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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 6712 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6673 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2147 Vcvv 3454 ↦ cmpt 5192 dom cdm 5658 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-fun 6568 df-fn 6569 |
| This theorem is used by: fvmptex 7039 resfunexg 7252 brtpos2 8287 pwfilem 9347 inlresf 10032 inrresf 10034 sgndm 15292 vdwlem8 17210 oppccatf 17952 lubdm 18573 glbdm 18586 mndpsuppss 19009 dprd2dlem2 20307 dprd2dlem1 20308 dprd2da 20309 ablfac1c 20338 ablfac1eu 20340 ablfaclem2 20353 ablfaclem3 20354 elocv 22029 dmtopon 23296 dfac14 23992 kqtop 24119 symgtgp 24480 eltsms 24507 ressprdsds 24745 minveclem1 25800 isi1f 26050 itg1val 26059 cmvth 26366 mvth 26367 lhop2 26390 dvfsumabs 26398 dvfsumrlim2 26407 taylthlem1 26757 taylthlem2 26758 ulmdvlem1 26784 pige3ALT 26905 relogcn 27023 atandm 27261 atanf 27265 atancn 27321 dmarea 27342 dfarea 27345 efrlim 27354 lgamgulmlem2 27414 dchrptlem2 27649 dchrptlem3 27650 dchrisum0 27904 nosupno 28117 nosupdm 28118 nosupbday 28119 nosupres 28121 nosupbnd1lem1 28122 noinfno 28132 noinfdm 28133 incistruhgr 29714 vsfval 31292 ipasslem8 31496 minvecolem1 31533 xppreima2 33343 ofpreima 33357 rmfsupp2 33897 zarclsint 34615 zartopn 34618 zarmxt1 34623 zarcmplem 34624 dmsigagen 34888 measbase 34941 sseqf 35135 ballotlem7 35279 bj-inftyexpitaudisj 38394 bj-inftyexpidisj 38399 bj-elccinfty 38403 bj-minftyccb 38414 fin2so 38798 poimirlem30 38836 poimir 38839 dvtan 38856 itg2addnclem2 38858 ftc1anclem6 38884 totbndbnd 38989 tfsconcatrev 44611 comptiunov2i 44967 lhe4.4ex1a 45574 dvsinax 47196 fourierdlem62 47451 fourierdlem70 47459 fourierdlem71 47460 fourierdlem80 47469 fouriersw 47514 smflimsuplem1 48103 smflimsuplem4 48106 scmsuppss 49814 lincext2 49898 idfurcl 50545 reldmprcof1 50847 reldmlmd2 51167 reldmcmd2 51168 aacllem 51367 |
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