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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 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-fv 5126 | . 2 | |
2 | funfveu 5427 | . . 3 | |
3 | euiotaex 5099 | . . 3 | |
4 | 2, 3 | syl 14 | . 2 |
5 | 1, 4 | eqeltrid 2224 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wcel 1480 weu 1997 cvv 2681 class class class wbr 3924 cdm 4534 cio 5081 wfun 5112 cfv 5118 |
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-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-sbc 2905 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-br 3925 df-opab 3985 df-id 4210 df-cnv 4542 df-co 4543 df-dm 4544 df-iota 5083 df-fun 5120 df-fv 5126 |
This theorem is referenced by: fnbrfvb 5455 fvelrnb 5462 funimass4 5465 fvelimab 5470 fniinfv 5472 funfvdm 5477 dmfco 5482 fvco2 5483 eqfnfv 5511 fndmdif 5518 fndmin 5520 fvimacnvi 5527 fvimacnv 5528 funconstss 5531 fniniseg 5533 fniniseg2 5535 fnniniseg2 5536 rexsupp 5537 fvelrn 5544 rexrn 5550 ralrn 5551 dff3im 5558 fmptco 5579 fsn2 5587 fnressn 5599 resfunexg 5634 eufnfv 5641 funfvima3 5644 rexima 5649 ralima 5650 fniunfv 5656 elunirn 5660 dff13 5662 foeqcnvco 5684 f1eqcocnv 5685 isocnv2 5706 isoini 5712 f1oiso 5720 fnovex 5797 suppssof1 5992 offveqb 5994 1stexg 6058 2ndexg 6059 smoiso 6192 rdgtfr 6264 rdgruledefgg 6265 rdgivallem 6271 frectfr 6290 frecrdg 6298 en1 6686 fundmen 6693 fnfi 6818 ordiso2 6913 climshft2 11068 slotex 11975 strsetsid 11981 |
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