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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 6636 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6597 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 Vcvv 3430 ↦ cmpt 5167 dom cdm 5625 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-pr 5371 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-fun 6495 df-fn 6496 |
| This theorem is referenced by: fvmptex 6957 resfunexg 7164 brtpos2 8176 pwfilem 9222 inlresf 9832 inrresf 9834 vdwlem8 16953 oppccatf 17688 lubdm 18309 glbdm 18322 mndpsuppss 18727 dprd2dlem2 20011 dprd2dlem1 20012 dprd2da 20013 ablfac1c 20042 ablfac1eu 20044 ablfaclem2 20057 ablfaclem3 20058 elocv 21661 dmtopon 22901 dfac14 23596 kqtop 23723 symgtgp 24084 eltsms 24111 ressprdsds 24349 minveclem1 25404 isi1f 25654 itg1val 25663 cmvth 25971 mvth 25972 lhop2 25995 dvfsumabs 26003 dvfsumrlim2 26012 taylthlem1 26353 taylthlem2 26354 taylthlem2OLD 26355 ulmdvlem1 26381 pige3ALT 26500 relogcn 26618 atandm 26856 atanf 26860 atancn 26916 dmarea 26937 dfarea 26940 efrlim 26949 efrlimOLD 26950 lgamgulmlem2 27010 dchrptlem2 27245 dchrptlem3 27246 dchrisum0 27500 nosupno 27684 nosupdm 27685 nosupbday 27686 nosupres 27688 nosupbnd1lem1 27689 noinfno 27699 noinfdm 27700 incistruhgr 29165 vsfval 30722 ipasslem8 30926 minvecolem1 30963 xppreima2 32742 ofpreima 32756 rmfsupp2 33317 zarclsint 34035 zartopn 34038 zarmxt1 34043 zarcmplem 34044 dmsigagen 34307 measbase 34360 sseqf 34555 ballotlem7 34699 bj-inftyexpitaudisj 37538 bj-inftyexpidisj 37543 bj-elccinfty 37547 bj-minftyccb 37558 fin2so 37945 poimirlem30 37988 poimir 37991 dvtan 38008 itg2addnclem2 38010 ftc1anclem6 38036 totbndbnd 38127 tfsconcatrev 43797 comptiunov2i 44154 lhe4.4ex1a 44777 dvsinax 46362 fourierdlem62 46617 fourierdlem70 46625 fourierdlem71 46626 fourierdlem80 46635 fouriersw 46680 smflimsuplem1 47269 smflimsuplem4 47272 scmsuppss 48862 lincext2 48946 idfurcl 49588 reldmprcof1 49871 reldmlmd2 50143 reldmcmd2 50144 aacllem 50291 |
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