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| 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 2729 |
. 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 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-ext 2211 |
| This theorem depends on definitions: df-bi 117 df-tru 1398 df-nf 1507 df-sb 1809 df-cleq 2222 df-clel 2225 df-nfc 2361 df-rex 2514 |
| This theorem is referenced by: rexeqtrdv 2737 rexeqtrrdv 2739 rexeqbidv 2745 rexeqbidva 2747 fnunirn 5897 cbvexfo 5916 fival 7148 nninfwlpoimlemg 7353 nninfwlpoimlemginf 7354 nninfwlpoim 7357 nninfinfwlpo 7358 genipv 7707 exfzdc 10458 infssuzex 10465 nninfdcex 10469 zproddc 12106 ennnfonelemrnh 13003 grppropd 13566 dvdsrpropdg 14127 znunit 14639 cnpfval 14885 plyval 15422 uhgrvtxedgiedgb 15957 wlkvtxedg 16109 |
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