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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 6643 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6604 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∈ wcel 2114 Vcvv 3442 ↦ cmpt 5181 dom cdm 5632 |
| 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 2709 ax-sep 5243 ax-pr 5379 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-fun 6502 df-fn 6503 |
| This theorem is referenced by: fvmptex 6964 resfunexg 7171 brtpos2 8184 pwfilem 9230 inlresf 9838 inrresf 9840 vdwlem8 16928 oppccatf 17663 lubdm 18284 glbdm 18297 mndpsuppss 18702 dprd2dlem2 19983 dprd2dlem1 19984 dprd2da 19985 ablfac1c 20014 ablfac1eu 20016 ablfaclem2 20029 ablfaclem3 20030 elocv 21635 dmtopon 22879 dfac14 23574 kqtop 23701 symgtgp 24062 eltsms 24089 ressprdsds 24327 minveclem1 25392 isi1f 25643 itg1val 25652 cmvth 25963 cmvthOLD 25964 mvth 25965 lhop2 25988 dvfsumabs 25997 dvfsumrlim2 26007 taylthlem1 26349 taylthlem2 26350 taylthlem2OLD 26351 ulmdvlem1 26377 pige3ALT 26497 relogcn 26615 atandm 26854 atanf 26858 atancn 26914 dmarea 26935 dfarea 26938 efrlim 26947 efrlimOLD 26948 lgamgulmlem2 27008 dchrptlem2 27244 dchrptlem3 27245 dchrisum0 27499 nosupno 27683 nosupdm 27684 nosupbday 27685 nosupres 27687 nosupbnd1lem1 27688 noinfno 27698 noinfdm 27699 incistruhgr 29164 vsfval 30721 ipasslem8 30925 minvecolem1 30962 xppreima2 32741 ofpreima 32755 rmfsupp2 33332 zarclsint 34050 zartopn 34053 zarmxt1 34058 zarcmplem 34059 dmsigagen 34322 measbase 34375 sseqf 34570 ballotlem7 34714 bj-inftyexpitaudisj 37460 bj-inftyexpidisj 37465 bj-elccinfty 37469 bj-minftyccb 37480 fin2so 37858 poimirlem30 37901 poimir 37904 dvtan 37921 itg2addnclem2 37923 ftc1anclem6 37949 totbndbnd 38040 tfsconcatrev 43705 comptiunov2i 44062 lhe4.4ex1a 44685 dvsinax 46271 fourierdlem62 46526 fourierdlem70 46534 fourierdlem71 46535 fourierdlem80 46544 fouriersw 46589 smflimsuplem1 47178 smflimsuplem4 47181 scmsuppss 48731 lincext2 48815 idfurcl 49457 reldmprcof1 49740 reldmlmd2 50012 reldmcmd2 50013 aacllem 50160 |
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