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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 6481 | . 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 1533 ∈ wcel 2110 ∀wral 3138 Vcvv 3494 ↦ cmpt 5138 Fn wfn 6344 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-sep 5195 ax-nul 5202 ax-pr 5321 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rab 3147 df-v 3496 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-if 4467 df-sn 4561 df-pr 4563 df-op 4567 df-br 5059 df-opab 5121 df-mpt 5139 df-id 5454 df-xp 5555 df-rel 5556 df-cnv 5557 df-co 5558 df-dm 5559 df-fun 6351 df-fn 6352 |
This theorem is referenced by: fnmptd 6483 mpt0 6484 fnmptfvd 6805 ralrnmptw 6854 ralrnmpt 6856 fmpt 6868 fmpt2d 6881 f1ocnvd 7390 offval2 7420 ofrfval2 7421 fsplitfpar 7808 mptelixpg 8493 fifo 8890 cantnflem1 9146 infmap2 9634 compssiso 9790 gruiun 10215 mptnn0fsupp 13359 mptnn0fsuppr 13361 seqof 13421 rlimi2 14865 prdsbas3 16748 prdsbascl 16750 prdsdsval2 16751 quslem 16810 fnmrc 16872 isofn 17039 pmtrrn 18579 pmtrfrn 18580 pmtrdifwrdellem2 18604 gsummptcl 19081 mptscmfsupp0 19693 ofco2 21054 pmatcollpw2lem 21379 neif 21702 tgrest 21761 cmpfi 22010 elptr2 22176 xkoptsub 22256 ptcmplem2 22655 ptcmplem3 22656 prdsxmetlem 22972 prdsxmslem2 23133 bcth3 23928 uniioombllem6 24183 itg2const 24335 ellimc2 24469 dvrec 24546 dvmptres3 24547 ulmss 24979 ulmdvlem1 24982 ulmdvlem2 24983 ulmdvlem3 24984 itgulm2 24991 psercn 25008 tgjustr 26254 f1o3d 30366 f1od2 30451 psgnfzto1stlem 30737 frlmdim 31004 rmulccn 31166 esumnul 31302 esum0 31303 gsumesum 31313 ofcfval2 31358 signsplypnf 31815 signsply0 31816 hgt750lemb 31922 matunitlindflem1 34882 matunitlindflem2 34883 cdlemk56 38101 dicfnN 38313 hbtlem7 39718 refsumcn 41280 wessf1ornlem 41438 choicefi 41456 axccdom 41480 fsumsermpt 41853 liminfval2 42042 stoweidlem31 42310 stoweidlem59 42338 stirlinglem13 42365 dirkercncflem2 42383 fourierdlem62 42447 subsaliuncllem 42634 subsaliuncl 42635 hoidmvlelem3 42873 dfafn5b 43354 fundcmpsurinjlem2 43553 lincresunit2 44527 |
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