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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 6501 | . 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 5631 Fun wfun 6492 Fn wfn 6493 |
| 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 6501 |
| This theorem is referenced by: fndmi 6602 fndmd 6603 funfni 6604 fndmu 6605 fnbr 6606 fnunres1 6610 fncofn 6615 fnco 6616 fnresdm 6617 fnresdisj 6618 fnssresb 6620 fn0 6629 fnimadisj 6630 fnimaeq0 6631 f1odm 6784 fvelimab 6912 fvun1 6931 eqfnfv2 6984 fndmdif 6994 fneqeql2 6999 elpreima 7010 fsn2 7089 fnsnbg 7119 fnprb 7163 fntpb 7164 fconst3 7168 fconst4 7169 fnfvima 7188 ralima 7192 fnunirn 7208 dff13 7209 nvof1o 7235 oprssov 7536 fnexALT 7904 curry1 8054 curry1val 8055 curry2 8057 curry2val 8059 fparlem3 8064 fparlem4 8065 offsplitfpar 8069 suppvalfng 8117 suppvalfn 8118 suppfnss 8139 fnsuppres 8141 tposfo2 8199 frrlem3 8238 frrlem4 8239 smodm2 8295 smoel2 8303 tfrlem8 8323 tfrlem9 8324 tfrlem9a 8325 tfrlem13 8329 tz7.44-3 8347 rdglim 8365 frsucmptn 8378 oaabs2 8585 omabs 8587 ixpprc 8867 undifixp 8882 bren 8903 fndmeng 8982 tfsnfin2 9273 inf0 9542 r1lim 9696 jech9.3 9738 ssrankr1 9759 rankuni 9787 dfac3 10043 cfsmolem 10192 fin23lem31 10265 itunitc1 10342 ituniiun 10344 fnct 10459 cfpwsdom 10507 grur1 10743 genpdm 10925 fsuppmapnn0fiublem 13952 fsuppmapnn0fiub 13953 hashfn 14337 cshimadifsn 14791 cshimadifsn0 14792 shftfn 15035 rlimi2 15476 phimullem 16749 restsspw 17394 prdsdsval 17441 fnpr2ob 17522 sscpwex 17782 sscfn1 17784 sscfn2 17785 isssc 17787 funcres 17863 xpcbas 18144 xpchomfval 18145 gsumpropd2lem 18647 psgndmsubg 19477 dsmmbas2 21717 dsmmelbas 21719 islindf4 21818 restbas 23123 ptval 23535 kqcldsat 23698 kqnrmlem1 23708 kqnrmlem2 23709 hmphtop 23743 ustn0 24186 uniiccdif 25545 cpncn 25903 cpnres 25904 ulmf2 26349 tglngne 28618 uhgrn0 29136 upgrfn 29156 upgrex 29161 umgrfn 29168 fcoinver 32674 fresunsn 32698 nfpconfp 32705 opprabs 33542 mdetpmtr1 33967 coinflipspace 34625 bnj945 34916 bnj545 35037 bnj548 35039 bnj570 35047 bnj900 35071 bnj929 35078 bnj983 35093 bnj1018g 35105 bnj1018 35106 bnj1110 35124 bnj1145 35135 bnj1245 35156 bnj1253 35159 bnj1286 35161 bnj1280 35162 bnj1296 35163 bnj1311 35166 bnj1450 35192 bnj1498 35203 bnj1514 35205 bnj1501 35209 dfrdg2 35975 heibor1lem 38130 aks6d1c2lem4 42566 eqresfnbd 42673 aomclem6 43487 tfsconcatun 43765 tfsconcatb0 43772 tfsconcat0i 43773 tfsconcat0b 43774 tfsconcatrev 43776 tfsnfin 43780 ntrclsfv1 44482 ntrneifv1 44506 fnresdmss 45598 dmmptif 45695 fnresfnco 47489 fnfocofob 47527 fnbrafvb 47602 uniimaprimaeqfv 47842 elsetpreimafvssdm 47846 imasetpreimafvbijlemfo 47865 fnxpdmdm 48636 plusfreseq 48640 dmdm 49528 |
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