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| Mirrors > Home > ILE Home > Th. List > toponuni | Unicode version | ||
| Description: The base set of a topology on a given base set. (Contributed by Mario Carneiro, 13-Aug-2015.) |
| Ref | Expression |
|---|---|
| toponuni |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | istopon 14703 |
. 2
| |
| 2 | 1 | simprbi 275 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-rab 2517 df-v 2801 df-sbc 3029 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-mpt 4147 df-id 4384 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-iota 5278 df-fun 5320 df-fv 5326 df-topon 14701 |
| This theorem is referenced by: toponunii 14707 toponmax 14715 toponss 14716 toponcom 14717 topgele 14719 topontopn 14727 restuni 14862 resttopon2 14868 lmfval 14883 cnfval 14884 cnpfval 14885 cnprcl2k 14896 ssidcn 14900 iscnp4 14908 cnntr 14915 cncnp 14920 cnptopresti 14928 txtopon 14952 txuni 14953 cnmpt1t 14975 cnmpt2t 14983 cnmpt1res 14986 cnmpt2res 14987 mopnuni 15135 isxms2 15142 limccnp2lem 15366 limccnp2cntop 15367 dvfvalap 15371 dvbss 15375 dvfgg 15378 dvcnp2cntop 15389 dvaddxxbr 15391 dvmulxxbr 15392 |
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