| 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 3472 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3100 | . 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 2145 ∀wral 3077 Vcvv 3451 ↦ cmpt 5186 Fn wfn 6533 |
| 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-pr 5391 |
| 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-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 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-fun 6540 df-fn 6541 |
| This theorem is used by: fnmptd 6680 mpt0 6681 fnmptfvd 7040 ralrnmptw 7094 ralrnmpt 7096 fmpt 7110 fmpt2d 7125 f1ocnvd 7672 offval2 7713 ofrfval2 7714 mptcnfimad 7998 fsplitfpar 8129 mptelixpg 8963 fifo 9424 cantnflem1 9690 infmap2 10295 compssiso 10452 gruiun 10884 mptnn0fsupp 14140 mptnn0fsuppr 14142 seqof 14202 sgnrn 15251 rlimi2 15681 prdsbas3 17652 prdsbascl 17654 prdsdsval2 17655 quslem 17715 fnmrc 17781 isofn 17950 ghmquskerco 19498 pmtrrn 19671 pmtrfrn 19672 pmtrdifwrdellem2 19696 gsummptcl 20181 mptscmfsupp0 21202 ofco2 22766 matunitlindflem1 22994 matunitlindflem2 22995 pmatcollpw2lem 23095 neif 23418 tgrest 23477 cmpfi 23726 elptr2 23893 xkoptsub 23973 ptcmplem2 24372 ptcmplem3 24373 prdsxmetlem 24687 prdsxmslem2 24848 bcth3 25652 uniioombllem6 25909 itg2const 26061 ellimc2 26197 dvrec 26275 dvmptres3 26276 ulmss 26724 ulmdvlem1 26727 ulmdvlem2 26728 ulmdvlem3 26729 itgulm2 26736 psercn 26753 tgjustr 28936 f1o3d 33220 f1od2 33311 psgnfzto1stlem 33661 frlmdim 34243 rmulccn 34560 esumnul 34680 esum0 34681 gsumesum 34691 ofcfval2 34736 signsplypnf 35179 signsply0 35180 hgt750lemb 35285 fineqvnttrclse 35792 wevgblacfn 35890 cdlemk56 42028 dicfnN 42240 hbtlem7 44126 refsumcn 46046 wessf1ornlem 46199 choicefi 46213 axccdom 46234 fsumsermpt 46590 liminfval2 46777 stoweidlem31 47040 stoweidlem59 47068 stirlinglem13 47095 dirkercncflem2 47113 fourierdlem62 47177 subsaliuncllem 47366 subsaliuncl 47367 hoidmvlelem3 47606 dfafn5b 48230 fundcmpsurinjlem2 48480 upgrimwlklem1 48994 lincresunit2 49589 isofnALT 50138 |
| Copyright terms: Public domain | W3C validator |