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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 6678 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6639 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1570 ∈ wcel 2143 Vcvv 3455 ↦ cmpt 5192 dom cdm 5661 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-fun 6538 df-fn 6539 |
| This theorem is referenced by: fvmptex 7004 resfunexg 7213 brtpos2 8224 pwfilem 9273 inlresf 9896 inrresf 9898 sgndm 15129 vdwlem8 17043 oppccatf 17779 lubdm 18400 glbdm 18413 mndpsuppss 18818 dprd2dlem2 20107 dprd2dlem1 20108 dprd2da 20109 ablfac1c 20138 ablfac1eu 20140 ablfaclem2 20153 ablfaclem3 20154 elocv 21818 dmtopon 23080 dfac14 23775 kqtop 23902 symgtgp 24263 eltsms 24290 ressprdsds 24528 minveclem1 25583 isi1f 25833 itg1val 25842 cmvth 26150 mvth 26151 lhop2 26174 dvfsumabs 26182 dvfsumrlim2 26191 taylthlem1 26536 taylthlem2 26537 ulmdvlem1 26563 pige3ALT 26685 relogcn 26803 atandm 27041 atanf 27045 atancn 27101 dmarea 27122 dfarea 27125 efrlim 27134 lgamgulmlem2 27194 dchrptlem2 27429 dchrptlem3 27430 dchrisum0 27684 nosupno 27867 nosupdm 27868 nosupbday 27869 nosupres 27871 nosupbnd1lem1 27872 noinfno 27882 noinfdm 27883 incistruhgr 29429 vsfval 30985 ipasslem8 31189 minvecolem1 31226 xppreima2 32996 ofpreima 33010 rmfsupp2 33557 zarclsint 34262 zartopn 34265 zarmxt1 34270 zarcmplem 34271 dmsigagen 34534 measbase 34587 sseqf 34782 ballotlem7 34926 bj-inftyexpitaudisj 37849 bj-inftyexpidisj 37854 bj-elccinfty 37858 bj-minftyccb 37869 fin2so 38258 poimirlem30 38301 poimir 38304 dvtan 38321 itg2addnclem2 38323 ftc1anclem6 38349 totbndbnd 38440 tfsconcatrev 44075 comptiunov2i 44432 lhe4.4ex1a 45039 dvsinax 46627 fourierdlem62 46882 fourierdlem70 46890 fourierdlem71 46891 fourierdlem80 46900 fouriersw 46945 smflimsuplem1 47534 smflimsuplem4 47537 scmsuppss 49151 lincext2 49235 idfurcl 49876 reldmprcof1 50159 reldmlmd2 50431 reldmcmd2 50432 aacllem 50621 |
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