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| Mirrors > Home > ILE Home > Th. List > fvex | Unicode version | ||
| Description: Evaluating a set function at a set exists. (Contributed by Mario Carneiro and Jim Kingdon, 28-May-2019.) |
| Ref | Expression |
|---|---|
| fvex.1 |
|
| fvex.2 |
|
| Ref | Expression |
|---|---|
| fvex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvex.1 |
. 2
| |
| 2 | fvex.2 |
. 2
| |
| 3 | fvexg 5654 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 426 |
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 4205 ax-pow 4262 ax-pr 4297 ax-un 4528 |
| 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 2802 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-br 4087 df-opab 4149 df-cnv 4731 df-dm 4733 df-rn 4734 df-iota 5284 df-fv 5332 |
| This theorem is referenced by: uchoice 6295 rdgtfr 6535 rdgruledefgg 6536 mapsnf1o2 6860 ixpiinm 6888 mapsnen 6981 xpdom2 7010 mapxpen 7029 xpmapenlem 7030 phplem4 7036 ac6sfi 7080 fiintim 7116 pr2cv1 7391 acfun 7412 ccfunen 7473 ioof 10196 frec2uzrand 10657 frec2uzf1od 10658 frecfzennn 10678 hashinfom 11030 fsum3 11938 slotslfn 13098 ptex 13337 prdsvallem 13345 prdsval 13346 znval 14640 elply2 15449 |
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