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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 6633 | . 2 ⊢ 𝐹 Fn 𝐴 |
| 4 | 3 | fndmi 6594 | 1 ⊢ dom 𝐹 = 𝐴 |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1541 ∈ wcel 2113 Vcvv 3438 ↦ cmpt 5177 dom cdm 5622 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-fun 6492 df-fn 6493 |
| This theorem is referenced by: fvmptex 6953 resfunexg 7159 brtpos2 8172 pwfilem 9216 inlresf 9824 inrresf 9826 vdwlem8 16914 oppccatf 17649 lubdm 18270 glbdm 18283 mndpsuppss 18688 dprd2dlem2 19969 dprd2dlem1 19970 dprd2da 19971 ablfac1c 20000 ablfac1eu 20002 ablfaclem2 20015 ablfaclem3 20016 elocv 21621 dmtopon 22865 dfac14 23560 kqtop 23687 symgtgp 24048 eltsms 24075 ressprdsds 24313 minveclem1 25378 isi1f 25629 itg1val 25638 cmvth 25949 cmvthOLD 25950 mvth 25951 lhop2 25974 dvfsumabs 25983 dvfsumrlim2 25993 taylthlem1 26335 taylthlem2 26336 taylthlem2OLD 26337 ulmdvlem1 26363 pige3ALT 26483 relogcn 26601 atandm 26840 atanf 26844 atancn 26900 dmarea 26921 dfarea 26924 efrlim 26933 efrlimOLD 26934 lgamgulmlem2 26994 dchrptlem2 27230 dchrptlem3 27231 dchrisum0 27485 nosupno 27669 nosupdm 27670 nosupbday 27671 nosupres 27673 nosupbnd1lem1 27674 noinfno 27684 noinfdm 27685 incistruhgr 29101 vsfval 30657 ipasslem8 30861 minvecolem1 30898 xppreima2 32678 ofpreima 32692 rmfsupp2 33269 zarclsint 33978 zartopn 33981 zarmxt1 33986 zarcmplem 33987 dmsigagen 34250 measbase 34303 sseqf 34498 ballotlem7 34642 bj-inftyexpitaudisj 37349 bj-inftyexpidisj 37354 bj-elccinfty 37358 bj-minftyccb 37369 fin2so 37747 poimirlem30 37790 poimir 37793 dvtan 37810 itg2addnclem2 37812 ftc1anclem6 37838 totbndbnd 37929 tfsconcatrev 43532 comptiunov2i 43889 lhe4.4ex1a 44512 dvsinax 46099 fourierdlem62 46354 fourierdlem70 46362 fourierdlem71 46363 fourierdlem80 46372 fouriersw 46417 smflimsuplem1 47006 smflimsuplem4 47009 scmsuppss 48559 lincext2 48643 idfurcl 49285 reldmprcof1 49568 reldmlmd2 49840 reldmcmd2 49841 aacllem 49988 |
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