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| Mirrors > Home > ILE Home > Th. List > tgvalex | Unicode version | ||
| Description: The topology generated by a basis is a set. (Contributed by Jim Kingdon, 4-Mar-2023.) |
| Ref | Expression |
|---|---|
| tgvalex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgval 13209 |
. 2
| |
| 2 | inss1 3401 |
. . . . . . 7
| |
| 3 | 2 | unissi 3887 |
. . . . . 6
|
| 4 | sstr 3209 |
. . . . . 6
| |
| 5 | 3, 4 | mpan2 425 |
. . . . 5
|
| 6 | 5 | ss2abi 3273 |
. . . 4
|
| 7 | df-pw 3628 |
. . . 4
| |
| 8 | 6, 7 | sseqtrri 3236 |
. . 3
|
| 9 | uniexg 4504 |
. . . 4
| |
| 10 | 9 | pwexd 4241 |
. . 3
|
| 11 | ssexg 4199 |
. . 3
| |
| 12 | 8, 10, 11 | sylancr 414 |
. 2
|
| 13 | 1, 12 | eqeltrd 2284 |
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 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 ax-un 4498 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2778 df-sbc 3006 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-br 4060 df-opab 4122 df-mpt 4123 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-iota 5251 df-fun 5292 df-fv 5298 df-topgen 13207 |
| This theorem is referenced by: ptex 13211 mopnset 14429 tgcl 14651 tgidm 14661 tgss3 14665 2basgeng 14669 tgrest 14756 txvalex 14841 txval 14842 txbasval 14854 |
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