| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 6687 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6648 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∈ wcel 2144 Vcvv 3450 ↦ cmpt 5185 dom cdm 5651 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-pr 5391 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-sn 4585 df-pr 4587 df-op 4835 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-fun 6545 df-fn 6546 |
| This theorem is used by: fvmptex 7013 resfunexg 7225 brtpos2 8257 pwfilem 9317 inlresf 10002 inrresf 10004 sgndm 15258 vdwlem8 17175 oppccatf 17911 lubdm 18532 glbdm 18545 mndpsuppss 18968 dprd2dlem2 20265 dprd2dlem1 20266 dprd2da 20267 ablfac1c 20296 ablfac1eu 20298 ablfaclem2 20311 ablfaclem3 20312 elocv 21983 dmtopon 23250 dfac14 23946 kqtop 24073 symgtgp 24434 eltsms 24461 ressprdsds 24699 minveclem1 25754 isi1f 26004 itg1val 26013 cmvth 26320 mvth 26321 lhop2 26344 dvfsumabs 26352 dvfsumrlim2 26361 taylthlem1 26709 taylthlem2 26710 ulmdvlem1 26736 pige3ALT 26857 relogcn 26975 atandm 27213 atanf 27217 atancn 27273 dmarea 27294 dfarea 27297 efrlim 27306 lgamgulmlem2 27366 dchrptlem2 27601 dchrptlem3 27602 dchrisum0 27856 nosupno 28069 nosupdm 28070 nosupbday 28071 nosupres 28073 nosupbnd1lem1 28074 noinfno 28084 noinfdm 28085 incistruhgr 29666 vsfval 31244 ipasslem8 31448 minvecolem1 31485 xppreima2 33296 ofpreima 33310 rmfsupp2 33848 zarclsint 34554 zartopn 34557 zarmxt1 34562 zarcmplem 34563 dmsigagen 34827 measbase 34880 sseqf 35074 ballotlem7 35218 bj-inftyexpitaudisj 38263 bj-inftyexpidisj 38268 bj-elccinfty 38272 bj-minftyccb 38283 fin2so 38667 poimirlem30 38705 poimir 38708 dvtan 38725 itg2addnclem2 38727 ftc1anclem6 38753 totbndbnd 38860 tfsconcatrev 44487 comptiunov2i 44843 lhe4.4ex1a 45450 dvsinax 47059 fourierdlem62 47314 fourierdlem70 47322 fourierdlem71 47323 fourierdlem80 47332 fouriersw 47377 smflimsuplem1 47966 smflimsuplem4 47969 scmsuppss 49619 lincext2 49703 idfurcl 50350 reldmprcof1 50652 reldmlmd2 50972 reldmcmd2 50973 aacllem 51150 |
| Copyright terms: Public domain | W3C validator |