| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > dmmpti | Structured version Visualization version GIF version | ||
| Description: Domain of the mapping operation. (Contributed by NM, 6-Sep-2005.) (Revised by Mario Carneiro, 31-Aug-2015.) |
| Ref | Expression |
|---|---|
| fnmpti.1 | ⊢ 𝐵 ∈ V |
| fnmpti.2 | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
| Ref | Expression |
|---|---|
| dmmpti | ⊢ dom 𝐹 = 𝐴 |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnmpti.1 | . . 3 ⊢ 𝐵 ∈ V | |
| 2 | fnmpti.2 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 3 | 1, 2 | fnmpti 6681 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6642 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 Vcvv 3463 ↦ cmpt 5196 dom cdm 5664 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pr 5407 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5559 df-xp 5670 df-rel 5671 df-cnv 5672 df-co 5673 df-dm 5674 df-fun 6541 df-fn 6542 |
| This theorem is referenced by: fvmptex 7007 resfunexg 7216 brtpos2 8230 pwfilem 9279 inlresf 9902 inrresf 9904 sgndm 15135 vdwlem8 17050 oppccatf 17786 lubdm 18407 glbdm 18420 mndpsuppss 18825 dprd2dlem2 20114 dprd2dlem1 20115 dprd2da 20116 ablfac1c 20145 ablfac1eu 20147 ablfaclem2 20160 ablfaclem3 20161 elocv 21789 dmtopon 23051 dfac14 23746 kqtop 23873 symgtgp 24234 eltsms 24261 ressprdsds 24499 minveclem1 25554 isi1f 25804 itg1val 25813 cmvth 26121 mvth 26122 lhop2 26145 dvfsumabs 26153 dvfsumrlim2 26162 taylthlem1 26504 taylthlem2 26505 ulmdvlem1 26531 pige3ALT 26653 relogcn 26771 atandm 27009 atanf 27013 atancn 27069 dmarea 27090 dfarea 27093 efrlim 27102 lgamgulmlem2 27162 dchrptlem2 27397 dchrptlem3 27398 dchrisum0 27652 nosupno 27835 nosupdm 27836 nosupbday 27837 nosupres 27839 nosupbnd1lem1 27840 noinfno 27850 noinfdm 27851 incistruhgr 29372 vsfval 30928 ipasslem8 31132 minvecolem1 31169 xppreima2 32939 ofpreima 32953 rmfsupp2 33500 zarclsint 34209 zartopn 34212 zarmxt1 34217 zarcmplem 34218 dmsigagen 34481 measbase 34534 sseqf 34729 ballotlem7 34873 bj-inftyexpitaudisj 37774 bj-inftyexpidisj 37779 bj-elccinfty 37783 bj-minftyccb 37794 fin2so 38183 poimirlem30 38226 poimir 38229 dvtan 38246 itg2addnclem2 38248 ftc1anclem6 38274 totbndbnd 38365 tfsconcatrev 44004 comptiunov2i 44361 lhe4.4ex1a 44968 dvsinax 46556 fourierdlem62 46811 fourierdlem70 46819 fourierdlem71 46820 fourierdlem80 46829 fouriersw 46874 smflimsuplem1 47463 smflimsuplem4 47466 scmsuppss 49073 lincext2 49157 idfurcl 49798 reldmprcof1 50081 reldmlmd2 50353 reldmcmd2 50354 aacllem 50512 |
| Copyright terms: Public domain | W3C validator |