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Mirrors > Home > ILE Home > Th. List > fvexg | Unicode version |
Description: Evaluating a set function at a set exists. (Contributed by Mario Carneiro and Jim Kingdon, 28-May-2019.) |
Ref | Expression |
---|---|
fvexg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2697 | . . 3 | |
2 | fvssunirng 5436 | . . 3 | |
3 | 1, 2 | syl 14 | . 2 |
4 | rnexg 4804 | . . 3 | |
5 | uniexg 4361 | . . 3 | |
6 | 4, 5 | syl 14 | . 2 |
7 | ssexg 4067 | . 2 | |
8 | 3, 6, 7 | syl2anr 288 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 1480 cvv 2686 wss 3071 cuni 3736 crn 4540 cfv 5123 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-cnv 4547 df-dm 4549 df-rn 4550 df-iota 5088 df-fv 5131 |
This theorem is referenced by: fvex 5441 ovexg 5805 rdgivallem 6278 frecabex 6295 mapsnconst 6588 addvalex 7652 uzennn 10209 absval 10773 climmpt 11069 strnfvnd 11979 ressid 12020 iscnp4 12387 cnpnei 12388 |
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