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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 7098 apreim 8940 hashdmprop2dom 11319 fun2dmnop0 11325 addcn2 12102 mulcn2 12104 divalglemnn 12711 bezoutlema 12802 bezoutlemb 12803 pythagtriplem18 13090 pczpre 13106 pcdiv 13111 4sqlem3 13199 4sqlem4 13201 4sqlem12 13211 isnzr2 14601 txuni2 15494 txopn 15503 txdis 15515 txdis1cn 15516 xmettxlem 15747 elplyr 15978 2irrexpq 16224 2irrexpqap 16226 zprmlogbaplem3 16229 2sqlem2 16451 2sqlem8 16459 umgrvad2edg 16669 |
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