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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 2811 |
. . 3
| |
| 2 | fvssunirng 5644 |
. . 3
| |
| 3 | 1, 2 | syl 14 |
. 2
|
| 4 | rnexg 4989 |
. . 3
| |
| 5 | uniexg 4530 |
. . 3
| |
| 6 | 4, 5 | syl 14 |
. 2
|
| 7 | ssexg 4223 |
. 2
| |
| 8 | 3, 6, 7 | syl2anr 290 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4202 ax-pow 4258 ax-pr 4293 ax-un 4524 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-br 4084 df-opab 4146 df-cnv 4727 df-dm 4729 df-rn 4730 df-iota 5278 df-fv 5326 |
| This theorem is referenced by: fvex 5649 ovexg 6041 rdgivallem 6533 frecabex 6550 mapsnconst 6849 cc2lem 7463 addvalex 8042 uzennn 10670 seq1g 10697 seqp1g 10700 seqclg 10706 seqm1g 10708 seqfeq4g 10765 lswwrd 11131 ccatlen 11143 ccatval2 11146 ccatvalfn 11149 ccatalpha 11161 eqs1 11176 swrdlen 11199 swrdfv 11200 swrdwrdsymbg 11211 swrdswrd 11252 absval 11527 climmpt 11826 strnfvnd 13067 prdsex 13317 prdsval 13321 prdsbaslemss 13322 prdsbas 13324 prdsplusgfval 13332 prdsmulrfval 13334 pwsplusgval 13343 pwsmulrval 13344 imasex 13353 imasival 13354 imasbas 13355 imasplusg 13356 imasmulr 13357 imasaddfnlemg 13362 imasaddvallemg 13363 gsumfzval 13439 gsumval2 13445 gsumsplit1r 13446 gsumprval 13447 gsumfzz 13543 gsumwsubmcl 13544 gsumfzcl 13547 grpsubval 13594 mulgval 13674 mulgfng 13676 mulgnngsum 13679 znval 14615 znle 14616 znbaslemnn 14618 znbas 14623 znzrhval 14626 znzrhfo 14627 znleval 14632 iscnp4 14907 cnpnei 14908 wlkvtxiedg 16086 wlkvtxiedgg 16087 wlk1walkdom 16100 wlklenvclwlk 16114 |
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