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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 22858 | . 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 4863 ‘cfv 6492 TopOnctopon 22854 |
| 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 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-op 4587 df-uni 4864 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-iota 6448 df-fun 6494 df-fv 6500 df-topon 22855 |
| This theorem is referenced by: toponrestid 22865 indisuni 22947 indistpsx 22954 letopuni 23151 dfac14 23562 unicntop 24729 sszcld 24762 reperflem 24763 cnperf 24765 iiuni 24830 abscncfALT 24874 cncfcnvcn 24875 cnheiborlem 24909 cnheibor 24910 cnllycmp 24911 bndth 24913 mbfimaopnlem 25612 limcnlp 25835 limcflflem 25837 limcflf 25838 limcmo 25839 limcres 25843 limccnp 25848 limccnp2 25849 perfdvf 25860 recnperf 25862 dvcnp2 25877 dvcnp2OLD 25878 dvaddbr 25896 dvmulbr 25897 dvmulbrOLD 25898 dvcobr 25905 dvcobrOLD 25906 dvcnvlem 25936 lhop1lem 25974 taylthlem2 26338 taylthlem2OLD 26339 abelth 26407 cxpcn3 26714 lgamucov 27004 ftalem3 27041 blocni 30880 ipasslem8 30912 ubthlem1 30945 tpr2uni 34062 tpr2rico 34069 mndpluscn 34083 raddcn 34086 cvxsconn 35437 cvmlift2lem11 35507 ivthALT 36529 poimir 37854 broucube 37855 ftc1cnnc 37893 dvasin 37905 dvacos 37906 dvreasin 37907 dvreacos 37908 areacirclem2 37910 reheibor 38040 islptre 45865 dirkercncf 46351 fourierdlem62 46412 |
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