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| 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 3476 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3102 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6674 | . 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 1570 ∈ wcel 2143 ∀wral 3079 Vcvv 3455 ↦ cmpt 5192 Fn wfn 6531 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-fun 6538 df-fn 6539 |
| This theorem is referenced by: fnmptd 6676 mpt0 6677 fnmptfvd 7036 ralrnmptw 7089 ralrnmpt 7091 fmpt 7105 fmpt2d 7120 f1ocnvd 7661 offval2 7694 ofrfval2 7695 mptcnfimad 7979 fsplitfpar 8109 mptelixpg 8929 fifo 9388 cantnflem1 9654 infmap2 10196 compssiso 10353 gruiun 10779 mptnn0fsupp 14029 mptnn0fsuppr 14031 seqof 14091 sgnrn 15131 rlimi2 15561 prdsbas3 17529 prdsbascl 17531 prdsdsval2 17532 quslem 17592 fnmrc 17658 isofn 17827 ghmquskerco 19349 pmtrrn 19522 pmtrfrn 19523 pmtrdifwrdellem2 19547 gsummptcl 20032 mptscmfsupp0 21048 ofco2 22608 pmatcollpw2lem 22934 neif 23257 tgrest 23316 cmpfi 23565 elptr2 23731 xkoptsub 23811 ptcmplem2 24210 ptcmplem3 24211 prdsxmetlem 24525 prdsxmslem2 24686 bcth3 25490 uniioombllem6 25747 itg2const 25899 ellimc2 26036 dvrec 26114 dvmptres3 26115 ulmss 26560 ulmdvlem1 26563 ulmdvlem2 26564 ulmdvlem3 26565 itgulm2 26572 psercn 26589 tgjustr 28743 f1o3d 32971 f1od2 33064 psgnfzto1stlem 33420 frlmdim 34001 rmulccn 34318 esumnul 34438 esum0 34439 gsumesum 34449 ofcfval2 34494 signsplypnf 34937 signsply0 34938 hgt750lemb 35043 fineqvnttrclse 35537 wevgblacfn 35595 matunitlindflem1 38287 matunitlindflem2 38288 cdlemk56 41765 dicfnN 41977 hbtlem7 43872 refsumcn 45770 wessf1ornlem 45923 choicefi 45937 axccdom 45958 fsumsermpt 46315 liminfval2 46502 stoweidlem31 46765 stoweidlem59 46793 stirlinglem13 46820 dirkercncflem2 46838 fourierdlem62 46902 subsaliuncllem 47091 subsaliuncl 47092 hoidmvlelem3 47331 dfafn5b 47918 fundcmpsurinjlem2 48168 upgrimwlklem1 48682 lincresunit2 49278 isofnALT 49829 crossp3i 50668 |
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