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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 3461 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3073 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6631 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
| 5 | 2, 4 | sylib 218 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ∀wral 3051 Vcvv 3440 ↦ cmpt 5179 Fn wfn 6487 |
| 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 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-sep 5241 ax-nul 5251 ax-pr 5377 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 df-rex 3061 df-rab 3400 df-v 3442 df-dif 3904 df-un 3906 df-ss 3918 df-nul 4286 df-if 4480 df-sn 4581 df-pr 4583 df-op 4587 df-br 5099 df-opab 5161 df-mpt 5180 df-id 5519 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-fun 6494 df-fn 6495 |
| This theorem is referenced by: fnmptd 6633 mpt0 6634 fnmptfvd 6986 ralrnmptw 7039 ralrnmpt 7041 fmpt 7055 fmpt2d 7069 f1ocnvd 7609 offval2 7642 ofrfval2 7643 mptcnfimad 7930 fsplitfpar 8060 mptelixpg 8873 fifo 9335 cantnflem1 9598 infmap2 10127 compssiso 10284 gruiun 10710 mptnn0fsupp 13920 mptnn0fsuppr 13922 seqof 13982 rlimi2 15437 prdsbas3 17401 prdsbascl 17403 prdsdsval2 17404 quslem 17464 fnmrc 17530 isofn 17699 ghmquskerco 19213 pmtrrn 19386 pmtrfrn 19387 pmtrdifwrdellem2 19411 gsummptcl 19896 mptscmfsupp0 20878 ofco2 22395 pmatcollpw2lem 22721 neif 23044 tgrest 23103 cmpfi 23352 elptr2 23518 xkoptsub 23598 ptcmplem2 23997 ptcmplem3 23998 prdsxmetlem 24312 prdsxmslem2 24473 bcth3 25287 uniioombllem6 25545 itg2const 25697 ellimc2 25834 dvrec 25915 dvmptres3 25916 ulmss 26362 ulmdvlem1 26365 ulmdvlem2 26366 ulmdvlem3 26367 itgulm2 26374 psercn 26392 tgjustr 28546 f1o3d 32704 f1od2 32798 psgnfzto1stlem 33182 frlmdim 33768 rmulccn 34085 esumnul 34205 esum0 34206 gsumesum 34216 ofcfval2 34261 signsplypnf 34707 signsply0 34708 hgt750lemb 34813 fineqvnttrclse 35280 wevgblacfn 35303 matunitlindflem1 37817 matunitlindflem2 37818 cdlemk56 41241 dicfnN 41453 hbtlem7 43377 refsumcn 45285 wessf1ornlem 45439 choicefi 45454 axccdom 45476 fsumsermpt 45835 liminfval2 46022 stoweidlem31 46285 stoweidlem59 46313 stirlinglem13 46340 dirkercncflem2 46358 fourierdlem62 46422 subsaliuncllem 46611 subsaliuncl 46612 hoidmvlelem3 46851 dfafn5b 47417 fundcmpsurinjlem2 47655 upgrimwlklem1 48153 lincresunit2 48734 isofnALT 49286 |
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