![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > fnmpt | Structured version Visualization version GIF version |
Description: The maps-to notation defines a function with domain. (Contributed by NM, 9-Apr-2013.) |
Ref | Expression |
---|---|
mptfng.1 | ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) |
Ref | Expression |
---|---|
fnmpt | ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 3459 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
2 | 1 | ralimi 3128 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
4 | 3 | mptfng 6459 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
5 | 2, 4 | sylib 221 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ∈ wcel 2111 ∀wral 3106 Vcvv 3441 ↦ cmpt 5110 Fn wfn 6319 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pr 5295 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ral 3111 df-v 3443 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-sn 4526 df-pr 4528 df-op 4532 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-fun 6326 df-fn 6327 |
This theorem is referenced by: fnmptd 6461 mpt0 6462 fnmptfvd 6788 ralrnmptw 6837 ralrnmpt 6839 fmpt 6851 fmpt2d 6864 f1ocnvd 7376 offval2 7406 ofrfval2 7407 fsplitfpar 7797 mptelixpg 8482 fifo 8880 cantnflem1 9136 infmap2 9629 compssiso 9785 gruiun 10210 mptnn0fsupp 13360 mptnn0fsuppr 13362 seqof 13423 rlimi2 14863 prdsbas3 16746 prdsbascl 16748 prdsdsval2 16749 quslem 16808 fnmrc 16870 isofn 17037 pmtrrn 18577 pmtrfrn 18578 pmtrdifwrdellem2 18602 gsummptcl 19080 mptscmfsupp0 19692 ofco2 21056 pmatcollpw2lem 21382 neif 21705 tgrest 21764 cmpfi 22013 elptr2 22179 xkoptsub 22259 ptcmplem2 22658 ptcmplem3 22659 prdsxmetlem 22975 prdsxmslem2 23136 bcth3 23935 uniioombllem6 24192 itg2const 24344 ellimc2 24480 dvrec 24558 dvmptres3 24559 ulmss 24992 ulmdvlem1 24995 ulmdvlem2 24996 ulmdvlem3 24997 itgulm2 25004 psercn 25021 tgjustr 26268 f1o3d 30386 f1od2 30483 psgnfzto1stlem 30792 frlmdim 31097 rmulccn 31281 esumnul 31417 esum0 31418 gsumesum 31428 ofcfval2 31473 signsplypnf 31930 signsply0 31931 hgt750lemb 32037 matunitlindflem1 35053 matunitlindflem2 35054 cdlemk56 38267 dicfnN 38479 hbtlem7 40069 refsumcn 41659 wessf1ornlem 41811 choicefi 41829 axccdom 41853 fsumsermpt 42221 liminfval2 42410 stoweidlem31 42673 stoweidlem59 42701 stirlinglem13 42728 dirkercncflem2 42746 fourierdlem62 42810 subsaliuncllem 42997 subsaliuncl 42998 hoidmvlelem3 43236 dfafn5b 43717 fundcmpsurinjlem2 43916 lincresunit2 44887 |
Copyright terms: Public domain | W3C validator |