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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 22879 | . 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 4850 ‘cfv 6498 TopOnctopon 22875 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-iota 6454 df-fun 6500 df-fv 6506 df-topon 22876 |
| This theorem is referenced by: toponrestid 22886 indisuni 22968 indistpsx 22975 letopuni 23172 dfac14 23583 unicntop 24750 sszcld 24783 reperflem 24784 cnperf 24786 iiuni 24848 abscncfALT 24891 cncfcnvcn 24892 cnheiborlem 24921 cnheibor 24922 cnllycmp 24923 bndth 24925 mbfimaopnlem 25622 limcnlp 25845 limcflflem 25847 limcflf 25848 limcmo 25849 limcres 25853 limccnp 25858 limccnp2 25859 perfdvf 25870 recnperf 25872 dvcnp2 25887 dvaddbr 25905 dvmulbr 25906 dvcobr 25913 dvcnvlem 25943 lhop1lem 25980 taylthlem2 26339 abelth 26406 cxpcn3 26712 lgamucov 27001 ftalem3 27038 blocni 30876 ipasslem8 30908 ubthlem1 30941 tpr2uni 34049 tpr2rico 34056 mndpluscn 34070 raddcn 34073 cvxsconn 35425 cvmlift2lem11 35495 ivthALT 36517 poimir 37974 broucube 37975 ftc1cnnc 38013 dvasin 38025 dvacos 38026 dvreasin 38027 dvreacos 38028 areacirclem2 38030 reheibor 38160 islptre 46049 dirkercncf 46535 fourierdlem62 46596 |
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