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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 5689 |
. 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2205 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 ax-un 4554 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-cnv 4757 df-dm 4759 df-rn 4760 df-iota 5312 df-fv 5360 |
| This theorem is referenced by: uchoice 6331 rdgtfr 6605 rdgruledefgg 6606 mapsnf1o2 6931 ixpiinm 6959 mapsnen 7053 xpdom2 7082 mapxpen 7101 xpmapenlem 7102 phplem4 7109 ac6sfi 7155 fiintim 7191 pr2cv1 7492 acfun 7514 ccfunen 7578 ioof 10304 frec2uzrand 10767 frec2uzf1od 10768 frecfzennn 10788 hashinfom 11141 fsum3 12073 slotslfn 13238 ptex 13477 prdsvallem 13485 prdsval 13486 znval 14784 elply2 15600 depindlem1 16501 |
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