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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 6540 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 502 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 dom cdm 5662 Fun wfun 6531 Fn wfn 6532 |
| 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 210 df-an 401 df-fn 6540 |
| This theorem is referenced by: fndmi 6640 fndmd 6641 funfni 6642 fndmu 6643 fnbr 6644 fnunres1 6648 fncofn 6653 fnco 6654 fnresdm 6655 fnresdisj 6656 fnssresb 6658 fn0 6667 fnimadisj 6668 fnimaeq0 6669 f1odmOLD 6826 fvelimab 6954 fvun1 6973 eqfnfv2 7027 fndmdif 7038 fneqeql2 7043 elpreima 7054 fsn2 7133 fnsnbg 7163 fnprb 7207 fntpb 7208 fconst3 7212 fconst4 7213 fnfvima 7232 ralima 7236 fnunirn 7252 dff13 7253 nvof1o 7279 oprssov 7580 fnexALT 7947 curry1 8098 curry1val 8099 curry2 8101 curry2val 8103 fparlem3 8108 fparlem4 8109 offsplitfpar 8113 suppvalfng 8162 suppvalfn 8163 suppfnss 8184 fnsuppres 8186 tposfo2 8244 frrlem3 8284 frrlem4 8285 smodm2 8341 smoel2 8349 tfrlem8 8370 tfrlem9 8371 tfrlem9a 8372 tfrlem13 8376 tz7.44-3 8394 rdglim 8412 frsucmptn 8425 oaabs2 8634 omabs 8636 ixpprc 8916 undifixp 8931 bren 8952 fndmeng 9031 tfsnfin2 9319 inf0 9589 r1lim 9743 jech9.3 9785 ssrankr1 9806 rankuni 9834 dfac3 10104 cfsmolem 10253 fin23lem31 10326 itunitc1 10403 ituniiun 10405 fnct 10520 cfpwsdom 10568 grur1 10804 genpdm 10986 fsuppmapnn0fiublem 14025 fsuppmapnn0fiub 14026 hashfn 14410 cshimadifsn 14865 cshimadifsn0 14866 shftfn 15109 rlimi2 15564 phimullem 16837 restsspw 17483 prdsdsval 17530 fnpr2ob 17611 sscpwex 17871 sscfn1 17873 sscfn2 17874 isssc 17876 funcres 17952 xpcbas 18233 xpchomfval 18234 gsumpropd2lem 18736 psgndmsubg 19571 dsmmbas2 21855 dsmmelbas 21857 islindf4 21956 restbas 23283 ptval 23695 kqcldsat 23858 kqnrmlem1 23868 kqnrmlem2 23869 hmphtop 23903 ustn0 24346 uniiccdif 25705 cpncn 26063 cpnres 26064 ulmf2 26512 tglngne 28784 uhgrn0 29357 upgrfn 29377 upgrex 29382 umgrfn 29389 fcoinver 32889 fresunsn 32910 nfpconfp 32917 opprabs 33708 mdetpmtr1 34157 coinflipspace 34815 bnj945 35106 bnj545 35227 bnj548 35229 bnj570 35237 bnj900 35261 bnj929 35268 bnj983 35283 bnj1018g 35295 bnj1018 35296 bnj1110 35314 bnj1145 35325 bnj1245 35346 bnj1253 35349 bnj1286 35351 bnj1280 35352 bnj1296 35353 bnj1311 35356 bnj1450 35382 bnj1498 35393 bnj1514 35395 bnj1501 35399 dfrdg2 36183 heibor1lem 38347 aks6d1c2lem4 42783 eqresfnbd 42892 aomclem6 43677 tfsconcatun 43955 tfsconcatb0 43962 tfsconcat0i 43963 tfsconcat0b 43964 tfsconcatrev 43966 tfsnfin 43970 ntrclsfv1 44672 ntrneifv1 44696 fnresdmss 45777 dmmptif 45872 fnresfnco 47666 fnfocofob 47704 fnbrafvb 47779 uniimaprimaeqfv 48019 elsetpreimafvssdm 48023 imasetpreimafvbijlemfo 48042 fnxpdmdm 48813 plusfreseq 48817 dmdm 49715 |
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