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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 8852 | . 2 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴:𝐶⟶𝐵) | |
| 2 | 1 | ffnd 6707 | 1 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴 Fn 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2145 Fn wfn 6532 (class class class)co 7417 ↑m cmap 8830 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-iun 4956 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-ov 7420 df-oprab 7421 df-mpo 7422 df-1st 7990 df-2nd 7991 df-map 8832 |
| This theorem is used by: mapxpen 9145 fsuppmapnn0fiublem 14058 fsuppmapnn0fiub 14059 fsuppmapnn0fiub0 14061 suppssfz 14062 fsuppmapnn0ub 14063 s3rex 15025 mndpsuppss 18878 mndpfsupp 18880 frlmbas 21974 frlmsslsp 22015 eqmat 22652 matplusgcell 22661 matsubgcell 22662 matvscacell 22664 matunitlindflem1 22907 matunitlindflem2 22908 cramerlem1 22918 tmdgsum 24327 fmptco1f1o 33114 islinds5 33810 ellspds 33811 1arithidomlem2 33954 1arithidom 33955 selvply1rhmlemb 34037 lbsdiflsp0 34144 matmpo 34321 1smat1 34322 actfunsnf1o 35120 actfunsnrndisj 35121 reprinfz1 35138 unccur 38365 poimirlem4 38381 poimirlem5 38382 poimirlem6 38383 poimirlem7 38384 poimirlem10 38387 poimirlem11 38388 poimirlem12 38389 poimirlem16 38393 poimirlem19 38396 poimirlem29 38406 poimirlem30 38407 poimirlem31 38408 broucube 38411 fsuppind 43444 ofoafo 44205 ofoaass 44209 ofoacom 44210 rfovcnvf1od 44852 dssmapnvod 44868 dssmapntrcls 44976 k0004lem3 44997 unirnmap 46046 unirnmapsn 46052 ssmapsn 46054 dvnprodlem1 46782 dvnprodlem3 46784 rrxsnicc 47136 ioorrnopnlem 47140 ovnsubaddlem1 47406 hoiqssbllem1 47458 tmachlem-agreeprod 47773 iccpartrn 48338 iccpartf 48339 iccpartnel 48346 dflinc2 49348 lincsum 49367 lincresunit2 49416 2arymaptfo 49592 rrx2pnecoorneor 49653 rrx2linest 49680 crosspaltd 50807 |
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