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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 6495 | . 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 5624 Fun wfun 6486 Fn wfn 6487 |
| 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 6495 |
| This theorem is referenced by: fndmi 6596 fndmd 6597 funfni 6598 fndmu 6599 fnbr 6600 fnunres1 6604 fncofn 6609 fnco 6610 fnresdm 6611 fnresdisj 6612 fnssresb 6614 fn0 6623 fnimadisj 6624 fnimaeq0 6625 f1odm 6778 fvelimab 6906 fvun1 6925 eqfnfv2 6977 fndmdif 6987 fneqeql2 6992 elpreima 7003 fsn2 7081 fnsnbg 7110 fnprb 7154 fntpb 7155 fconst3 7159 fconst4 7160 fnfvima 7179 ralima 7183 fnunirn 7199 dff13 7200 nvof1o 7226 oprssov 7527 fnexALT 7895 curry1 8046 curry1val 8047 curry2 8049 curry2val 8051 fparlem3 8056 fparlem4 8057 offsplitfpar 8061 suppvalfng 8109 suppvalfn 8110 suppfnss 8131 fnsuppres 8133 tposfo2 8191 frrlem3 8230 frrlem4 8231 smodm2 8287 smoel2 8295 tfrlem8 8315 tfrlem9 8316 tfrlem9a 8317 tfrlem13 8321 tz7.44-3 8339 rdglim 8357 frsucmptn 8370 oaabs2 8577 omabs 8579 ixpprc 8857 undifixp 8872 bren 8893 fndmeng 8972 tfsnfin2 9263 inf0 9530 r1lim 9684 jech9.3 9726 ssrankr1 9747 rankuni 9775 dfac3 10031 cfsmolem 10180 fin23lem31 10253 itunitc1 10330 ituniiun 10332 fnct 10447 cfpwsdom 10495 grur1 10731 genpdm 10913 fsuppmapnn0fiublem 13913 fsuppmapnn0fiub 13914 hashfn 14298 cshimadifsn 14752 cshimadifsn0 14753 shftfn 14996 rlimi2 15437 phimullem 16706 restsspw 17351 prdsdsval 17398 fnpr2ob 17479 sscpwex 17739 sscfn1 17741 sscfn2 17742 isssc 17744 funcres 17820 xpcbas 18101 xpchomfval 18102 gsumpropd2lem 18604 psgndmsubg 19431 dsmmbas2 21692 dsmmelbas 21694 islindf4 21793 restbas 23102 ptval 23514 kqcldsat 23677 kqnrmlem1 23687 kqnrmlem2 23688 hmphtop 23722 ustn0 24165 uniiccdif 25535 cpncn 25894 cpnres 25895 ulmf2 26349 tglngne 28622 uhgrn0 29140 upgrfn 29160 upgrex 29165 umgrfn 29172 fcoinver 32679 fresunsn 32703 nfpconfp 32710 opprabs 33563 mdetpmtr1 33980 coinflipspace 34638 bnj945 34929 bnj545 35051 bnj548 35053 bnj570 35061 bnj900 35085 bnj929 35092 bnj983 35107 bnj1018g 35119 bnj1018 35120 bnj1110 35138 bnj1145 35149 bnj1245 35170 bnj1253 35173 bnj1286 35175 bnj1280 35176 bnj1296 35177 bnj1311 35180 bnj1450 35206 bnj1498 35217 bnj1514 35219 bnj1501 35223 dfrdg2 35987 heibor1lem 38010 aks6d1c2lem4 42381 eqresfnbd 42488 aomclem6 43301 tfsconcatun 43579 tfsconcatb0 43586 tfsconcat0i 43587 tfsconcat0b 43588 tfsconcatrev 43590 tfsnfin 43594 ntrclsfv1 44296 ntrneifv1 44320 fnresdmss 45412 dmmptif 45510 fnresfnco 47287 fnfocofob 47325 fnbrafvb 47400 uniimaprimaeqfv 47628 elsetpreimafvssdm 47632 imasetpreimafvbijlemfo 47651 fnxpdmdm 48406 plusfreseq 48410 dmdm 49298 |
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