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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 6641 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6602 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 Vcvv 3429 ↦ cmpt 5166 dom cdm 5631 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-fun 6500 df-fn 6501 |
| This theorem is referenced by: fvmptex 6962 resfunexg 7170 brtpos2 8182 pwfilem 9228 inlresf 9838 inrresf 9840 vdwlem8 16959 oppccatf 17694 lubdm 18315 glbdm 18328 mndpsuppss 18733 dprd2dlem2 20017 dprd2dlem1 20018 dprd2da 20019 ablfac1c 20048 ablfac1eu 20050 ablfaclem2 20063 ablfaclem3 20064 elocv 21648 dmtopon 22888 dfac14 23583 kqtop 23710 symgtgp 24071 eltsms 24098 ressprdsds 24336 minveclem1 25391 isi1f 25641 itg1val 25650 cmvth 25958 mvth 25959 lhop2 25982 dvfsumabs 25990 dvfsumrlim2 25999 taylthlem1 26338 taylthlem2 26339 ulmdvlem1 26365 pige3ALT 26484 relogcn 26602 atandm 26840 atanf 26844 atancn 26900 dmarea 26921 dfarea 26924 efrlim 26933 lgamgulmlem2 26993 dchrptlem2 27228 dchrptlem3 27229 dchrisum0 27483 nosupno 27667 nosupdm 27668 nosupbday 27669 nosupres 27671 nosupbnd1lem1 27672 noinfno 27682 noinfdm 27683 incistruhgr 29148 vsfval 30704 ipasslem8 30908 minvecolem1 30945 xppreima2 32724 ofpreima 32738 rmfsupp2 33299 zarclsint 34016 zartopn 34019 zarmxt1 34024 zarcmplem 34025 dmsigagen 34288 measbase 34341 sseqf 34536 ballotlem7 34680 bj-inftyexpitaudisj 37519 bj-inftyexpidisj 37524 bj-elccinfty 37528 bj-minftyccb 37539 fin2so 37928 poimirlem30 37971 poimir 37974 dvtan 37991 itg2addnclem2 37993 ftc1anclem6 38019 totbndbnd 38110 tfsconcatrev 43776 comptiunov2i 44133 lhe4.4ex1a 44756 dvsinax 46341 fourierdlem62 46596 fourierdlem70 46604 fourierdlem71 46605 fourierdlem80 46614 fouriersw 46659 smflimsuplem1 47248 smflimsuplem4 47251 scmsuppss 48847 lincext2 48931 idfurcl 49573 reldmprcof1 49856 reldmlmd2 50128 reldmcmd2 50129 aacllem 50276 |
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