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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 22870 | . 2 ⊢ (𝐽 ∈ (TopOn‘𝐵) → 𝐵 = ∪ 𝐽) | |
| 3 | 1, 2 | ax-mp 5 | 1 ⊢ 𝐵 = ∪ 𝐽 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 ∪ cuni 4865 ‘cfv 6500 TopOnctopon 22866 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-iota 6456 df-fun 6502 df-fv 6508 df-topon 22867 |
| This theorem is referenced by: toponrestid 22877 indisuni 22959 indistpsx 22966 letopuni 23163 dfac14 23574 unicntop 24741 sszcld 24774 reperflem 24775 cnperf 24777 iiuni 24842 abscncfALT 24886 cncfcnvcn 24887 cnheiborlem 24921 cnheibor 24922 cnllycmp 24923 bndth 24925 mbfimaopnlem 25624 limcnlp 25847 limcflflem 25849 limcflf 25850 limcmo 25851 limcres 25855 limccnp 25860 limccnp2 25861 perfdvf 25872 recnperf 25874 dvcnp2 25889 dvcnp2OLD 25890 dvaddbr 25908 dvmulbr 25909 dvmulbrOLD 25910 dvcobr 25917 dvcobrOLD 25918 dvcnvlem 25948 lhop1lem 25986 taylthlem2 26350 taylthlem2OLD 26351 abelth 26419 cxpcn3 26726 lgamucov 27016 ftalem3 27053 blocni 30893 ipasslem8 30925 ubthlem1 30958 tpr2uni 34083 tpr2rico 34090 mndpluscn 34104 raddcn 34107 cvxsconn 35459 cvmlift2lem11 35529 ivthALT 36551 poimir 37904 broucube 37905 ftc1cnnc 37943 dvasin 37955 dvacos 37956 dvreasin 37957 dvreacos 37958 areacirclem2 37960 reheibor 38090 islptre 45979 dirkercncf 46465 fourierdlem62 46526 |
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