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Mirrors > Home > ILE Home > Th. List > tgval | Unicode version |
Description: The topology generated by a basis. See also tgval2 12691 and tgval3 12698. (Contributed by NM, 16-Jul-2006.) (Revised by Mario Carneiro, 10-Jan-2015.) |
Ref | Expression |
---|---|
tgval |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2737 | . 2 | |
2 | uniexg 4417 | . . 3 | |
3 | abssexg 4161 | . . 3 | |
4 | uniin 3809 | . . . . . . 7 | |
5 | sstr 3150 | . . . . . . 7 | |
6 | 4, 5 | mpan2 422 | . . . . . 6 |
7 | ssin 3344 | . . . . . 6 | |
8 | 6, 7 | sylibr 133 | . . . . 5 |
9 | 8 | ss2abi 3214 | . . . 4 |
10 | ssexg 4121 | . . . 4 | |
11 | 9, 10 | mpan 421 | . . 3 |
12 | 2, 3, 11 | 3syl 17 | . 2 |
13 | ineq1 3316 | . . . . . 6 | |
14 | 13 | unieqd 3800 | . . . . 5 |
15 | 14 | sseq2d 3172 | . . . 4 |
16 | 15 | abbidv 2284 | . . 3 |
17 | df-topgen 12577 | . . 3 | |
18 | 16, 17 | fvmptg 5562 | . 2 |
19 | 1, 12, 18 | syl2anc 409 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1343 wcel 2136 cab 2151 cvv 2726 cin 3115 wss 3116 cpw 3559 cuni 3789 cfv 5188 ctg 12571 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-sbc 2952 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-iota 5153 df-fun 5190 df-fv 5196 df-topgen 12577 |
This theorem is referenced by: tgvalex 12690 tgval2 12691 eltg 12692 |
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