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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 8853 | . 2 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴:𝐶⟶𝐵) | |
| 2 | 1 | ffnd 6702 | 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 6526 (class class class)co 7412 ↑m cmap 8831 |
| 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 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-fv 6539 df-ov 7415 df-oprab 7416 df-mpo 7417 df-1st 7990 df-2nd 7991 df-map 8833 |
| This theorem is used by: mapxpen 9146 fsuppmapnn0fiublem 14113 fsuppmapnn0fiub 14114 fsuppmapnn0fiub0 14116 suppssfz 14117 fsuppmapnn0ub 14118 s3rex 15081 mndpsuppss 18939 mndpfsupp 18941 frlmbas 22041 frlmsslsp 22082 eqmat 22719 matplusgcell 22728 matsubgcell 22729 matvscacell 22731 matunitlindflem1 22974 matunitlindflem2 22975 cramerlem1 22985 tmdgsum 24394 fmptco1f1o 33209 islinds5 33905 ellspds 33906 1arithidomlem2 34050 1arithidom 34051 selvply1rhmlemb 34133 lbsdiflsp0 34240 matmpo 34417 1smat1 34418 actfunsnf1o 35216 actfunsnrndisj 35217 reprinfz1 35234 unccur 38494 poimirlem4 38510 poimirlem5 38511 poimirlem6 38512 poimirlem7 38513 poimirlem10 38516 poimirlem11 38517 poimirlem12 38518 poimirlem16 38522 poimirlem19 38525 poimirlem29 38535 poimirlem30 38536 poimirlem31 38537 broucube 38540 fsuppind 43580 ofoafo 44316 ofoaass 44320 ofoacom 44321 rfovcnvf1od 44963 dssmapnvod 44979 dssmapntrcls 45087 k0004lem3 45108 unirnmap 46164 unirnmapsn 46170 ssmapsn 46172 dvnprodlem1 46900 dvnprodlem3 46902 rrxsnicc 47254 ioorrnopnlem 47258 ovnsubaddlem1 47524 hoiqssbllem1 47576 tmachlem-agreeprod 47891 iccpartrn 48456 iccpartf 48457 iccpartnel 48464 dflinc2 49466 lincsum 49485 lincresunit2 49534 2arymaptfo 49710 rrx2pnecoorneor 49771 rrx2linest 49798 crosspaltd 50910 |
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