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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 6524 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 501 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1560 dom cdm 5647 Fun wfun 6515 Fn wfn 6516 |
| 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 209 df-an 400 df-fn 6524 |
| This theorem is referenced by: fndmi 6625 fndmd 6626 funfni 6627 fndmu 6628 fnbr 6629 fnunres1 6633 fncofn 6638 fnco 6639 fnresdm 6640 fnresdisj 6641 fnssresb 6643 fn0 6652 fnimadisj 6653 fnimaeq0 6654 f1odmOLD 6811 fvelimab 6939 fvun1 6958 eqfnfv2 7012 fndmdif 7023 fneqeql2 7028 elpreima 7039 fsn2 7118 fnsnbg 7148 fnprb 7192 fntpb 7193 fconst3 7197 fconst4 7198 fnfvima 7217 ralima 7221 fnunirn 7237 dff13 7238 nvof1o 7264 oprssov 7565 fnexALT 7932 curry1 8083 curry1val 8084 curry2 8086 curry2val 8088 fparlem3 8093 fparlem4 8094 offsplitfpar 8098 suppvalfng 8147 suppvalfn 8148 suppfnss 8169 fnsuppres 8171 tposfo2 8229 frrlem3 8269 frrlem4 8270 smodm2 8326 smoel2 8334 tfrlem8 8355 tfrlem9 8356 tfrlem9a 8357 tfrlem13 8361 tz7.44-3 8379 rdglim 8397 frsucmptn 8410 oaabs2 8619 omabs 8621 ixpprc 8901 undifixp 8916 bren 8937 fndmeng 9016 tfsnfin2 9306 inf0 9576 r1lim 9730 jech9.3 9772 ssrankr1 9793 rankuni 9821 dfac3 10077 cfsmolem 10227 fin23lem31 10300 itunitc1 10377 ituniiun 10379 fnct 10494 cfpwsdom 10542 grur1 10778 genpdm 10960 fsuppmapnn0fiublem 14003 fsuppmapnn0fiub 14004 hashfn 14388 cshimadifsn 14842 cshimadifsn0 14843 shftfn 15086 rlimi2 15541 phimullem 16814 restsspw 17460 prdsdsval 17507 fnpr2ob 17588 sscpwex 17848 sscfn1 17850 sscfn2 17851 isssc 17853 funcres 17929 xpcbas 18210 xpchomfval 18211 gsumpropd2lem 18713 psgndmsubg 19542 dsmmbas2 21786 dsmmelbas 21788 islindf4 21887 restbas 23215 ptval 23627 kqcldsat 23790 kqnrmlem1 23800 kqnrmlem2 23801 hmphtop 23835 ustn0 24278 uniiccdif 25637 cpncn 25995 cpnres 25996 ulmf2 26444 tglngne 28716 uhgrn0 29265 upgrfn 29285 upgrex 29290 umgrfn 29297 fcoinver 32801 fresunsn 32824 nfpconfp 32831 opprabs 33667 mdetpmtr1 34117 coinflipspace 34775 bnj945 35066 bnj545 35187 bnj548 35189 bnj570 35197 bnj900 35221 bnj929 35228 bnj983 35243 bnj1018g 35255 bnj1018 35256 bnj1110 35274 bnj1145 35285 bnj1245 35306 bnj1253 35309 bnj1286 35311 bnj1280 35312 bnj1296 35313 bnj1311 35316 bnj1450 35342 bnj1498 35353 bnj1514 35355 bnj1501 35359 dfrdg2 36140 heibor1lem 38305 aks6d1c2lem4 42741 eqresfnbd 42848 aomclem6 43633 tfsconcatun 43911 tfsconcatb0 43918 tfsconcat0i 43919 tfsconcat0b 43920 tfsconcatrev 43922 tfsnfin 43926 ntrclsfv1 44628 ntrneifv1 44652 fnresdmss 45743 dmmptif 45838 fnresfnco 47632 fnfocofob 47670 fnbrafvb 47745 uniimaprimaeqfv 47985 elsetpreimafvssdm 47989 imasetpreimafvbijlemfo 48008 fnxpdmdm 48779 plusfreseq 48783 dmdm 49671 |
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