| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6569 | . 2 ⊢ (𝐹 Fn 𝐴 ↔ (Fun 𝐹 ∧ dom 𝐹 = 𝐴)) | |
| 2 | 1 | simprbi 503 | 1 ⊢ (𝐹 Fn 𝐴 → dom 𝐹 = 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 dom cdm 5658 Fun wfun 6560 Fn wfn 6561 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 402 df-fn 6569 |
| This theorem is used by: fndmi 6673 fndmd 6674 funfni 6675 fndmu 6676 fnbr 6677 fnunres1 6681 fncofn 6686 fnco 6687 fnresdm 6688 fnresdisj 6689 fnssresb 6691 fn0 6700 fnimadisj 6701 fnimaeq0 6702 f1odmOLD 6859 fvelimab 6988 fvun1 7007 eqfnfv2 7061 fndmdif 7072 fneqeql2 7077 elpreima 7088 elpreimaOLD 7089 fsn2 7169 fnsnbg 7201 fnprb 7245 fntpb 7246 fconst3 7250 fconst4 7251 fnfvima 7270 ralima 7274 fnunirn 7288 dff13 7289 nvof1o 7319 oprssov 7622 fnexALT 7997 curry1 8152 curry1val 8153 curry2 8155 curry2val 8157 fparlem3 8162 fparlem4 8163 offsplitfpar 8167 suppvalfng 8222 suppvalfn 8223 suppfnss 8244 fnsuppres 8246 tposfo2 8304 frrlem3 8344 frrlem4 8345 smodm2 8401 smoel2 8409 tfrlem8 8430 tfrlem9 8431 tfrlem9a 8432 tfrlem13 8436 tz7.44-3 8454 rdglim 8472 frsucmptn 8485 oaabs2 8696 omabs 8698 ixpprc 8985 undifixp 9000 bren 9021 fndmeng 9101 tfsnfin2 9390 inf0 9659 jech9.3OLD 9860 ssrankr1 9884 rankuni 9916 dfac3 10239 cfsmolem 10387 fin23lem31 10460 itunitc1 10537 ituniiun 10539 fnct 10659 fnctOLD 10660 cfpwsdom 10708 grur1 10944 genpdm 11126 fsuppmapnn0fiublem 14173 fsuppmapnn0fiub 14174 hashfn 14560 cshimadifsn 15022 cshimadifsn0 15023 shftfn 15269 rlimi2 15725 phimullem 17000 restsspw 17652 prdsdsval 17699 fnpr2ob 17780 sscpwex 18040 sscfn1 18042 sscfn2 18043 isssc 18045 funcres 18121 xpcbas 18402 xpchomfval 18403 gsumpropd2lem 18918 psgndmsubg 19767 dsmmbas2 22098 dsmmelbas 22100 islindf4 22199 restbas 23531 ptval 23944 kqcldsat 24107 kqnrmlem1 24117 kqnrmlem2 24118 hmphtop 24152 ustn0 24595 uniiccdif 25954 cpncn 26311 cpnres 26312 ulmf2 26768 tglngne 29070 uhgrn0 29702 upgrfn 29722 upgrex 29727 umgrfn 29734 fcoinver 33296 fresunsn 33317 nfpconfp 33324 opprabs 34110 mdetpmtr1 34566 coinflipspace 35224 bnj945 35515 bnj545 35636 bnj548 35638 bnj570 35646 bnj900 35670 bnj929 35677 bnj983 35692 bnj1018g 35704 bnj1018 35705 bnj1110 35723 bnj1145 35734 bnj1245 35755 bnj1253 35758 bnj1286 35760 bnj1280 35761 bnj1296 35762 bnj1311 35765 bnj1450 35791 bnj1498 35802 bnj1514 35804 bnj1501 35808 dfrdg2 36772 heibor1lem 39009 aks6d1c2lem4 43443 eqresfnbd 43553 aomclem6 44327 tfsconcatun 44600 tfsconcatb0 44607 tfsconcat0i 44608 tfsconcat0b 44609 tfsconcatrev 44611 tfsnfin 44615 ntrclsfv1 45316 ntrneifv1 45340 fnresdmss 46456 dmmptif 46551 fnresfnco 48384 fnfocofob 48422 fnbrafvb 48497 uniimaprimaeqfv 48737 elsetpreimafvssdm 48741 imasetpreimafvbijlemfo 48760 fnxpdmdm 49530 plusfreseq 49534 dmdm 50498 |
| Copyright terms: Public domain | W3C validator |