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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 8934 hashdmprop2dom 11312 fun2dmnop0 11318 addcn2 12095 mulcn2 12097 divalglemnn 12704 bezoutlema 12795 bezoutlemb 12796 pythagtriplem18 13083 pczpre 13099 pcdiv 13104 4sqlem3 13192 4sqlem4 13194 4sqlem12 13204 isnzr2 14575 txuni2 15448 txopn 15457 txdis 15469 txdis1cn 15470 xmettxlem 15701 elplyr 15932 2irrexpq 16178 2irrexpqap 16180 zprmlogbaplem3 16183 2sqlem2 16405 2sqlem8 16413 umgrvad2edg 16623 |
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