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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 6493 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 496 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 dom cdm 5622 Fun wfun 6484 Fn wfn 6485 |
| 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 6493 |
| This theorem is referenced by: fndmi 6594 fndmd 6595 funfni 6596 fndmu 6597 fnbr 6598 fnunres1 6602 fncofn 6607 fnco 6608 fnresdm 6609 fnresdisj 6610 fnssresb 6612 fn0 6621 fnimadisj 6622 fnimaeq0 6623 f1odm 6776 fvelimab 6904 fvun1 6923 eqfnfv2 6975 fndmdif 6985 fneqeql2 6990 elpreima 7001 fsn2 7079 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 8044 curry1val 8045 curry2 8047 curry2val 8049 fparlem3 8054 fparlem4 8055 offsplitfpar 8059 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 8855 undifixp 8870 bren 8891 fndmeng 8970 tfsnfin2 9261 inf0 9528 r1lim 9682 jech9.3 9724 ssrankr1 9745 rankuni 9773 dfac3 10029 cfsmolem 10178 fin23lem31 10251 itunitc1 10328 ituniiun 10330 fnct 10445 cfpwsdom 10493 grur1 10729 genpdm 10911 fsuppmapnn0fiublem 13911 fsuppmapnn0fiub 13912 hashfn 14296 cshimadifsn 14750 cshimadifsn0 14751 shftfn 14994 rlimi2 15435 phimullem 16704 restsspw 17349 prdsdsval 17396 fnpr2ob 17477 sscpwex 17737 sscfn1 17739 sscfn2 17740 isssc 17742 funcres 17818 xpcbas 18099 xpchomfval 18100 gsumpropd2lem 18602 psgndmsubg 19429 dsmmbas2 21690 dsmmelbas 21692 islindf4 21791 restbas 23100 ptval 23512 kqcldsat 23675 kqnrmlem1 23685 kqnrmlem2 23686 hmphtop 23720 ustn0 24163 uniiccdif 25533 cpncn 25892 cpnres 25893 ulmf2 26347 tglngne 28571 uhgrn0 29089 upgrfn 29109 upgrex 29114 umgrfn 29121 fcoinver 32628 fresunsn 32652 nfpconfp 32659 opprabs 33512 mdetpmtr1 33929 coinflipspace 34587 bnj945 34878 bnj545 35000 bnj548 35002 bnj570 35010 bnj900 35034 bnj929 35041 bnj983 35056 bnj1018g 35068 bnj1018 35069 bnj1110 35087 bnj1145 35098 bnj1245 35119 bnj1253 35122 bnj1286 35124 bnj1280 35125 bnj1296 35126 bnj1311 35129 bnj1450 35155 bnj1498 35166 bnj1514 35168 bnj1501 35172 dfrdg2 35936 heibor1lem 37949 aks6d1c2lem4 42320 eqresfnbd 42430 aomclem6 43243 tfsconcatun 43521 tfsconcatb0 43528 tfsconcat0i 43529 tfsconcat0b 43530 tfsconcatrev 43532 tfsnfin 43536 ntrclsfv1 44238 ntrneifv1 44262 fnresdmss 45354 dmmptif 45452 fnresfnco 47229 fnfocofob 47267 fnbrafvb 47342 uniimaprimaeqfv 47570 elsetpreimafvssdm 47574 imasetpreimafvbijlemfo 47593 fnxpdmdm 48348 plusfreseq 48352 dmdm 49240 |
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