet‘𝑈) = (𝐽 qTop 𝐹))
8	5	fvexi 6854	. . . . . . 7 ⊢ 𝐽 ∈ V
9		fofn 6756	. . . . . . . . 9 ⊢ (𝐹:𝑉–onto→𝐵 → 𝐹 Fn 𝑉)
10	3, 9	syl 17	. . . . . . . 8 ⊢ (𝜑 → 𝐹 Fn 𝑉)
11		fvex 6853	. . . . . . . . 9 ⊢ (Base‘𝑅) ∈ V
12	2, 11	eqeltrdi 2836	. . . . . . . 8 ⊢ (𝜑 → 𝑉 ∈ V)
13		fnex 7173	. . . . . . . 8 ⊢ ((𝐹 Fn 𝑉 ∧ 𝑉 ∈ V) → 𝐹 ∈ V)
14	10, 12, 13	syl2anc 584	. . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ V)
15		eqid 2729	. . . . . . . 8 ⊢ ∪ 𝐽 = ∪ 𝐽
16	15	qtopval 23615	. . . . . . 7 ⊢ ((𝐽 ∈ V ∧ 𝐹 ∈ V) → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
17	8, 14, 16	sylancr 587	. . . . . 6 ⊢ (𝜑 → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
18	7, 17	eqtrd 2764	. . . . 5 ⊢ (𝜑 → (TopSet‘𝑈) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽})
19		ssrab2 4039	. . . . . 6 ⊢ {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (𝐹 “ ∪ 𝐽)
20		imassrn 6031	. . . . . . . 8 ⊢ (𝐹 “ ∪ 𝐽) ⊆ ran 𝐹
21		forn 6757	. . . . . . . . . 10 ⊢ (𝐹:𝑉–onto→𝐵 → ran 𝐹 = 𝐵)
22	3, 21	syl 17	. . . . . . . . 9 ⊢ (𝜑 → ran 𝐹 = 𝐵)
23	1, 2, 3, 4	imasbas 17451	. . . . . . . . 9 ⊢ (𝜑 → 𝐵 = (Base‘𝑈))
24	22, 23	eqtrd 2764	. . . . . . . 8 ⊢ (𝜑 → ran 𝐹 = (Base‘𝑈))
25	20, 24	sseqtrid 3986	. . . . . . 7 ⊢ (𝜑 → (𝐹 “ ∪ 𝐽) ⊆ (Base‘𝑈))
26	25	sspwd 4572	. . . . . 6 ⊢ (𝜑 → 𝒫 (𝐹 “ ∪ 𝐽) ⊆ 𝒫 (Base‘𝑈))
27	19, 26	sstrid 3955	. . . . 5 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((^◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (Base‘𝑈))
28	18, 27	eqsstrd 3978	. . . 4 ⊢ (𝜑 → (TopSet‘𝑈) ⊆ 𝒫 (Base‘𝑈))
29		eqid 2729	. . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈)
30	29, 6	topnid 17374	. . . 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 2782	. 2 ⊢ (𝜑 → (TopSet‘𝑈) = 𝑂)
34	33, 7	eqtr3d 2766	1 ⊢ (𝜑 → 𝑂 = (𝐽 qTop 𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 {crab 3402 Vcvv 3444 ∩ cin 3910 ⊆ wss 3911 𝒫 cpw 4559 ∪ cuni 4867 ^◡ccnv 5630 ran crn 5632 “ cima 5634 Fn wfn 6494 –onto→wfo 6497 ‘cfv 6499 (class class class)co 7369 Basecbs 17155 TopSetcts 17202 TopOpenctopn 17360 qTop cqtop 17442 “_s cimas 17443

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-er 8648 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-sup 9369 df-inf 9370 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12419 df-z 12506 df-dec 12626 df-uz 12770 df-fz 13445 df-struct 17093 df-slot 17128 df-ndx 17140 df-base 17156 df-plusg 17209 df-mulr 17210 df-sca 17212 df-vsca 17213 df-ip 17214 df-tset 17215 df-ple 17216 df-ds 17218 df-rest 17361 df-topn 17362 df-qtop 17446 df-imas 17447

This theorem is referenced by: imastps 23641 xpstopnlem2 23731 qustgpopn 24040 qustgplem 24041 qustgphaus 24043 imasf1oxms 24410

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