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| Description: Define restricted existential quantification. Special case of Definition 4.15(4) of [TakeutiZaring] p. 22. |
| Ref | Expression |
|---|---|
| df-rex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | wph |
. . 3
| |
| 2 | vx |
. . 3
| |
| 3 | cA |
. . 3
| |
| 4 | 1, 2, 3 | wrex 1646 |
. 2
|
| 5 | 2 | cv 955 |
. . . . 5
|
| 6 | 5, 3 | wcel 958 |
. . . 4
|
| 7 | 6, 1 | wa 223 |
. . 3
|
| 8 | 7, 2 | wex 980 |
. 2
|
| 9 | 4, 8 | wb 146 |
1
|
| Colors of variables: wff set class |
| This definition is referenced by: ralnex 1653 rexnal 1654 rexbida 1658 rexbidv2 1666 rexbii2 1672 risset 1685 hbrex 1688 hbre1 1689 r2ex 1691 rexex 1693 ra4e 1695 r19.22 1731 r19.22i2 1733 r19.22dv2 1736 r19.23v 1741 r19.23ai 1742 r19.23ad 1745 r19.29 1756 r19.41v 1763 r19.43 1765 reeanv 1778 rexeq1f 1784 cbvrexf 1797 cbvrex 1799 rexv 1821 rcla4e 1872 ceqsrexv 1889 reurex 1928 reu5 1929 reu2 1930 reu3 1931 reu6 1932 2reuswap 1937 reuss2 2275 reuun2 2278 reupick 2279 rabn0 2292 rab0 2293 r19.2z 2347 dfuni2 2505 eluni2 2507 elunirab 2514 iunconst 2572 dfiun2g 2586 dfiin2 2588 iunss 2591 ssiun 2592 iinss 2600 iunid 2603 iunn0 2607 iunxsn 2612 iunxun 2614 iununi 2616 intexrab 2732 onminex 3020 elxp2 3203 dmuni 3319 rnopab2 3354 dfima2 3405 dfima3 3406 elima2 3409 imasng 3424 rnuni 3459 rninxp 3482 imaco 3501 zfrep6 3614 fv2 3720 fnrnfv 3759 dffo4 3820 dffo5 3821 abrexexlem1 3858 imaiun 3864 abexssex 3872 abexex 3873 isomin 3899 iinon 3910 tfrlem8 3918 rdglim2 3949 oarec 4196 elqs 4290 qsexg 4294 snec 4296 mapsn 4345 mapsnen 4429 pssnn 4534 unblem2 4541 unfilem1 4548 zfregcl 4595 axinf2 4624 zfinf 4626 r1pwcl 4687 rankuni 4698 scott0 4717 cp 4722 bnd2 4724 aceq1 4729 aceq5lem2 4736 aceq5lem3 4737 aceq6b 4742 ac6lem 4754 kmlem3 4767 kmlem6 4770 kmlem8 4772 kmlem14 4778 zorn2lem6 4793 cfub 4908 ltexpi 5029 prnmax 5099 genpcl 5111 1pr 5117 ltexprlem5 5146 reclem2pr 5157 suplem1pr 5161 axrnegex 5283 axrrecex 5284 pre-axsup 5291 renegcl 5416 0re 5440 ssxr 5540 redivcl 5798 sup2 6051 infm3 6054 infmsup 6068 nnunb 6070 xrsupsslem 6076 xrinfmsslem 6077 supxrre 6083 2rexuz 6446 nnwof 6459 nnwos 6460 creur 6742 creui 6743 replimt 6761 infcvglem1 7221 ivthlem3 7283 ivthlem7 7287 infxpidmlem9 7560 infxpidmlem10 7561 isbasis2g 7612 tgval2t 7617 tgval3t 7625 tgss3t 7638 basgent 7640 cncfmet 7905 bcthlem8 8006 bcthlem14 8012 ubthlem6 8534 grothinf 8781 grothprim 8783 chsscm 9112 chcmh 9113 shne0 9371 nmcopexlem1 9951 nmcfnexlem1 9980 cnlnssadj 10013 faimpex 10438 abfi 10451 abfiOLD 10452 ficli 10472 ficliOLD 10473 hmeogrp 10538 |