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| Mirrors > Home > ILE Home > Th. List > 2basgeng | Unicode version | ||
| Description: Conditions that determine the equality of two generated topologies. (Contributed by NM, 8-May-2007.) (Revised by Jim Kingdon, 5-Mar-2023.) |
| Ref | Expression |
|---|---|
| 2basgeng |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | tgvalex 13291 |
. . . . 5
| |
| 2 | 1 | 3ad2ant1 1042 |
. . . 4
|
| 3 | simp3 1023 |
. . . 4
| |
| 4 | 2, 3 | ssexd 4223 |
. . 3
|
| 5 | simp2 1022 |
. . 3
| |
| 6 | tgss 14731 |
. . 3
| |
| 7 | 4, 5, 6 | syl2anc 411 |
. 2
|
| 8 | simp1 1021 |
. . . 4
| |
| 9 | tgss3 14746 |
. . . 4
| |
| 10 | 4, 8, 9 | syl2anc 411 |
. . 3
|
| 11 | 3, 10 | mpbird 167 |
. 2
|
| 12 | 7, 11 | eqssd 3241 |
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 4201 ax-pow 4257 ax-pr 4292 ax-un 4523 |
| 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 3888 df-iun 3966 df-br 4083 df-opab 4145 df-mpt 4146 df-id 4383 df-xp 4724 df-rel 4725 df-cnv 4726 df-co 4727 df-dm 4728 df-iota 5277 df-fun 5319 df-fv 5325 df-topgen 13288 |
| This theorem is referenced by: txbasval 14935 tgioo 15222 tgqioo 15223 |
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