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| Mirrors > Home > MPE Home > Th. List > fndm | Structured version Visualization version GIF version | ||
| Description: The domain of a function. (Contributed by NM, 2-Aug-1994.) |
| Ref | Expression |
|---|---|
| fndm | ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-fn 6496 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 497 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 dom cdm 5625 Fun wfun 6487 Fn wfn 6488 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-fn 6496 |
| This theorem is referenced by: fndmi 6597 fndmd 6598 funfni 6599 fndmu 6600 fnbr 6601 fnunres1 6605 fncofn 6610 fnco 6611 fnresdm 6612 fnresdisj 6613 fnssresb 6615 fn0 6624 fnimadisj 6625 fnimaeq0 6626 f1odm 6779 fvelimab 6907 fvun1 6926 eqfnfv2 6979 fndmdif 6989 fneqeql2 6994 elpreima 7005 fsn2 7084 fnsnbg 7113 fnprb 7157 fntpb 7158 fconst3 7162 fconst4 7163 fnfvima 7182 ralima 7186 fnunirn 7202 dff13 7203 nvof1o 7229 oprssov 7530 fnexALT 7898 curry1 8048 curry1val 8049 curry2 8051 curry2val 8053 fparlem3 8058 fparlem4 8059 offsplitfpar 8063 suppvalfng 8111 suppvalfn 8112 suppfnss 8133 fnsuppres 8135 tposfo2 8193 frrlem3 8232 frrlem4 8233 smodm2 8289 smoel2 8297 tfrlem8 8317 tfrlem9 8318 tfrlem9a 8319 tfrlem13 8323 tz7.44-3 8341 rdglim 8359 frsucmptn 8372 oaabs2 8579 omabs 8581 ixpprc 8861 undifixp 8876 bren 8897 fndmeng 8976 tfsnfin2 9267 inf0 9536 r1lim 9690 jech9.3 9732 ssrankr1 9753 rankuni 9781 dfac3 10037 cfsmolem 10186 fin23lem31 10259 itunitc1 10336 ituniiun 10338 fnct 10453 cfpwsdom 10501 grur1 10737 genpdm 10919 fsuppmapnn0fiublem 13946 fsuppmapnn0fiub 13947 hashfn 14331 cshimadifsn 14785 cshimadifsn0 14786 shftfn 15029 rlimi2 15470 phimullem 16743 restsspw 17388 prdsdsval 17435 fnpr2ob 17516 sscpwex 17776 sscfn1 17778 sscfn2 17779 isssc 17781 funcres 17857 xpcbas 18138 xpchomfval 18139 gsumpropd2lem 18641 psgndmsubg 19471 dsmmbas2 21730 dsmmelbas 21732 islindf4 21831 restbas 23136 ptval 23548 kqcldsat 23711 kqnrmlem1 23721 kqnrmlem2 23722 hmphtop 23756 ustn0 24199 uniiccdif 25558 cpncn 25916 cpnres 25917 ulmf2 26365 tglngne 28635 uhgrn0 29153 upgrfn 29173 upgrex 29178 umgrfn 29185 fcoinver 32692 fresunsn 32716 nfpconfp 32723 opprabs 33560 mdetpmtr1 33986 coinflipspace 34644 bnj945 34935 bnj545 35056 bnj548 35058 bnj570 35066 bnj900 35090 bnj929 35097 bnj983 35112 bnj1018g 35124 bnj1018 35125 bnj1110 35143 bnj1145 35154 bnj1245 35175 bnj1253 35178 bnj1286 35180 bnj1280 35181 bnj1296 35182 bnj1311 35185 bnj1450 35211 bnj1498 35222 bnj1514 35224 bnj1501 35228 dfrdg2 35994 heibor1lem 38147 aks6d1c2lem4 42583 eqresfnbd 42690 aomclem6 43508 tfsconcatun 43786 tfsconcatb0 43793 tfsconcat0i 43794 tfsconcat0b 43795 tfsconcatrev 43797 tfsnfin 43801 ntrclsfv1 44503 ntrneifv1 44527 fnresdmss 45619 dmmptif 45716 fnresfnco 47504 fnfocofob 47542 fnbrafvb 47617 uniimaprimaeqfv 47857 elsetpreimafvssdm 47861 imasetpreimafvbijlemfo 47880 fnxpdmdm 48651 plusfreseq 48655 dmdm 49543 |
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