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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 3512 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
2 | 1 | ralimi 3160 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
4 | 3 | mptfng 6487 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
5 | 2, 4 | sylib 220 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ∈ wcel 2114 ∀wral 3138 Vcvv 3494 ↦ cmpt 5146 Fn wfn 6350 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pr 5330 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 df-opab 5129 df-mpt 5147 df-id 5460 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-fun 6357 df-fn 6358 |
This theorem is referenced by: fnmptd 6489 mpt0 6490 fnmptfvd 6811 ralrnmptw 6860 ralrnmpt 6862 fmpt 6874 fmpt2d 6887 f1ocnvd 7396 offval2 7426 ofrfval2 7427 fsplitfpar 7814 mptelixpg 8499 fifo 8896 cantnflem1 9152 infmap2 9640 compssiso 9796 gruiun 10221 mptnn0fsupp 13366 mptnn0fsuppr 13368 seqof 13428 rlimi2 14871 prdsbas3 16754 prdsbascl 16756 prdsdsval2 16757 quslem 16816 fnmrc 16878 isofn 17045 pmtrrn 18585 pmtrfrn 18586 pmtrdifwrdellem2 18610 gsummptcl 19087 mptscmfsupp0 19699 ofco2 21060 pmatcollpw2lem 21385 neif 21708 tgrest 21767 cmpfi 22016 elptr2 22182 xkoptsub 22262 ptcmplem2 22661 ptcmplem3 22662 prdsxmetlem 22978 prdsxmslem2 23139 bcth3 23934 uniioombllem6 24189 itg2const 24341 ellimc2 24475 dvrec 24552 dvmptres3 24553 ulmss 24985 ulmdvlem1 24988 ulmdvlem2 24989 ulmdvlem3 24990 itgulm2 24997 psercn 25014 tgjustr 26260 f1o3d 30372 f1od2 30457 psgnfzto1stlem 30742 frlmdim 31009 rmulccn 31171 esumnul 31307 esum0 31308 gsumesum 31318 ofcfval2 31363 signsplypnf 31820 signsply0 31821 hgt750lemb 31927 matunitlindflem1 34903 matunitlindflem2 34904 cdlemk56 38122 dicfnN 38334 hbtlem7 39774 refsumcn 41336 wessf1ornlem 41494 choicefi 41512 axccdom 41536 fsumsermpt 41909 liminfval2 42098 stoweidlem31 42365 stoweidlem59 42393 stirlinglem13 42420 dirkercncflem2 42438 fourierdlem62 42502 subsaliuncllem 42689 subsaliuncl 42690 hoidmvlelem3 42928 dfafn5b 43409 fundcmpsurinjlem2 43608 lincresunit2 44582 |
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