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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 8855 | . 2 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴:𝐶⟶𝐵) | |
| 2 | 1 | ffnd 6713 | 1 ⊢ (𝐴 ∈ (𝐵 ↑m 𝐶) → 𝐴 Fn 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 Fn wfn 6538 (class class class)co 7423 ↑m cmap 8833 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2738 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-fv 6551 df-ov 7426 df-oprab 7427 df-mpo 7428 df-1st 7995 df-2nd 7996 df-map 8835 |
| This theorem is used by: mapxpen 9141 fsuppmapnn0fiublem 14046 fsuppmapnn0fiub 14047 fsuppmapnn0fiub0 14049 suppssfz 14050 fsuppmapnn0ub 14051 mndpsuppss 18854 mndpfsupp 18856 frlmbas 21942 frlmsslsp 21983 eqmat 22618 matplusgcell 22627 matsubgcell 22628 matvscacell 22630 cramerlem1 22881 tmdgsum 24289 fmptco1f1o 33015 islinds5 33713 ellspds 33714 1arithidomlem2 33857 1arithidom 33858 selvply1rhmlemb 33940 lbsdiflsp0 34047 matmpo 34224 1smat1 34225 actfunsnf1o 35023 actfunsnrndisj 35024 reprinfz1 35041 unccur 38295 matunitlindflem1 38308 matunitlindflem2 38309 poimirlem4 38316 poimirlem5 38317 poimirlem6 38318 poimirlem7 38319 poimirlem10 38322 poimirlem11 38323 poimirlem12 38324 poimirlem16 38328 poimirlem19 38331 poimirlem29 38341 poimirlem30 38342 poimirlem31 38343 broucube 38346 fsuppind 43363 ofoafo 44124 ofoaass 44128 ofoacom 44129 rfovcnvf1od 44771 dssmapnvod 44787 dssmapntrcls 44895 k0004lem3 44916 unirnmap 45965 unirnmapsn 45971 ssmapsn 45973 dvnprodlem1 46701 dvnprodlem3 46703 rrxsnicc 47055 ioorrnopnlem 47059 ovnsubaddlem1 47325 hoiqssbllem1 47377 iccpartrn 48220 iccpartf 48221 iccpartnel 48228 dflinc2 49231 lincsum 49250 lincresunit2 49299 2arymaptfo 49475 rrx2pnecoorneor 49536 rrx2linest 49563 crosspalti 50689 |
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