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| Mirrors > Home > MPE Home > Th. List > elmapfn | Structured version Visualization version GIF version | ||
| Description: A mapping is a function with the appropriate domain. (Contributed by AV, 6-Apr-2019.) |
| Ref | Expression |
|---|---|
| elmapfn | ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴 Fn 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elmapi 8873 | . 2 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴:𝐶⟶𝐵) | |
| 2 | 1 | ffnd 6711 | 1 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴 Fn 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2144 Fn wfn 6534 (class class class)co 7421 ↑m cmap 8851 |
| 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-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 |
| 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-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5545 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-fv 6547 df-ov 7424 df-oprab 7425 df-mpo 7426 df-1st 8002 df-2nd 8003 df-map 8853 |
| This theorem is used by: mapxpen 9166 fsuppmapnn0fiublem 14137 fsuppmapnn0fiub 14138 fsuppmapnn0fiub0 14140 suppssfz 14141 fsuppmapnn0ub 14142 s3rex 15107 mndpsuppss 18965 mndpfsupp 18967 frlmbas 22067 frlmsslsp 22108 eqmat 22745 matplusgcell 22754 matsubgcell 22755 matvscacell 22757 matunitlindflem1 23000 matunitlindflem2 23001 cramerlem1 23011 tmdgsum 24420 fmptco1f1o 33275 islinds5 33970 ellspds 33971 1arithidomlem2 34115 1arithidom 34116 selvply1rhmlemb 34198 lbsdiflsp0 34305 matmpo 34482 1smat1 34483 actfunsnf1o 35280 actfunsnrndisj 35281 reprinfz1 35298 unccur 38620 poimirlem4 38636 poimirlem5 38637 poimirlem6 38638 poimirlem7 38639 poimirlem10 38642 poimirlem11 38643 poimirlem12 38644 poimirlem16 38648 poimirlem19 38651 poimirlem29 38661 poimirlem30 38662 poimirlem31 38663 broucube 38666 fsuppind 43712 ofoafo 44452 ofoaass 44456 ofoacom 44457 rfovcnvf1od 45098 dssmapnvod 45114 dssmapntrcls 45222 k0004lem3 45243 unirnmap 46315 unirnmapsn 46321 ssmapsn 46323 dvnprodlem1 47050 dvnprodlem3 47052 rrxsnicc 47404 ioorrnopnlem 47408 ovnsubaddlem1 47674 hoiqssbllem1 47726 tmachlem-agreeprod 48041 iccpartrn 48606 iccpartf 48607 iccpartnel 48614 dflinc2 49616 lincsum 49635 lincresunit2 49684 2arymaptfo 49860 rrx2pnecoorneor 49922 rrx2linest 49948 crosspaltd 51135 |
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