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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 3451 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3075 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6632 | . 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 3052 Vcvv 3430 ↦ cmpt 5167 Fn wfn 6488 |
| 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 2709 ax-sep 5232 ax-pr 5371 |
| 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 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ral 3053 df-rex 3063 df-rab 3391 df-v 3432 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-sn 4569 df-pr 4571 df-op 4575 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-fun 6495 df-fn 6496 |
| This theorem is referenced by: fnmptd 6634 mpt0 6635 fnmptfvd 6988 ralrnmptw 7041 ralrnmpt 7043 fmpt 7057 fmpt2d 7072 f1ocnvd 7612 offval2 7645 ofrfval2 7646 mptcnfimad 7933 fsplitfpar 8062 mptelixpg 8877 fifo 9339 cantnflem1 9604 infmap2 10133 compssiso 10290 gruiun 10716 mptnn0fsupp 13953 mptnn0fsuppr 13955 seqof 14015 rlimi2 15470 prdsbas3 17438 prdsbascl 17440 prdsdsval2 17441 quslem 17501 fnmrc 17567 isofn 17736 ghmquskerco 19253 pmtrrn 19426 pmtrfrn 19427 pmtrdifwrdellem2 19451 gsummptcl 19936 mptscmfsupp0 20916 ofco2 22429 pmatcollpw2lem 22755 neif 23078 tgrest 23137 cmpfi 23386 elptr2 23552 xkoptsub 23632 ptcmplem2 24031 ptcmplem3 24032 prdsxmetlem 24346 prdsxmslem2 24507 bcth3 25311 uniioombllem6 25568 itg2const 25720 ellimc2 25857 dvrec 25935 dvmptres3 25936 ulmss 26378 ulmdvlem1 26381 ulmdvlem2 26382 ulmdvlem3 26383 itgulm2 26390 psercn 26407 tgjustr 28559 f1o3d 32717 f1od2 32810 psgnfzto1stlem 33179 frlmdim 33774 rmulccn 34091 esumnul 34211 esum0 34212 gsumesum 34222 ofcfval2 34267 signsplypnf 34713 signsply0 34714 hgt750lemb 34819 fineqvnttrclse 35287 wevgblacfn 35310 matunitlindflem1 37954 matunitlindflem2 37955 cdlemk56 41434 dicfnN 41646 hbtlem7 43574 refsumcn 45482 wessf1ornlem 45636 choicefi 45650 axccdom 45672 fsumsermpt 46030 liminfval2 46217 stoweidlem31 46480 stoweidlem59 46508 stirlinglem13 46535 dirkercncflem2 46553 fourierdlem62 46617 subsaliuncllem 46806 subsaliuncl 46807 hoidmvlelem3 47046 dfafn5b 47624 fundcmpsurinjlem2 47874 upgrimwlklem1 48388 lincresunit2 48969 isofnALT 49521 |
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