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| Description: Equality deduction for restricted existential quantifier. |
| Ref | Expression |
|---|---|
| raleq1d.1 |
|
| Ref | Expression |
|---|---|
| rexeqdv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | raleq1d.1 |
. 2
| |
| 2 | rexeq 2267 |
. 2
| |
| 3 | 1, 2 | syl 12 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: rexeqbidv 2275 clmi2a 8351 opnfval 9134 cmsss 9275 hlcompl 9964 hausfillim 10303 cncomp 10331 isplig 10345 dirge 10357 pjth 10867 pjtheu 10869 pjmval 10871 cayleythlem 13645 fatesg 14293 bwt2 14960 isplibg1 15309 compcov 15429 compsublem 15430 compsub 15431 uncomp 15433 hscptsscld 15434 alexsublem4 15440 alexsub 15441 islocfin 15506 locfinnei 15512 neibastop2lem2 15520 neibastop2lem3 15521 neibastop2lem4 15522 filfm 15600 zornn0 15764 totbndss 15937 heiborlem1 15955 heiborlem9 15963 heiborlem16 15970 heiborlem42 15996 isgrpda 16033 pi1fval 16092 isdivrng2 16111 pointset 17222 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 1304 ax-gen 1305 ax-8 1306 ax-9 1307 ax-10 1308 ax-11 1309 ax-12 1310 ax-17 1317 ax-4 1319 ax-5o 1321 ax-6o 1324 ax-9o 1481 ax-10o 1500 ax-16 1580 ax-11o 1588 ax-ext 1865 |
| This theorem depends on definitions: df-bi 164 df-or 241 df-an 242 df-ex 1327 df-sb 1536 df-cleq 1877 df-clel 1880 df-rex 2110 |