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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 7632 addvalex 8211 uzennn 10886 seq1g 10913 seqp1g 10916 seqclg 10922 seqm1g 10924 seqfeq4g 10981 lswwrd 11365 ccatlen 11377 ccatval2 11380 ccatvalfn 11383 ccatalpha 11395 eqs1 11410 swrdlen 11438 swrdfv 11439 swrdwrdsymbg 11450 swrdswrd 11491 absval 11781 climmpt 12082 strnfvnd 13421 imasex 13675 imasival 13676 imasbas 13677 imasplusg 13678 imasmulr 13679 imasaddfnlemg 13684 imasaddvallemg 13685 gzsumfzval 13760 gzsumval2 13763 gzsumsplit1r 13764 gzsumwsubmcl 13850 gzsumcl 13853 grpsubval 13900 mulgval 13974 mulgfng 13976 mulgnngzsum 13979 prdsex 14221 prdsval 14222 prdsbaslemss 14223 prdsbas 14225 prdsplusgfval 14233 prdsmulrfval 14235 pwsplusgval 14257 pwsmulrval 14258 znval 15020 znle 15021 znbaslemnn 15023 znbas 15028 znzrhval 15031 znzrhfo 15032 znleval 15037 iscnp4 15368 cnpnei 15369 uhgrspansubgrlem 16615 wlkvtxiedg 16684 wlkvtxiedgg 16685 wlk1walkdom 16698 wlklenvclwlk 16712 trlsegvdeglem3 16801 trlsegvdeglem5 16803 eupth2lem3fi 16815 depindlem1 16845 |
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