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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 6664 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6625 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1560 ∈ wcel 2142 Vcvv 3454 ↦ cmpt 5181 dom cdm 5647 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-pr 5390 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-fun 6523 df-fn 6524 |
| This theorem is referenced by: fvmptex 6990 resfunexg 7199 brtpos2 8212 pwfilem 9262 inlresf 9872 inrresf 9874 sgndm 15109 vdwlem8 17024 oppccatf 17760 lubdm 18381 glbdm 18394 mndpsuppss 18799 dprd2dlem2 20082 dprd2dlem1 20083 dprd2da 20084 ablfac1c 20113 ablfac1eu 20115 ablfaclem2 20128 ablfaclem3 20129 elocv 21720 dmtopon 22983 dfac14 23678 kqtop 23805 symgtgp 24166 eltsms 24193 ressprdsds 24431 minveclem1 25486 isi1f 25736 itg1val 25745 cmvth 26053 mvth 26054 lhop2 26077 dvfsumabs 26085 dvfsumrlim2 26094 taylthlem1 26436 taylthlem2 26437 ulmdvlem1 26463 pige3ALT 26585 relogcn 26703 atandm 26941 atanf 26945 atancn 27001 dmarea 27022 dfarea 27025 efrlim 27034 lgamgulmlem2 27094 dchrptlem2 27329 dchrptlem3 27330 dchrisum0 27584 nosupno 27767 nosupdm 27768 nosupbday 27769 nosupres 27771 nosupbnd1lem1 27772 noinfno 27782 noinfdm 27783 incistruhgr 29280 vsfval 30836 ipasslem8 31040 minvecolem1 31077 xppreima2 32853 ofpreima 32867 rmfsupp2 33418 zarclsint 34169 zartopn 34172 zarmxt1 34177 zarcmplem 34178 dmsigagen 34441 measbase 34494 sseqf 34689 ballotlem7 34833 bj-inftyexpitaudisj 37697 bj-inftyexpidisj 37702 bj-elccinfty 37706 bj-minftyccb 37717 fin2so 38106 poimirlem30 38149 poimir 38152 dvtan 38169 itg2addnclem2 38171 ftc1anclem6 38197 totbndbnd 38288 tfsconcatrev 43925 comptiunov2i 44282 lhe4.4ex1a 44905 dvsinax 46487 fourierdlem62 46742 fourierdlem70 46750 fourierdlem71 46751 fourierdlem80 46760 fouriersw 46805 smflimsuplem1 47394 smflimsuplem4 47397 scmsuppss 48993 lincext2 49077 idfurcl 49719 reldmprcof1 50002 reldmlmd2 50274 reldmcmd2 50275 aacllem 50422 |
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