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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 6488 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 498 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 dom cdm 5618 Fun wfun 6479 Fn wfn 6480 |
| 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 208 df-an 397 df-fn 6488 |
| This theorem is referenced by: fndmi 6589 fndmd 6590 funfni 6591 fndmu 6592 fnbr 6593 fnunres1 6597 fncofn 6602 fnco 6603 fnresdm 6604 fnresdisj 6605 fnssresb 6607 fn0 6616 fnimadisj 6617 fnimaeq0 6618 f1odm 6771 fvelimab 6899 fvun1 6918 eqfnfv2 6972 fndmdif 6983 fneqeql2 6988 elpreima 6999 fsn2 7078 fnsnbg 7108 fnprb 7152 fntpb 7153 fconst3 7157 fconst4 7158 fnfvima 7177 ralima 7181 fnunirn 7197 dff13 7198 nvof1o 7224 oprssov 7525 fnexALT 7893 curry1 8043 curry1val 8044 curry2 8046 curry2val 8048 fparlem3 8053 fparlem4 8054 offsplitfpar 8058 suppvalfng 8107 suppvalfn 8108 suppfnss 8129 fnsuppres 8131 tposfo2 8189 frrlem3 8228 frrlem4 8229 smodm2 8285 smoel2 8293 tfrlem8 8313 tfrlem9 8314 tfrlem9a 8315 tfrlem13 8319 tz7.44-3 8337 rdglim 8355 frsucmptn 8368 oaabs2 8575 omabs 8577 ixpprc 8857 undifixp 8872 bren 8893 fndmeng 8972 tfsnfin2 9263 inf0 9533 r1lim 9687 jech9.3 9729 ssrankr1 9750 rankuni 9778 dfac3 10034 cfsmolem 10183 fin23lem31 10256 itunitc1 10333 ituniiun 10335 fnct 10450 cfpwsdom 10498 grur1 10734 genpdm 10916 fsuppmapnn0fiublem 13943 fsuppmapnn0fiub 13944 hashfn 14328 cshimadifsn 14782 cshimadifsn0 14783 shftfn 15026 rlimi2 15467 phimullem 16740 restsspw 17385 prdsdsval 17432 fnpr2ob 17513 sscpwex 17773 sscfn1 17775 sscfn2 17776 isssc 17778 funcres 17854 xpcbas 18135 xpchomfval 18136 gsumpropd2lem 18638 psgndmsubg 19468 dsmmbas2 21712 dsmmelbas 21714 islindf4 21813 restbas 23141 ptval 23553 kqcldsat 23716 kqnrmlem1 23726 kqnrmlem2 23727 hmphtop 23761 ustn0 24204 uniiccdif 25563 cpncn 25921 cpnres 25922 ulmf2 26367 tglngne 28636 uhgrn0 29154 upgrfn 29174 upgrex 29179 umgrfn 29186 fcoinver 32693 fresunsn 32717 nfpconfp 32724 opprabs 33565 mdetpmtr1 34007 coinflipspace 34665 bnj945 34956 bnj545 35077 bnj548 35079 bnj570 35087 bnj900 35111 bnj929 35118 bnj983 35133 bnj1018g 35145 bnj1018 35146 bnj1110 35164 bnj1145 35175 bnj1245 35196 bnj1253 35199 bnj1286 35201 bnj1280 35202 bnj1296 35203 bnj1311 35206 bnj1450 35232 bnj1498 35243 bnj1514 35245 bnj1501 35249 dfrdg2 36021 heibor1lem 38176 aks6d1c2lem4 42612 eqresfnbd 42719 aomclem6 43504 tfsconcatun 43782 tfsconcatb0 43789 tfsconcat0i 43790 tfsconcat0b 43791 tfsconcatrev 43793 tfsnfin 43797 ntrclsfv1 44499 ntrneifv1 44523 fnresdmss 45615 dmmptif 45710 fnresfnco 47504 fnfocofob 47542 fnbrafvb 47617 uniimaprimaeqfv 47857 elsetpreimafvssdm 47861 imasetpreimafvbijlemfo 47880 fnxpdmdm 48651 plusfreseq 48655 dmdm 49543 |
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