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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 5709 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 430 |
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 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 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 |
| This theorem 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 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-cnv 4777 df-dm 4779 df-rn 4780 df-iota 5332 df-fv 5380 |
| This theorem is referenced by: uchoice 6361 rdgtfr 6635 rdgruledefgg 6636 mapsnf1o2 6968 ixpiinm 6996 mapsnen 7090 xpdom2 7119 mapxpen 7138 xpmapenlem 7139 phplem4 7146 ac6sfi 7192 fiintim 7228 pr2cv1 7531 acfun 7553 ccfunen 7620 ioof 10352 frec2uzrand 10820 frec2uzf1od 10821 frecfzennn 10841 hashinfom 11195 fsum3 12132 ballotfilem7 13257 slotslfn 13356 ptex 13595 prdsvallem 13598 prdsval 14150 znval 14943 elply2 15759 depindlem1 16661 |
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