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| 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 6635 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6596 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2113 Vcvv 3440 ↦ cmpt 5179 dom cdm 5624 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-fun 6494 df-fn 6495 |
| This theorem is referenced by: fvmptex 6955 resfunexg 7161 brtpos2 8174 pwfilem 9218 inlresf 9826 inrresf 9828 vdwlem8 16916 oppccatf 17651 lubdm 18272 glbdm 18285 mndpsuppss 18690 dprd2dlem2 19971 dprd2dlem1 19972 dprd2da 19973 ablfac1c 20002 ablfac1eu 20004 ablfaclem2 20017 ablfaclem3 20018 elocv 21623 dmtopon 22867 dfac14 23562 kqtop 23689 symgtgp 24050 eltsms 24077 ressprdsds 24315 minveclem1 25380 isi1f 25631 itg1val 25640 cmvth 25951 cmvthOLD 25952 mvth 25953 lhop2 25976 dvfsumabs 25985 dvfsumrlim2 25995 taylthlem1 26337 taylthlem2 26338 taylthlem2OLD 26339 ulmdvlem1 26365 pige3ALT 26485 relogcn 26603 atandm 26842 atanf 26846 atancn 26902 dmarea 26923 dfarea 26926 efrlim 26935 efrlimOLD 26936 lgamgulmlem2 26996 dchrptlem2 27232 dchrptlem3 27233 dchrisum0 27487 nosupno 27671 nosupdm 27672 nosupbday 27673 nosupres 27675 nosupbnd1lem1 27676 noinfno 27686 noinfdm 27687 incistruhgr 29152 vsfval 30708 ipasslem8 30912 minvecolem1 30949 xppreima2 32729 ofpreima 32743 rmfsupp2 33320 zarclsint 34029 zartopn 34032 zarmxt1 34037 zarcmplem 34038 dmsigagen 34301 measbase 34354 sseqf 34549 ballotlem7 34693 bj-inftyexpitaudisj 37410 bj-inftyexpidisj 37415 bj-elccinfty 37419 bj-minftyccb 37430 fin2so 37808 poimirlem30 37851 poimir 37854 dvtan 37871 itg2addnclem2 37873 ftc1anclem6 37899 totbndbnd 37990 tfsconcatrev 43600 comptiunov2i 43957 lhe4.4ex1a 44580 dvsinax 46167 fourierdlem62 46422 fourierdlem70 46430 fourierdlem71 46431 fourierdlem80 46440 fouriersw 46485 smflimsuplem1 47074 smflimsuplem4 47077 scmsuppss 48627 lincext2 48711 idfurcl 49353 reldmprcof1 49636 reldmlmd2 49908 reldmcmd2 49909 aacllem 50056 |
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