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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 6679 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6640 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 Vcvv 3463 ↦ cmpt 5196 dom cdm 5662 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-fun 6539 df-fn 6540 |
| This theorem is referenced by: fvmptex 7005 resfunexg 7214 brtpos2 8227 pwfilem 9276 inlresf 9899 inrresf 9901 sgndm 15132 vdwlem8 17047 oppccatf 17783 lubdm 18404 glbdm 18417 mndpsuppss 18822 dprd2dlem2 20111 dprd2dlem1 20112 dprd2da 20113 ablfac1c 20142 ablfac1eu 20144 ablfaclem2 20157 ablfaclem3 20158 elocv 21786 dmtopon 23048 dfac14 23743 kqtop 23870 symgtgp 24231 eltsms 24258 ressprdsds 24496 minveclem1 25551 isi1f 25801 itg1val 25810 cmvth 26118 mvth 26119 lhop2 26142 dvfsumabs 26150 dvfsumrlim2 26159 taylthlem1 26501 taylthlem2 26502 ulmdvlem1 26528 pige3ALT 26650 relogcn 26768 atandm 27006 atanf 27010 atancn 27066 dmarea 27087 dfarea 27090 efrlim 27099 lgamgulmlem2 27159 dchrptlem2 27394 dchrptlem3 27395 dchrisum0 27649 nosupno 27832 nosupdm 27833 nosupbday 27834 nosupres 27836 nosupbnd1lem1 27837 noinfno 27847 noinfdm 27848 incistruhgr 29369 vsfval 30925 ipasslem8 31129 minvecolem1 31166 xppreima2 32936 ofpreima 32950 rmfsupp2 33497 zarclsint 34206 zartopn 34209 zarmxt1 34214 zarcmplem 34215 dmsigagen 34478 measbase 34531 sseqf 34726 ballotlem7 34870 bj-inftyexpitaudisj 37736 bj-inftyexpidisj 37741 bj-elccinfty 37745 bj-minftyccb 37756 fin2so 38145 poimirlem30 38188 poimir 38191 dvtan 38208 itg2addnclem2 38210 ftc1anclem6 38236 totbndbnd 38327 tfsconcatrev 43966 comptiunov2i 44323 lhe4.4ex1a 44930 dvsinax 46518 fourierdlem62 46773 fourierdlem70 46781 fourierdlem71 46782 fourierdlem80 46791 fouriersw 46836 smflimsuplem1 47425 smflimsuplem4 47428 scmsuppss 49035 lincext2 49119 idfurcl 49760 reldmprcof1 50043 reldmlmd2 50315 reldmcmd2 50316 aacllem 50474 |
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