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Mirrors > Home > ILE Home > Th. List > funfvex | Unicode version |
Description: The value of a function exists. A special case of Corollary 6.13 of [TakeutiZaring] p. 27. (Contributed by Jim Kingdon, 29-Dec-2018.) |
Ref | Expression |
---|---|
funfvex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fv 5139 |
. 2
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2 | funfveu 5442 |
. . 3
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3 | euiotaex 5112 |
. . 3
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4 | 2, 3 | syl 14 |
. 2
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5 | 1, 4 | eqeltrid 2227 |
1
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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 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-eu 2003 df-mo 2004 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-sbc 2914 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-br 3938 df-opab 3998 df-id 4223 df-cnv 4555 df-co 4556 df-dm 4557 df-iota 5096 df-fun 5133 df-fv 5139 |
This theorem is referenced by: fnbrfvb 5470 fvelrnb 5477 funimass4 5480 fvelimab 5485 fniinfv 5487 funfvdm 5492 dmfco 5497 fvco2 5498 eqfnfv 5526 fndmdif 5533 fndmin 5535 fvimacnvi 5542 fvimacnv 5543 funconstss 5546 fniniseg 5548 fniniseg2 5550 fnniniseg2 5551 rexsupp 5552 fvelrn 5559 rexrn 5565 ralrn 5566 dff3im 5573 fmptco 5594 fsn2 5602 fnressn 5614 resfunexg 5649 eufnfv 5656 funfvima3 5659 rexima 5664 ralima 5665 fniunfv 5671 elunirn 5675 dff13 5677 foeqcnvco 5699 f1eqcocnv 5700 isocnv2 5721 isoini 5727 f1oiso 5735 fnovex 5812 suppssof1 6007 offveqb 6009 1stexg 6073 2ndexg 6074 smoiso 6207 rdgtfr 6279 rdgruledefgg 6280 rdgivallem 6286 frectfr 6305 frecrdg 6313 en1 6701 fundmen 6708 fnfi 6833 ordiso2 6928 cc2lem 7098 climshft2 11107 slotex 12025 strsetsid 12031 |
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