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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 6503 | . 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 5632 Fun wfun 6494 Fn wfn 6495 |
| 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 6503 |
| This theorem is referenced by: fndmi 6604 fndmd 6605 funfni 6606 fndmu 6607 fnbr 6608 fnunres1 6612 fncofn 6617 fnco 6618 fnresdm 6619 fnresdisj 6620 fnssresb 6622 fn0 6631 fnimadisj 6632 fnimaeq0 6633 f1odm 6786 fvelimab 6914 fvun1 6933 eqfnfv2 6986 fndmdif 6996 fneqeql2 7001 elpreima 7012 fsn2 7091 fnsnbg 7120 fnprb 7164 fntpb 7165 fconst3 7169 fconst4 7170 fnfvima 7189 ralima 7193 fnunirn 7209 dff13 7210 nvof1o 7236 oprssov 7537 fnexALT 7905 curry1 8056 curry1val 8057 curry2 8059 curry2val 8061 fparlem3 8066 fparlem4 8067 offsplitfpar 8071 suppvalfng 8119 suppvalfn 8120 suppfnss 8141 fnsuppres 8143 tposfo2 8201 frrlem3 8240 frrlem4 8241 smodm2 8297 smoel2 8305 tfrlem8 8325 tfrlem9 8326 tfrlem9a 8327 tfrlem13 8331 tz7.44-3 8349 rdglim 8367 frsucmptn 8380 oaabs2 8587 omabs 8589 ixpprc 8869 undifixp 8884 bren 8905 fndmeng 8984 tfsnfin2 9275 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 13925 fsuppmapnn0fiub 13926 hashfn 14310 cshimadifsn 14764 cshimadifsn0 14765 shftfn 15008 rlimi2 15449 phimullem 16718 restsspw 17363 prdsdsval 17410 fnpr2ob 17491 sscpwex 17751 sscfn1 17753 sscfn2 17754 isssc 17756 funcres 17832 xpcbas 18113 xpchomfval 18114 gsumpropd2lem 18616 psgndmsubg 19443 dsmmbas2 21704 dsmmelbas 21706 islindf4 21805 restbas 23114 ptval 23526 kqcldsat 23689 kqnrmlem1 23699 kqnrmlem2 23700 hmphtop 23734 ustn0 24177 uniiccdif 25547 cpncn 25906 cpnres 25907 ulmf2 26361 tglngne 28634 uhgrn0 29152 upgrfn 29172 upgrex 29177 umgrfn 29184 fcoinver 32691 fresunsn 32715 nfpconfp 32722 opprabs 33575 mdetpmtr1 34001 coinflipspace 34659 bnj945 34950 bnj545 35071 bnj548 35073 bnj570 35081 bnj900 35105 bnj929 35112 bnj983 35127 bnj1018g 35139 bnj1018 35140 bnj1110 35158 bnj1145 35169 bnj1245 35190 bnj1253 35193 bnj1286 35195 bnj1280 35196 bnj1296 35197 bnj1311 35200 bnj1450 35226 bnj1498 35237 bnj1514 35239 bnj1501 35243 dfrdg2 36009 heibor1lem 38060 aks6d1c2lem4 42497 eqresfnbd 42604 aomclem6 43416 tfsconcatun 43694 tfsconcatb0 43701 tfsconcat0i 43702 tfsconcat0b 43703 tfsconcatrev 43705 tfsnfin 43709 ntrclsfv1 44411 ntrneifv1 44435 fnresdmss 45527 dmmptif 45624 fnresfnco 47401 fnfocofob 47439 fnbrafvb 47514 uniimaprimaeqfv 47742 elsetpreimafvssdm 47746 imasetpreimafvbijlemfo 47765 fnxpdmdm 48520 plusfreseq 48524 dmdm 49412 |
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