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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 6628 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6589 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∈ wcel 2119 Vcvv 3431 ↦ cmpt 5153 dom cdm 5618 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-fun 6487 df-fn 6488 |
| This theorem is referenced by: fvmptex 6950 resfunexg 7159 brtpos2 8172 pwfilem 9218 inlresf 9829 inrresf 9831 vdwlem8 16950 oppccatf 17685 lubdm 18306 glbdm 18319 mndpsuppss 18724 dprd2dlem2 20008 dprd2dlem1 20009 dprd2da 20010 ablfac1c 20039 ablfac1eu 20041 ablfaclem2 20054 ablfaclem3 20055 elocv 21643 dmtopon 22906 dfac14 23601 kqtop 23728 symgtgp 24089 eltsms 24116 ressprdsds 24354 minveclem1 25409 isi1f 25659 itg1val 25668 cmvth 25976 mvth 25977 lhop2 26000 dvfsumabs 26008 dvfsumrlim2 26017 taylthlem1 26356 taylthlem2 26357 ulmdvlem1 26383 pige3ALT 26502 relogcn 26620 atandm 26858 atanf 26862 atancn 26918 dmarea 26939 dfarea 26942 efrlim 26951 lgamgulmlem2 27011 dchrptlem2 27246 dchrptlem3 27247 dchrisum0 27501 nosupno 27685 nosupdm 27686 nosupbday 27687 nosupres 27689 nosupbnd1lem1 27690 noinfno 27700 noinfdm 27701 incistruhgr 29166 vsfval 30722 ipasslem8 30926 minvecolem1 30963 xppreima2 32743 ofpreima 32757 rmfsupp2 33319 zarclsint 34056 zartopn 34059 zarmxt1 34064 zarcmplem 34065 dmsigagen 34328 measbase 34381 sseqf 34576 ballotlem7 34720 bj-inftyexpitaudisj 37565 bj-inftyexpidisj 37570 bj-elccinfty 37574 bj-minftyccb 37585 fin2so 37974 poimirlem30 38017 poimir 38020 dvtan 38037 itg2addnclem2 38039 ftc1anclem6 38065 totbndbnd 38156 tfsconcatrev 43793 comptiunov2i 44150 lhe4.4ex1a 44773 dvsinax 46356 fourierdlem62 46611 fourierdlem70 46619 fourierdlem71 46620 fourierdlem80 46629 fouriersw 46674 smflimsuplem1 47263 smflimsuplem4 47266 scmsuppss 48862 lincext2 48946 idfurcl 49588 reldmprcof1 49871 reldmlmd2 50143 reldmcmd2 50144 aacllem 50291 |
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