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| Mirrors > Home > ILE Home > Th. List > tgss | Unicode version | ||
| Description: Subset relation for generated topologies. (Contributed by NM, 7-May-2007.) |
| Ref | Expression |
|---|---|
| tgss |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssrin 3429 |
. . . . . 6
| |
| 2 | 1 | unissd 3912 |
. . . . 5
|
| 3 | sstr2 3231 |
. . . . 5
| |
| 4 | 2, 3 | syl5com 29 |
. . . 4
|
| 5 | 4 | adantl 277 |
. . 3
|
| 6 | ssexg 4223 |
. . . . 5
| |
| 7 | 6 | ancoms 268 |
. . . 4
|
| 8 | eltg 14726 |
. . . 4
| |
| 9 | 7, 8 | syl 14 |
. . 3
|
| 10 | eltg 14726 |
. . . 4
| |
| 11 | 10 | adantr 276 |
. . 3
|
| 12 | 5, 9, 11 | 3imtr4d 203 |
. 2
|
| 13 | 12 | ssrdv 3230 |
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-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-topgen 13293 |
| This theorem is referenced by: tgidm 14748 tgss3 14752 basgen 14754 2basgeng 14756 bastop1 14757 txss12 14940 |
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