| 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 3478 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3104 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6678 | . 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 |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2146 ∀wral 3081 Vcvv 3457 ↦ cmpt 5194 Fn wfn 6535 |
| 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 2737 ax-sep 5259 ax-pr 5406 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-sn 4592 df-pr 4594 df-op 4598 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-fun 6542 df-fn 6543 |
| This theorem is used by: fnmptd 6680 mpt0 6681 fnmptfvd 7040 ralrnmptw 7093 ralrnmpt 7095 fmpt 7109 fmpt2d 7124 f1ocnvd 7671 offval2 7704 ofrfval2 7705 mptcnfimad 7989 fsplitfpar 8119 mptelixpg 8939 fifo 9399 cantnflem1 9665 infmap2 10216 compssiso 10373 gruiun 10801 mptnn0fsupp 14053 mptnn0fsuppr 14055 seqof 14115 sgnrn 15161 rlimi2 15591 prdsbas3 17558 prdsbascl 17560 prdsdsval2 17561 quslem 17621 fnmrc 17687 isofn 17856 ghmquskerco 19400 pmtrrn 19573 pmtrfrn 19574 pmtrdifwrdellem2 19598 gsummptcl 20083 mptscmfsupp0 21100 ofco2 22660 pmatcollpw2lem 22986 neif 23309 tgrest 23368 cmpfi 23617 elptr2 23784 xkoptsub 23864 ptcmplem2 24263 ptcmplem3 24264 prdsxmetlem 24578 prdsxmslem2 24739 bcth3 25543 uniioombllem6 25800 itg2const 25952 ellimc2 26089 dvrec 26167 dvmptres3 26168 ulmss 26613 ulmdvlem1 26616 ulmdvlem2 26617 ulmdvlem3 26618 itgulm2 26625 psercn 26642 tgjustr 28796 f1o3d 33044 f1od2 33136 psgnfzto1stlem 33486 frlmdim 34067 rmulccn 34384 esumnul 34504 esum0 34505 gsumesum 34515 ofcfval2 34560 signsplypnf 35004 signsply0 35005 hgt750lemb 35110 fineqvnttrclse 35596 wevgblacfn 35654 matunitlindflem1 38326 matunitlindflem2 38327 cdlemk56 41805 dicfnN 42017 hbtlem7 43912 refsumcn 45810 wessf1ornlem 45963 choicefi 45977 axccdom 45998 fsumsermpt 46355 liminfval2 46542 stoweidlem31 46805 stoweidlem59 46833 stirlinglem13 46860 dirkercncflem2 46878 fourierdlem62 46942 subsaliuncllem 47131 subsaliuncl 47132 hoidmvlelem3 47371 dfafn5b 47958 fundcmpsurinjlem2 48208 upgrimwlklem1 48722 lincresunit2 49317 isofnALT 49868 |
| Copyright terms: Public domain | W3C validator |