| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > fvex | GIF version | ||
| Description: Evaluating a set function at a set exists. (Contributed by Mario Carneiro and Jim Kingdon, 28-May-2019.) |
| Ref | Expression |
|---|---|
| fvex.1 | ⊢ 𝐹 ∈ 𝑉 |
| fvex.2 | ⊢ 𝐴 ∈ 𝑊 |
| Ref | Expression |
|---|---|
| fvex | ⊢ (𝐹‘𝐴) ∈ V |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvex.1 | . 2 ⊢ 𝐹 ∈ 𝑉 | |
| 2 | fvex.2 | . 2 ⊢ 𝐴 ∈ 𝑊 | |
| 3 | fvexg 5712 | . 2 ⊢ ((𝐹 ∈ 𝑉 ∧ 𝐴 ∈ 𝑊) → (𝐹‘𝐴) ∈ V) | |
| 4 | 1, 2, 3 | mp2an 430 | 1 ⊢ (𝐹‘𝐴) ∈ V |
| Colors of variables: wff set class |
| Syntax hints: ∈ wcel 2209 Vcvv 2821 ‘cfv 5375 |
| 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 4247 ax-pow 4309 ax-pr 4344 ax-un 4576 |
| 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 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-br 4129 df-opab 4191 df-cnv 4780 df-dm 4782 df-rn 4783 df-iota 5335 df-fv 5383 |
| This theorem is referenced by: uchoice 6365 rdgtfr 6639 rdgruledefgg 6640 mapsnf1o2 6972 ixpiinm 7000 mapsnen 7094 xpdom2 7123 mapxpen 7142 xpmapenlem 7143 phplem4 7150 ac6sfi 7196 fiintim 7232 pr2cv1 7535 acfun 7557 ccfunen 7624 ioof 10356 frec2uzrand 10825 frec2uzf1od 10826 frecfzennn 10846 hashinfom 11200 fsum3 12137 ballotfilem7 13262 slotslfn 13361 ptex 13601 prdsvallem 13604 prdsval 14156 znval 14954 elply2 15819 depindlem1 16730 |
| Copyright terms: Public domain | W3C validator |