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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 3450 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3074 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6637 | . 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 1542 ∈ wcel 2114 ∀wral 3051 Vcvv 3429 ↦ cmpt 5166 Fn wfn 6493 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2708 ax-sep 5231 ax-pr 5375 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ral 3052 df-rex 3062 df-rab 3390 df-v 3431 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-sn 4568 df-pr 4570 df-op 4574 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-fun 6500 df-fn 6501 |
| This theorem is referenced by: fnmptd 6639 mpt0 6640 fnmptfvd 6993 ralrnmptw 7046 ralrnmpt 7048 fmpt 7062 fmpt2d 7077 f1ocnvd 7618 offval2 7651 ofrfval2 7652 mptcnfimad 7939 fsplitfpar 8068 mptelixpg 8883 fifo 9345 cantnflem1 9610 infmap2 10139 compssiso 10296 gruiun 10722 mptnn0fsupp 13959 mptnn0fsuppr 13961 seqof 14021 rlimi2 15476 prdsbas3 17444 prdsbascl 17446 prdsdsval2 17447 quslem 17507 fnmrc 17573 isofn 17742 ghmquskerco 19259 pmtrrn 19432 pmtrfrn 19433 pmtrdifwrdellem2 19457 gsummptcl 19942 mptscmfsupp0 20922 ofco2 22416 pmatcollpw2lem 22742 neif 23065 tgrest 23124 cmpfi 23373 elptr2 23539 xkoptsub 23619 ptcmplem2 24018 ptcmplem3 24019 prdsxmetlem 24333 prdsxmslem2 24494 bcth3 25298 uniioombllem6 25555 itg2const 25707 ellimc2 25844 dvrec 25922 dvmptres3 25923 ulmss 26362 ulmdvlem1 26365 ulmdvlem2 26366 ulmdvlem3 26367 itgulm2 26374 psercn 26391 tgjustr 28542 f1o3d 32699 f1od2 32792 psgnfzto1stlem 33161 frlmdim 33755 rmulccn 34072 esumnul 34192 esum0 34193 gsumesum 34203 ofcfval2 34248 signsplypnf 34694 signsply0 34695 hgt750lemb 34800 fineqvnttrclse 35268 wevgblacfn 35291 matunitlindflem1 37937 matunitlindflem2 37938 cdlemk56 41417 dicfnN 41629 hbtlem7 43553 refsumcn 45461 wessf1ornlem 45615 choicefi 45629 axccdom 45651 fsumsermpt 46009 liminfval2 46196 stoweidlem31 46459 stoweidlem59 46487 stirlinglem13 46514 dirkercncflem2 46532 fourierdlem62 46596 subsaliuncllem 46785 subsaliuncl 46786 hoidmvlelem3 47025 dfafn5b 47609 fundcmpsurinjlem2 47859 upgrimwlklem1 48373 lincresunit2 48954 isofnALT 49506 |
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