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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 3484 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3108 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6675 | . 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 1567 ∈ wcel 2149 ∀wral 3085 Vcvv 3463 ↦ cmpt 5196 Fn wfn 6532 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-fun 6539 df-fn 6540 |
| This theorem is referenced by: fnmptd 6677 mpt0 6678 fnmptfvd 7037 ralrnmptw 7090 ralrnmpt 7092 fmpt 7106 fmpt2d 7121 f1ocnvd 7662 offval2 7695 ofrfval2 7696 mptcnfimad 7983 fsplitfpar 8113 mptelixpg 8933 fifo 9392 cantnflem1 9658 infmap2 10200 compssiso 10358 gruiun 10784 mptnn0fsupp 14033 mptnn0fsuppr 14035 seqof 14095 sgnrn 15135 rlimi2 15565 prdsbas3 17534 prdsbascl 17536 prdsdsval2 17537 quslem 17597 fnmrc 17663 isofn 17832 ghmquskerco 19354 pmtrrn 19527 pmtrfrn 19528 pmtrdifwrdellem2 19552 gsummptcl 20037 mptscmfsupp0 21026 ofco2 22577 pmatcollpw2lem 22903 neif 23226 tgrest 23285 cmpfi 23534 elptr2 23700 xkoptsub 23780 ptcmplem2 24179 ptcmplem3 24180 prdsxmetlem 24494 prdsxmslem2 24655 bcth3 25459 uniioombllem6 25716 itg2const 25868 ellimc2 26005 dvrec 26083 dvmptres3 26084 ulmss 26526 ulmdvlem1 26529 ulmdvlem2 26530 ulmdvlem3 26531 itgulm2 26538 psercn 26555 tgjustr 28709 f1o3d 32912 f1od2 33005 psgnfzto1stlem 33361 frlmdim 33946 rmulccn 34263 esumnul 34383 esum0 34384 gsumesum 34394 ofcfval2 34439 signsplypnf 34882 signsply0 34883 hgt750lemb 34988 fineqvnttrclse 35460 wevgblacfn 35494 matunitlindflem1 38155 matunitlindflem2 38156 cdlemk56 41635 dicfnN 41847 hbtlem7 43744 refsumcn 45642 wessf1ornlem 45795 choicefi 45809 axccdom 45830 fsumsermpt 46187 liminfval2 46374 stoweidlem31 46637 stoweidlem59 46665 stirlinglem13 46692 dirkercncflem2 46710 fourierdlem62 46774 subsaliuncllem 46963 subsaliuncl 46964 hoidmvlelem3 47203 dfafn5b 47787 fundcmpsurinjlem2 48037 upgrimwlklem1 48551 lincresunit2 49143 isofnALT 49694 |
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