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| Mirrors > Home > MPE Home > Th. List > imastopn | Structured version Visualization version GIF version | ||
| Description: The topology of an image structure. (Contributed by Mario Carneiro, 27-Aug-2015.) |
| Ref | Expression |
|---|---|
| imastps.u | ⊢ (𝜑 → 𝑈 = (𝐹 “s 𝑅)) |
| imastps.v | ⊢ (𝜑 → 𝑉 = (Base‘𝑅)) |
| imastps.f | ⊢ (𝜑 → 𝐹:𝑉⟶onto𝐵) |
| imastopn.r | ⊢ (𝜑 → 𝑅 ∈ 𝑊) |
| imastopn.j | ⊢ 𝐽 = (TopOpen‘𝑅) |
| imastopn.o | ⊢ 𝑂 = (TopOpen‘𝑈) |
| Ref | Expression |
|---|---|
| imastopn | ⊢ (𝜑 → 𝑂 = (𝐽 qTop 𝐹)) |
| 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⟶onto𝐵) | |
| 4 | imastopn.r | . . . . . . 7 ⊢ (𝜑 → 𝑅 ∈ 𝑊) | |
| 5 | imastopn.j | . . . . . . 7 ⊢ 𝐽 = (TopOpen‘𝑅) | |
| 6 | eqid 2763 | . . . . . . 7 ⊢ (TopSet‘𝑈) = (TopSet‘𝑈) | |
| 7 | 1, 2, 3, 4, 5, 6 | imastset 17720 | . . . . . 6 ⊢ (𝜑 → (TopSet‘𝑈) = (𝐽 qTop 𝐹)) |
| 8 | 5 | fvexi 6919 | . . . . . . 7 ⊢ 𝐽 ∈ V |
| 9 | fofn 6817 | . . . . . . . . 9 ⊢ (𝐹:𝑉⟶onto𝐵 → 𝐹 Fn 𝑉) | |
| 10 | 3, 9 | syl 18 | . . . . . . . 8 ⊢ (𝜑 → 𝐹 Fn 𝑉) |
| 11 | fvex 6918 | . . . . . . . . 9 ⊢ (Base‘𝑅) ∈ V | |
| 12 | 2, 11 | eqeltrdi 2872 | . . . . . . . 8 ⊢ (𝜑 → 𝑉 ∈ V) |
| 13 | fnex 7243 | . . . . . . . 8 ⊢ ((𝐹 Fn 𝑉 ∧ 𝑉 ∈ V) → 𝐹 ∈ V) | |
| 14 | 10, 12, 13 | syl2anc 596 | . . . . . . 7 ⊢ (𝜑 → 𝐹 ∈ V) |
| 15 | eqid 2763 | . . . . . . . 8 ⊢ ∪ 𝐽 = ∪ 𝐽 | |
| 16 | 15 | qtopval 24041 | . . . . . . 7 ⊢ ((𝐽 ∈ V ∧ 𝐹 ∈ V) → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽}) |
| 17 | 8, 14, 16 | sylancr 599 | . . . . . 6 ⊢ (𝜑 → (𝐽 qTop 𝐹) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽}) |
| 18 | 7, 17 | eqtrd 2798 | . . . . 5 ⊢ (𝜑 → (TopSet‘𝑈) = {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽}) |
| 19 | ssrab2 4008 | . . . . . 6 ⊢ {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (𝐹 “ ∪ 𝐽) | |
| 20 | imassrn 6209 | . . . . . . . 8 ⊢ (𝐹 “ ∪ 𝐽) ⊆ ran 𝐹 | |
| 21 | forn 6818 | . . . . . . . . . 10 ⊢ (𝐹:𝑉⟶onto𝐵 → ran 𝐹 = 𝐵) | |
| 22 | 3, 21 | syl 18 | . . . . . . . . 9 ⊢ (𝜑 → ran 𝐹 = 𝐵) |
| 23 | 1, 2, 3, 4 | imasbas 17710 | . . . . . . . . 9 ⊢ (𝜑 → 𝐵 = (Base‘𝑈)) |
| 24 | 22, 23 | eqtrd 2798 | . . . . . . . 8 ⊢ (𝜑 → ran 𝐹 = (Base‘𝑈)) |
| 25 | 20, 24 | sseqtrid 3955 | . . . . . . 7 ⊢ (𝜑 → (𝐹 “ ∪ 𝐽) ⊆ (Base‘𝑈)) |
| 26 | 25 | sspwd 4573 | . . . . . 6 ⊢ (𝜑 → 𝒫 (𝐹 “ ∪ 𝐽) ⊆ 𝒫 (Base‘𝑈)) |
