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Mirrors > Home > ILE Home > Th. List > topontop | Unicode version |
Description: A topology on a given base set is a topology. (Contributed by Mario Carneiro, 13-Aug-2015.) |
Ref | Expression |
---|---|
topontop | TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | istopon 12190 | . 2 TopOn | |
2 | 1 | simplbi 272 | 1 TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 wcel 1480 cuni 3736 cfv 5123 ctop 12174 TopOnctopon 12187 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-topon 12188 |
This theorem is referenced by: topontopi 12193 topontopon 12197 toponmax 12202 topgele 12206 istps 12209 topontopn 12214 resttopon 12350 resttopon2 12357 lmfval 12371 cnfval 12373 cnpfval 12374 cnprcl2k 12385 cnpf2 12386 tgcn 12387 tgcnp 12388 iscnp4 12397 cnntr 12404 cncnp 12409 cnptopresti 12417 txtopon 12441 txcnp 12450 txlm 12458 cnmpt2res 12476 mopntop 12623 metcnpi 12694 metcnpi3 12696 dvfvalap 12829 dvfgg 12836 dvaddxxbr 12844 dvmulxxbr 12845 |
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