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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 3459 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3071 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6629 | . 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 3049 Vcvv 3438 ↦ cmpt 5177 Fn wfn 6485 |
| 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 2182 ax-ext 2706 ax-sep 5239 ax-nul 5249 ax-pr 5375 |
| 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 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-dif 3902 df-un 3904 df-ss 3916 df-nul 4284 df-if 4478 df-sn 4579 df-pr 4581 df-op 4585 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-fun 6492 df-fn 6493 |
| This theorem is referenced by: fnmptd 6631 mpt0 6632 fnmptfvd 6984 ralrnmptw 7037 ralrnmpt 7039 fmpt 7053 fmpt2d 7067 f1ocnvd 7607 offval2 7640 ofrfval2 7641 mptcnfimad 7928 fsplitfpar 8058 mptelixpg 8871 fifo 9333 cantnflem1 9596 infmap2 10125 compssiso 10282 gruiun 10708 mptnn0fsupp 13918 mptnn0fsuppr 13920 seqof 13980 rlimi2 15435 prdsbas3 17399 prdsbascl 17401 prdsdsval2 17402 quslem 17462 fnmrc 17528 isofn 17697 ghmquskerco 19211 pmtrrn 19384 pmtrfrn 19385 pmtrdifwrdellem2 19409 gsummptcl 19894 mptscmfsupp0 20876 ofco2 22393 pmatcollpw2lem 22719 neif 23042 tgrest 23101 cmpfi 23350 elptr2 23516 xkoptsub 23596 ptcmplem2 23995 ptcmplem3 23996 prdsxmetlem 24310 prdsxmslem2 24471 bcth3 25285 uniioombllem6 25543 itg2const 25695 ellimc2 25832 dvrec 25913 dvmptres3 25914 ulmss 26360 ulmdvlem1 26363 ulmdvlem2 26364 ulmdvlem3 26365 itgulm2 26372 psercn 26390 tgjustr 28495 f1o3d 32653 f1od2 32747 psgnfzto1stlem 33131 frlmdim 33717 rmulccn 34034 esumnul 34154 esum0 34155 gsumesum 34165 ofcfval2 34210 signsplypnf 34656 signsply0 34657 hgt750lemb 34762 fineqvnttrclse 35229 wevgblacfn 35252 matunitlindflem1 37756 matunitlindflem2 37757 cdlemk56 41170 dicfnN 41382 hbtlem7 43309 refsumcn 45217 wessf1ornlem 45371 choicefi 45386 axccdom 45408 fsumsermpt 45767 liminfval2 45954 stoweidlem31 46217 stoweidlem59 46245 stirlinglem13 46272 dirkercncflem2 46290 fourierdlem62 46354 subsaliuncllem 46543 subsaliuncl 46544 hoidmvlelem3 46783 dfafn5b 47349 fundcmpsurinjlem2 47587 upgrimwlklem1 48085 lincresunit2 48666 isofnALT 49218 |
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