| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > toponunii | Structured version Visualization version GIF version | ||
| Description: The base set of a topology on a given base set. (Contributed by Mario Carneiro, 13-Aug-2015.) |
| Ref | Expression |
|---|---|
| topontopi.1 | ⊢ 𝐽 ∈ (TopOn‘𝐵) |
| Ref | Expression |
|---|---|
| toponunii | ⊢ 𝐵 = ∪ 𝐽 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | topontopi.1 | . 2 ⊢ 𝐽 ∈ (TopOn‘𝐵) | |
| 2 | toponuni 23140 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐵) → 𝐵 = ∪ 𝐽) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐵 = ∪ 𝐽 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 ∪ cuni 4867 ‘cfv 6533 TopOnctopon 23136 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-iota 6489 df-fun 6535 df-fv 6541 df-topon 23137 |
| This theorem is used by: toponrestid 23147 indisuni 23229 indistpsx 23236 letopuni 23433 dfac14 23845 unicntop 25012 sszcld 25045 reperflem 25046 cnperf 25048 iiuni 25110 abscncfALT 25153 cncfcnvcn 25154 cnheiborlem 25183 cnheibor 25184 cnllycmp 25185 bndth 25187 mbfimaopnlem 25884 limcnlp 26106 limcflflem 26108 limcflf 26109 limcmo 26110 limcres 26114 limccnp 26119 limccnp2 26120 perfdvf 26131 recnperf 26133 dvcnp2 26148 dvaddbr 26166 dvmulbr 26167 dvcobr 26174 dvcnvlem 26204 lhop1lem 26241 taylthlem2 26611 abelth 26678 cxpcn3 26986 lgamucov 27275 ftalem3 27312 blocni 31287 ipasslem8 31319 ubthlem1 31352 tpr2uni 34416 tpr2rico 34423 mndpluscn 34437 raddcn 34440 cvxsconn 35823 cvmlift2lem11 35893 ivthALT 36955 poimir 38403 broucube 38404 ftc1cnnc 38442 dvasin 38454 dvacos 38455 dvreasin 38456 dvreacos 38457 areacirclem2 38459 reheibor 38590 islptre 46450 dirkercncf 46936 fourierdlem62 46997 |
| Copyright terms: Public domain | W3C validator |