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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 6539 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 502 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 dom cdm 5661 Fun wfun 6530 Fn wfn 6531 |
| 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 210 df-an 401 df-fn 6539 |
| This theorem is referenced by: fndmi 6639 fndmd 6640 funfni 6641 fndmu 6642 fnbr 6643 fnunres1 6647 fncofn 6652 fnco 6653 fnresdm 6654 fnresdisj 6655 fnssresb 6657 fn0 6666 fnimadisj 6667 fnimaeq0 6668 f1odmOLD 6825 fvelimab 6953 fvun1 6972 eqfnfv2 7026 fndmdif 7037 fneqeql2 7042 elpreima 7053 fsn2 7132 fnsnbg 7162 fnprb 7206 fntpb 7207 fconst3 7211 fconst4 7212 fnfvima 7231 ralima 7235 fnunirn 7251 dff13 7252 nvof1o 7278 oprssov 7579 fnexALT 7944 curry1 8095 curry1val 8096 curry2 8098 curry2val 8100 fparlem3 8105 fparlem4 8106 offsplitfpar 8110 suppvalfng 8159 suppvalfn 8160 suppfnss 8181 fnsuppres 8183 tposfo2 8241 frrlem3 8281 frrlem4 8282 smodm2 8338 smoel2 8346 tfrlem8 8367 tfrlem9 8368 tfrlem9a 8369 tfrlem13 8373 tz7.44-3 8391 rdglim 8409 frsucmptn 8422 oaabs2 8631 omabs 8633 ixpprc 8913 undifixp 8928 bren 8949 fndmeng 9028 tfsnfin2 9316 inf0 9586 r1lim 9740 jech9.3 9782 ssrankr1 9803 rankuni 9831 dfac3 10101 cfsmolem 10249 fin23lem31 10322 itunitc1 10399 ituniiun 10401 fnct 10516 cfpwsdom 10564 grur1 10800 genpdm 10982 fsuppmapnn0fiublem 14022 fsuppmapnn0fiub 14023 hashfn 14407 cshimadifsn 14862 cshimadifsn0 14863 shftfn 15106 rlimi2 15561 phimullem 16833 restsspw 17479 prdsdsval 17526 fnpr2ob 17607 sscpwex 17867 sscfn1 17869 sscfn2 17870 isssc 17872 funcres 17948 xpcbas 18229 xpchomfval 18230 gsumpropd2lem 18732 psgndmsubg 19567 dsmmbas2 21887 dsmmelbas 21889 islindf4 21988 restbas 23315 ptval 23727 kqcldsat 23890 kqnrmlem1 23900 kqnrmlem2 23901 hmphtop 23935 ustn0 24378 uniiccdif 25737 cpncn 26095 cpnres 26096 ulmf2 26547 tglngne 28819 uhgrn0 29417 upgrfn 29437 upgrex 29442 umgrfn 29449 fcoinver 32949 fresunsn 32970 nfpconfp 32977 opprabs 33764 mdetpmtr1 34213 coinflipspace 34871 bnj945 35162 bnj545 35283 bnj548 35285 bnj570 35293 bnj900 35317 bnj929 35324 bnj983 35339 bnj1018g 35351 bnj1018 35352 bnj1110 35370 bnj1145 35381 bnj1245 35402 bnj1253 35405 bnj1286 35407 bnj1280 35408 bnj1296 35409 bnj1311 35412 bnj1450 35438 bnj1498 35449 bnj1514 35451 bnj1501 35455 dfrdg2 36285 heibor1lem 38460 aks6d1c2lem4 42894 eqresfnbd 43003 aomclem6 43786 tfsconcatun 44064 tfsconcatb0 44071 tfsconcat0i 44072 tfsconcat0b 44073 tfsconcatrev 44075 tfsnfin 44079 ntrclsfv1 44781 ntrneifv1 44805 fnresdmss 45886 dmmptif 45981 fnresfnco 47778 fnfocofob 47816 fnbrafvb 47891 uniimaprimaeqfv 48131 elsetpreimafvssdm 48135 imasetpreimafvbijlemfo 48154 fnxpdmdm 48925 plusfreseq 48929 dmdm 49831 |
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