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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 6676 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6637 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∈ wcel 2145 Vcvv 3450 ↦ cmpt 5186 dom cdm 5655 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-fun 6535 df-fn 6536 |
| This theorem is used by: fvmptex 7002 resfunexg 7215 brtpos2 8231 pwfilem 9288 inlresf 9920 inrresf 9922 sgndm 15170 vdwlem8 17081 oppccatf 17817 lubdm 18438 glbdm 18451 mndpsuppss 18873 dprd2dlem2 20170 dprd2dlem1 20171 dprd2da 20172 ablfac1c 20201 ablfac1eu 20203 ablfaclem2 20216 ablfaclem3 20217 elocv 21882 dmtopon 23149 dfac14 23845 kqtop 23972 symgtgp 24333 eltsms 24360 ressprdsds 24598 minveclem1 25653 isi1f 25903 itg1val 25912 cmvth 26219 mvth 26220 lhop2 26243 dvfsumabs 26251 dvfsumrlim2 26260 taylthlem1 26610 taylthlem2 26611 ulmdvlem1 26637 pige3ALT 26758 relogcn 26876 atandm 27114 atanf 27118 atancn 27174 dmarea 27195 dfarea 27198 efrlim 27207 lgamgulmlem2 27267 dchrptlem2 27502 dchrptlem3 27503 dchrisum0 27757 nosupno 27940 nosupdm 27941 nosupbday 27942 nosupres 27944 nosupbnd1lem1 27945 noinfno 27955 noinfdm 27956 incistruhgr 29537 vsfval 31115 ipasslem8 31319 minvecolem1 31356 xppreima2 33125 ofpreima 33139 rmfsupp2 33678 zarclsint 34383 zartopn 34386 zarmxt1 34391 zarcmplem 34392 dmsigagen 34656 measbase 34709 sseqf 34904 ballotlem7 35048 bj-inftyexpitaudisj 37958 bj-inftyexpidisj 37963 bj-elccinfty 37967 bj-minftyccb 37978 fin2so 38362 poimirlem30 38400 poimir 38403 dvtan 38420 itg2addnclem2 38422 ftc1anclem6 38448 totbndbnd 38540 tfsconcatrev 44190 comptiunov2i 44547 lhe4.4ex1a 45154 dvsinax 46742 fourierdlem62 46997 fourierdlem70 47005 fourierdlem71 47006 fourierdlem80 47015 fouriersw 47060 smflimsuplem1 47649 smflimsuplem4 47652 scmsuppss 49302 lincext2 49386 idfurcl 50025 reldmprcof1 50308 reldmlmd2 50580 reldmcmd2 50581 aacllem 50773 |
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