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| 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 22856 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐵) → 𝐵 = ∪ 𝐽) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐵 = ∪ 𝐽 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2113 ∪ cuni 4861 ‘cfv 6490 TopOnctopon 22852 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-iota 6446 df-fun 6492 df-fv 6498 df-topon 22853 |
| This theorem is referenced by: toponrestid 22863 indisuni 22945 indistpsx 22952 letopuni 23149 dfac14 23560 unicntop 24727 sszcld 24760 reperflem 24761 cnperf 24763 iiuni 24828 abscncfALT 24872 cncfcnvcn 24873 cnheiborlem 24907 cnheibor 24908 cnllycmp 24909 bndth 24911 mbfimaopnlem 25610 limcnlp 25833 limcflflem 25835 limcflf 25836 limcmo 25837 limcres 25841 limccnp 25846 limccnp2 25847 perfdvf 25858 recnperf 25860 dvcnp2 25875 dvcnp2OLD 25876 dvaddbr 25894 dvmulbr 25895 dvmulbrOLD 25896 dvcobr 25903 dvcobrOLD 25904 dvcnvlem 25934 lhop1lem 25972 taylthlem2 26336 taylthlem2OLD 26337 abelth 26405 cxpcn3 26712 lgamucov 27002 ftalem3 27039 blocni 30829 ipasslem8 30861 ubthlem1 30894 tpr2uni 34011 tpr2rico 34018 mndpluscn 34032 raddcn 34035 cvxsconn 35386 cvmlift2lem11 35456 ivthALT 36478 poimir 37793 broucube 37794 ftc1cnnc 37832 dvasin 37844 dvacos 37845 dvreasin 37846 dvreacos 37847 areacirclem2 37849 reheibor 37979 islptre 45807 dirkercncf 46293 fourierdlem62 46354 |
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