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| Mirrors > Home > ILE Home > Th. List > rspc2ev | Unicode version | ||
| Description: 2-variable restricted existential specialization, using implicit substitution. (Contributed by NM, 16-Oct-1999.) |
| Ref | Expression |
|---|---|
| rspc2v.1 |
|
| rspc2v.2 |
|
| Ref | Expression |
|---|---|
| rspc2ev |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rspc2v.2 |
. . . . 5
| |
| 2 | 1 | rspcev 2929 |
. . . 4
|
| 3 | 2 | anim2i 342 |
. . 3
|
| 4 | 3 | 3impb 1230 |
. 2
|
| 5 | rspc2v.1 |
. . . 4
| |
| 6 | 5 | rexbidv 2551 |
. . 3
|
| 7 | 6 | rspcev 2929 |
. 2
|
| 8 | 4, 7 | syl 14 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-ext 2220 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-rex 2534 df-v 2823 |
| This theorem is used by: rspc3ev 2947 opelxp 4804 rspceov 6128 2dom 7093 apreim 8932 hashdmprop2dom 11298 fun2dmnop0 11304 addcn2 12078 mulcn2 12080 divalglemnn 12687 bezoutlema 12778 bezoutlemb 12779 pythagtriplem18 13062 pczpre 13078 pcdiv 13083 4sqlem3 13171 4sqlem4 13173 4sqlem12 13183 isnzr2 14493 txuni2 15359 txopn 15368 txdis 15380 txdis1cn 15381 xmettxlem 15612 elplyr 15843 2irrexpq 16084 2irrexpqap 16086 2sqlem2 16246 2sqlem8 16254 umgrvad2edg 16464 |
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