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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 3475 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3103 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6708 | . 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 1570 ∈ wcel 2147 ∀wral 3080 Vcvv 3454 ↦ cmpt 5192 Fn wfn 6561 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-sn 4589 df-pr 4591 df-op 4841 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-fun 6568 df-fn 6569 |
| This theorem is used by: fnmptd 6710 mpt0 6711 fnmptfvd 7071 ralrnmptw 7126 ralrnmpt 7128 fmpt 7142 fmpt2d 7157 f1ocnvd 7704 offval2 7745 ofrfval2 7746 mptcnfimad 8032 f1od2 8145 fsplitfpar 8166 mptelixpg 9001 fifo 9461 cantnflem1 9727 infmap2 10334 compssiso 10491 gruiun 10923 mptnn0fsupp 14180 mptnn0fsuppr 14182 seqof 14242 sgnrn 15294 rlimi2 15725 prdsbas3 17702 prdsbascl 17704 prdsdsval2 17705 quslem 17765 fnmrc 17831 isofn 18000 ghmquskerco 19549 pmtrrn 19722 pmtrfrn 19723 pmtrdifwrdellem2 19747 gsummptcl 20232 mptscmfsupp0 21253 ofco2 22821 matunitlindflem1 23049 matunitlindflem2 23050 pmatcollpw2lem 23150 neif 23473 tgrest 23532 cmpfi 23781 elptr2 23948 xkoptsub 24028 ptcmplem2 24427 ptcmplem3 24428 prdsxmetlem 24742 prdsxmslem2 24903 bcth3 25707 uniioombllem6 25964 itg2const 26116 ellimc2 26252 dvrec 26330 dvmptres3 26331 ulmss 26781 ulmdvlem1 26784 ulmdvlem2 26785 ulmdvlem3 26786 itgulm2 26793 psercn 26810 tgjustr 28993 f1o3d 33318 psgnfzto1stlem 33760 frlmdim 34354 rmulccn 34671 esumnul 34791 esum0 34792 gsumesum 34802 ofcfval2 34847 signsplypnf 35290 signsply0 35291 hgt750lemb 35396 fineqvnttrclse 35933 wevgblacfn 36080 mirimanoffr 36668 cdlemk56 42294 dicfnN 42506 hbtlem7 44392 refsumcn 46321 wessf1ornlem 46473 choicefi 46487 axccdom 46508 fsumsermpt 46864 liminfval2 47051 stoweidlem31 47314 stoweidlem59 47342 stirlinglem13 47369 dirkercncflem2 47387 fourierdlem62 47451 subsaliuncllem 47640 subsaliuncl 47641 hoidmvlelem3 47880 dfafn5b 48504 fundcmpsurinjlem2 48754 upgrimwlklem1 49268 lincresunit2 49921 isofnALT 50476 |
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