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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 12169 | . 2 TopOn | |
2 | 1 | simplbi 272 | 1 TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1331 wcel 1480 cuni 3731 cfv 5118 ctop 12153 TopOnctopon 12166 |
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 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-un 4350 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-rab 2423 df-v 2683 df-sbc 2905 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-mpt 3986 df-id 4210 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-iota 5083 df-fun 5120 df-fv 5126 df-topon 12167 |
This theorem is referenced by: topontopi 12172 topontopon 12176 toponmax 12181 topgele 12185 istps 12188 topontopn 12193 resttopon 12329 resttopon2 12336 lmfval 12350 cnfval 12352 cnpfval 12353 cnprcl2k 12364 cnpf2 12365 tgcn 12366 tgcnp 12367 iscnp4 12376 cnntr 12383 cncnp 12388 cnptopresti 12396 txtopon 12420 txcnp 12429 txlm 12437 cnmpt2res 12455 mopntop 12602 metcnpi 12673 metcnpi3 12675 dvfvalap 12808 dvfgg 12815 dvaddxxbr 12823 dvmulxxbr 12824 |
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