| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 5717 |
. 2
| |
| 4 | 1, 2, 3 | mp2an 430 |
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: uchoice 6375 rdgtfr 6650 rdgruledefgg 6651 mapsnf1o2 6984 ixpiinm 7012 mapsnen 7106 xpdom2 7135 mapxpen 7154 xpmapenlem 7155 phplem4 7162 ac6sfi 7208 fiintim 7244 pr2cv1 7547 acfun 7569 ccfunen 7636 ioof 10389 frec2uzrand 10862 frec2uzf1od 10863 frecfzennn 10883 hashinfom 11238 fsum3 12178 ballotfilem7 13336 slotslfn 13435 ptex 13676 prdsvallem 13679 prdsval 14279 znval 15079 elply2 15978 depindlem1 16969 |
| Copyright terms: Public domain | W3C validator |