| 27 | 19, 26 | sstrid 3924 | . . . . 5 ⊢ (𝜑 → {𝑥 ∈ 𝒫 (𝐹 “ ∪ 𝐽) ∣ ((◡𝐹 “ 𝑥) ∩ ∪ 𝐽) ∈ 𝐽} ⊆ 𝒫 (Base‘𝑈)) |
| 28 | 18, 27 | eqsstrd 3947 | . . . 4 ⊢ (𝜑 → (TopSet‘𝑈) ⊆ 𝒫 (Base‘𝑈)) |
| 29 | eqid 2763 | . . . . 5 ⊢ (Base‘𝑈) = (Base‘𝑈) | |
| 30 | 29, 6 | topnid 17632 | . . . 4 ⊢ ((TopSet‘𝑈) ⊆ 𝒫 (Base‘𝑈) → (TopSet‘𝑈) = (TopOpen‘𝑈)) |
| 31 | 28, 30 | syl 18 | . . 3 ⊢ (𝜑 → (TopSet‘𝑈) = (TopOpen‘𝑈)) |
| 32 | imastopn.o | . . 3 ⊢ 𝑂 = (TopOpen‘𝑈) | |
| 33 | 31, 32 | eqtr4di 2816 | . 2 ⊢ (𝜑 → (TopSet‘𝑈) = 𝑂) |
| 34 | 33, 7 | eqtr3d 2800 | 1 ⊢ (𝜑 → 𝑂 = (𝐽 qTop 𝐹)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2147 {crab 3416 Vcvv 3454 ⊆ wss 3900 ∩ cin 4092 𝒫 cpw 4560 ∪ cuni 4870 ◡ccnv 5654 ran crn 5656 “ cima 5658 Fn wfn 6550 ⟶ontowfo 6553 ‘cfv 6555 (class class class)co 7440 Basecbs 17413 TopSetcts 17460 TopOpenctopn 17618 qTop cqtop 17701 “s cimas 17702 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7772 ax-cnex 11280 ax-resscn 11281 ax-1cn 11282 ax-icn 11283 ax-addcl 11284 ax-addrcl 11285 ax-mulcl 11286 ax-mulrcl 11287 ax-mulcom 11288 ax-addass 11289 ax-mulass 11290 ax-distr 11291 ax-i2m1 11292 ax-1ne0 11293 ax-1rid 11294 ax-rnegex 11295 ax-rrecex 11296 ax-cnre 11297 ax-pre-lttri 11298 ax-pre-lttrn 11299 ax-pre-ltadd 11300 ax-pre-mulgt0 11301 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6319 df-ord 6380 df-on 6381 df-lim 6382 df-suc 6383 df-iota 6509 df-fun 6557 df-fn 6558 df-f 6559 df-f1 6560 df-fo 6561 df-f1o 6562 df-fv 6563 df-riota 7397 df-ov 7443 df-oprab 7444 df-mpo 7445 df-om 7899 df-1st 8022 df-2nd 8023 df-frecs 8324 df-wrecs 8355 df-recs 8404 df-rdg 8443 df-1o 8501 df-er 8742 df-en 8999 df-dom 9000 df-sdom 9001 df-fin 9002 df-sup 9458 df-inf 9459 df-pnf 11369 df-mnf 11370 df-xr 11371 df-ltxr 11372 df-le 11373 df-sub 11567 df-neg 11568 df-nn 12360 df-2 12429 df-3 12430 df-4 12431 df-5 12432 df-6 12433 df-7 12434 df-8 12435 df-9 12436 df-n0 12631 df-z 12718 df-dec 12839 df-uz 12990 df-fz 13664 df-struct 17351 df-slot 17386 df-ndx 17398 df-base 17414 df-plusg 17467 df-mulr 17468 df-sca 17470 df-vsca 17471 df-ip 17472 df-tset 17473 df-ple 17474 df-ds 17476 df-rest 17619 df-topn 17620 df-qtop 17705 df-imas 17706 |
| This theorem is used by: imastps 24067 xpstopnlem2 24157 qustgpopn 24466 qustgplem 24467 qustgphaus 24469 imasf1oxms 24835 |
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