| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > rexeqdv | Unicode version | ||
| Description: Equality deduction for restricted existential quantifier. (Contributed by NM, 14-Jan-2007.) |
| Ref | Expression |
|---|---|
| raleq1d.1 |
|
| Ref | Expression |
|---|---|
| rexeqdv |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | raleq1d.1 |
. 2
| |
| 2 | rexeq 2742 |
. 2
| |
| 3 | 1, 2 | syl 14 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2214 |
| This theorem depends on definitions: df-bi 117 df-tru 1401 df-nf 1510 df-sb 1812 df-cleq 2225 df-clel 2228 df-nfc 2373 df-rex 2526 |
| This theorem is referenced by: rexeqtrdv 2750 rexeqtrrdv 2752 rexeqbidv 2758 rexeqbidva 2760 fnunirn 5940 cbvexfo 5959 fival 7257 nninfwlpoimlemg 7466 nninfwlpoimlemginf 7467 nninfwlpoim 7470 nninfinfwlpo 7471 genipv 7824 exfzdc 10586 infssuzex 10593 nninfdcex 10597 zproddc 12265 ennnfonelemrnh 13167 grppropd 13730 dvdsrpropdg 14292 znunit 14807 cnpfval 15060 plyval 15597 uhgrvtxedgiedgb 16138 wlkvtxedg 16358 |
| Copyright terms: Public domain | W3C validator |