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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 4806 rspceov 6131 2dom 7099 apreim 8940 hashdmprop2dom 11318 fun2dmnop0 11324 addcn2 12101 mulcn2 12103 divalglemnn 12710 bezoutlema 12801 bezoutlemb 12802 pythagtriplem18 13089 pczpre 13105 pcdiv 13110 4sqlem3 13198 4sqlem4 13200 4sqlem12 13210 isnzr2 14600 txuni2 15515 txopn 15524 txdis 15536 txdis1cn 15537 xmettxlem 15768 elplyr 15999 2irrexpq 16245 2irrexpqap 16247 zprmlogbaplem3 16250 2sqlem2 16472 2sqlem8 16480 umgrvad2edg 16690 |
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