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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 5713 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | rnexg 5049 |
. . 3
| |
| 5 | uniexg 4587 |
. . 3
| |
| 6 | 4, 5 | syl 14 |
. 2
|
| 7 | ssexg 4274 |
. 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 4251 ax-pow 4313 ax-pr 4348 ax-un 4580 |
| 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 4132 df-opab 4194 df-cnv 4784 df-dm 4786 df-rn 4787 df-iota 5340 df-fv 5388 |
| This theorem is used by: fvex 5718 ovexg 6122 suppval1 6483 suppimacnvfn 6490 suppssrst 6505 suppssrgst 6506 suppinisegdc 6513 rdgivallem 6657 frecabex 6674 mapsnconst 6982 mapsnend 7105 cc2lem 7638 addvalex 8217 uzennn 10893 seq1g 10920 seqp1g 10923 seqclg 10929 seqm1g 10931 seqfeq4g 10988 lswwrd 11372 ccatlen 11384 ccatval2 11387 ccatvalfn 11390 ccatalpha 11402 eqs1 11417 swrdlen 11445 swrdfv 11446 swrdwrdsymbg 11457 swrdswrd 11498 absval 11788 climmpt 12090 strnfvnd 13429 imasex 13684 imasival 13685 imasbas 13686 imasplusg 13687 imasmulr 13688 imasaddfnlemg 13693 imasaddvallemg 13694 gzsumfzval 13769 gzsumval2 13772 gzsumsplit1r 13773 gzsumwsubmcl 13859 gzsumcl 13862 grpsubval 13909 mulgval 13983 mulgfng 13985 mulgnngzsum 13988 cntrval 14150 prdsex 14278 prdsval 14279 prdsbaslemss 14280 prdsbas 14282 prdsplusgfval 14290 prdsmulrfval 14292 pwsplusgval 14314 pwsmulrval 14315 znval 15079 znle 15080 znbaslemnn 15082 znbas 15087 znzrhval 15090 znzrhfo 15091 znleval 15096 iscnp4 15461 cnpnei 15462 uhgrspansubgrlem 16739 wlkvtxiedg 16808 wlkvtxiedgg 16809 wlk1walkdom 16822 wlklenvclwlk 16836 trlsegvdeglem3 16925 trlsegvdeglem5 16927 eupth2lem3fi 16939 depindlem1 16969 |
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