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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 3474 | . . 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 6686 | . 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 |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2146 ∀wral 3079 Vcvv 3453 ↦ cmpt 5188 Fn wfn 6541 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-sep 5251 ax-pr 5394 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 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 3416 df-v 3455 df-ss 3900 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-sn 4588 df-pr 4590 df-op 4838 df-br 5106 df-opab 5170 df-mpt 5189 df-id 5549 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-fun 6548 df-fn 6549 |
| This theorem is used by: fnmptd 6688 mpt0 6689 fnmptfvd 7048 ralrnmptw 7102 ralrnmpt 7104 fmpt 7118 fmpt2d 7133 f1ocnvd 7679 offval2 7720 ofrfval2 7721 mptcnfimad 8005 f1od2 8118 fsplitfpar 8139 mptelixpg 8974 fifo 9434 cantnflem1 9700 infmap2 10305 compssiso 10462 gruiun 10894 mptnn0fsupp 14150 mptnn0fsuppr 14152 seqof 14212 sgnrn 15263 rlimi2 15693 prdsbas3 17664 prdsbascl 17666 prdsdsval2 17667 quslem 17727 fnmrc 17793 isofn 17962 ghmquskerco 19510 pmtrrn 19683 pmtrfrn 19684 pmtrdifwrdellem2 19708 gsummptcl 20193 mptscmfsupp0 21214 ofco2 22778 matunitlindflem1 23006 matunitlindflem2 23007 pmatcollpw2lem 23107 neif 23430 tgrest 23489 cmpfi 23738 elptr2 23905 xkoptsub 23985 ptcmplem2 24384 ptcmplem3 24385 prdsxmetlem 24699 prdsxmslem2 24860 bcth3 25664 uniioombllem6 25921 itg2const 26073 ellimc2 26209 dvrec 26287 dvmptres3 26288 ulmss 26736 ulmdvlem1 26739 ulmdvlem2 26740 ulmdvlem3 26741 itgulm2 26748 psercn 26765 tgjustr 28948 f1o3d 33274 psgnfzto1stlem 33714 frlmdim 34296 rmulccn 34613 esumnul 34733 esum0 34734 gsumesum 34744 ofcfval2 34789 signsplypnf 35232 signsply0 35233 hgt750lemb 35338 fineqvnttrclse 35863 wevgblacfn 35993 mirimanoffr 36581 cdlemk56 42168 dicfnN 42380 hbtlem7 44267 refsumcn 46186 wessf1ornlem 46339 choicefi 46353 axccdom 46374 fsumsermpt 46730 liminfval2 46917 stoweidlem31 47180 stoweidlem59 47208 stirlinglem13 47235 dirkercncflem2 47253 fourierdlem62 47317 subsaliuncllem 47506 subsaliuncl 47507 hoidmvlelem3 47746 dfafn5b 48370 fundcmpsurinjlem2 48620 upgrimwlklem1 49134 lincresunit2 49729 isofnALT 50284 |
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