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| Mirrors > Home > ILE Home > Th. List > fvexg | Unicode version | ||
| Description: Evaluating a set function at a set exists. (Contributed by Mario Carneiro and Jim Kingdon, 28-May-2019.) |
| Ref | Expression |
|---|---|
| fvexg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 2833 |
. . 3
| |
| 2 | fvssunirng 5710 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | rnexg 5047 |
. . 3
| |
| 5 | uniexg 4585 |
. . 3
| |
| 6 | 4, 5 | syl 14 |
. 2
|
| 7 | ssexg 4272 |
. 2
| |
| 8 | 3, 6, 7 | syl2anr 290 |
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-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-br 4131 df-opab 4193 df-cnv 4782 df-dm 4784 df-rn 4785 df-iota 5337 df-fv 5385 |
| This theorem is used by: fvex 5715 ovexg 6119 suppval1 6479 suppimacnvfn 6486 suppssrst 6501 suppssrgst 6502 rdgivallem 6652 frecabex 6669 mapsnconst 6976 mapsnend 7099 cc2lem 7633 addvalex 8212 uzennn 10888 seq1g 10915 seqp1g 10918 seqclg 10924 seqm1g 10926 seqfeq4g 10983 lswwrd 11367 ccatlen 11379 ccatval2 11382 ccatvalfn 11385 ccatalpha 11397 eqs1 11412 swrdlen 11440 swrdfv 11441 swrdwrdsymbg 11452 swrdswrd 11493 absval 11783 climmpt 12085 strnfvnd 13424 imasex 13679 imasival 13680 imasbas 13681 imasplusg 13682 imasmulr 13683 imasaddfnlemg 13688 imasaddvallemg 13689 gzsumfzval 13764 gzsumval2 13767 gzsumsplit1r 13768 gzsumwsubmcl 13854 gzsumcl 13857 grpsubval 13904 mulgval 13978 mulgfng 13980 mulgnngzsum 13983 cntrval 14145 prdsex 14256 prdsval 14257 prdsbaslemss 14258 prdsbas 14260 prdsplusgfval 14268 prdsmulrfval 14270 pwsplusgval 14292 pwsmulrval 14293 znval 15055 znle 15056 znbaslemnn 15058 znbas 15063 znzrhval 15066 znzrhfo 15067 znleval 15072 iscnp4 15410 cnpnei 15411 uhgrspansubgrlem 16683 wlkvtxiedg 16752 wlkvtxiedgg 16753 wlk1walkdom 16766 wlklenvclwlk 16780 trlsegvdeglem3 16869 trlsegvdeglem5 16871 eupth2lem3fi 16883 depindlem1 16913 |
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