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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 6463 | . 2 ⊢ 𝐹 Fn 𝐴 |
4 | 3 | fndmi 6426 | 1 ⊢ dom 𝐹 = 𝐴 |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1538 ∈ wcel 2111 Vcvv 3441 ↦ cmpt 5110 dom cdm 5519 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-fun 6326 df-fn 6327 |
This theorem is referenced by: fvmptex 6759 resfunexg 6955 brtpos2 7881 inlresf 9327 inrresf 9329 vdwlem8 16314 lubdm 17581 glbdm 17594 dprd2dlem2 19155 dprd2dlem1 19156 dprd2da 19157 ablfac1c 19186 ablfac1eu 19188 ablfaclem2 19201 ablfaclem3 19202 elocv 20357 dmtopon 21528 dfac14 22223 kqtop 22350 symgtgp 22711 eltsms 22738 ressprdsds 22978 minveclem1 24028 isi1f 24278 itg1val 24287 cmvth 24594 mvth 24595 lhop2 24618 dvfsumabs 24626 dvfsumrlim2 24635 taylthlem1 24968 taylthlem2 24969 ulmdvlem1 24995 pige3ALT 25112 relogcn 25229 atandm 25462 atanf 25466 atancn 25522 dmarea 25543 dfarea 25546 efrlim 25555 lgamgulmlem2 25615 dchrptlem2 25849 dchrptlem3 25850 dchrisum0 26104 incistruhgr 26872 vsfval 28416 ipasslem8 28620 minvecolem1 28657 xppreima2 30413 ofpreima 30428 rmfsupp2 30917 zarclsint 31225 zartopn 31228 zarmxt1 31233 zarcmplem 31234 dmsigagen 31513 measbase 31566 sseqf 31760 ballotlem7 31903 nosupno 33316 nosupdm 33317 nosupbday 33318 nosupres 33320 nosupbnd1lem1 33321 bj-inftyexpitaudisj 34620 bj-inftyexpidisj 34625 bj-elccinfty 34629 bj-minftyccb 34640 fin2so 35044 poimirlem30 35087 poimir 35090 dvtan 35107 itg2addnclem2 35109 ftc1anclem6 35135 totbndbnd 35227 comptiunov2i 40407 lhe4.4ex1a 41033 dvsinax 42555 fourierdlem62 42810 fourierdlem70 42818 fourierdlem71 42819 fourierdlem80 42828 fouriersw 42873 smflimsuplem1 43451 smflimsuplem4 43454 mndpsuppss 44773 scmsuppss 44774 lincext2 44864 aacllem 45329 |
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