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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2652 |
. . 3
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2 | fvssunirng 5368 |
. . 3
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3 | 1, 2 | syl 14 |
. 2
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4 | rnexg 4740 |
. . 3
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5 | uniexg 4299 |
. . 3
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6 | 4, 5 | syl 14 |
. 2
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7 | ssexg 4007 |
. 2
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8 | 3, 6, 7 | syl2anr 286 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 671 ax-5 1391 ax-7 1392 ax-gen 1393 ax-ie1 1437 ax-ie2 1438 ax-8 1450 ax-10 1451 ax-11 1452 ax-i12 1453 ax-bndl 1454 ax-4 1455 ax-13 1459 ax-14 1460 ax-17 1474 ax-i9 1478 ax-ial 1482 ax-i5r 1483 ax-ext 2082 ax-sep 3986 ax-pow 4038 ax-pr 4069 ax-un 4293 |
This theorem depends on definitions: df-bi 116 df-3an 932 df-tru 1302 df-nf 1405 df-sb 1704 df-eu 1963 df-mo 1964 df-clab 2087 df-cleq 2093 df-clel 2096 df-nfc 2229 df-ral 2380 df-rex 2381 df-v 2643 df-un 3025 df-in 3027 df-ss 3034 df-pw 3459 df-sn 3480 df-pr 3481 df-op 3483 df-uni 3684 df-br 3876 df-opab 3930 df-cnv 4485 df-dm 4487 df-rn 4488 df-iota 5024 df-fv 5067 |
This theorem is referenced by: fvex 5373 ovexg 5737 rdgivallem 6208 frecabex 6225 mapsnconst 6518 addvalex 7531 uzennn 10050 absval 10613 climmpt 10908 strnfvnd 11761 ressid 11802 iscnp4 12168 cnpnei 12169 |
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