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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 | TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | istopon 12558 | . 2 TopOn | |
2 | 1 | simprbi 273 | 1 TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1342 wcel 2135 cuni 3783 cfv 5182 ctop 12542 TopOnctopon 12555 |
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 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 |
This theorem depends on definitions: df-bi 116 df-3an 969 df-tru 1345 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-sbc 2947 df-un 3115 df-in 3117 df-ss 3124 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-br 3977 df-opab 4038 df-mpt 4039 df-id 4265 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-iota 5147 df-fun 5184 df-fv 5190 df-topon 12556 |
This theorem is referenced by: toponunii 12562 toponmax 12570 toponss 12571 toponcom 12572 topgele 12574 topontopn 12582 restuni 12719 resttopon2 12725 lmfval 12739 cnfval 12741 cnpfval 12742 cnprcl2k 12753 ssidcn 12757 iscnp4 12765 cnntr 12772 cncnp 12777 cnptopresti 12785 txtopon 12809 txuni 12810 cnmpt1t 12832 cnmpt2t 12840 cnmpt1res 12843 cnmpt2res 12844 mopnuni 12992 isxms2 12999 limccnp2lem 13192 limccnp2cntop 13193 dvfvalap 13197 dvbss 13201 dvfgg 13204 dvcnp2cntop 13210 dvaddxxbr 13212 dvmulxxbr 13213 |
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