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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 3185 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
2 | 1 | ralimi 2936 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
4 | 3 | mptfng 5932 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
5 | 2, 4 | sylib 207 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 ∀wral 2896 Vcvv 3173 ↦ cmpt 4643 Fn wfn 5799 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-fun 5806 df-fn 5807 |
This theorem is referenced by: mpt0 5934 fnmptfvd 6228 ralrnmpt 6276 fmpt 6289 fmpt2d 6300 f1ocnvd 6782 offval2 6812 ofrfval2 6813 mptelixpg 7831 fifo 8221 cantnflem1 8469 infmap2 8923 compssiso 9079 gruiun 9500 mptnn0fsupp 12659 mptnn0fsuppr 12661 seqof 12720 rlimi2 14093 prdsbas3 15964 prdsbascl 15966 prdsdsval2 15967 quslem 16026 fnmrc 16090 isofn 16258 pmtrrn 17700 pmtrfrn 17701 pmtrdifwrdellem2 17725 gsummptcl 18189 mptscmfsupp0 18751 ofco2 20076 pmatcollpw2lem 20401 neif 20714 tgrest 20773 cmpfi 21021 elptr2 21187 xkoptsub 21267 ptcmplem2 21667 ptcmplem3 21668 prdsxmetlem 21983 prdsxmslem2 22144 bcth3 22936 uniioombllem6 23162 itg2const 23313 ellimc2 23447 dvrec 23524 dvmptres3 23525 ulmss 23955 ulmdvlem1 23958 ulmdvlem2 23959 ulmdvlem3 23960 itgulm2 23967 psercn 23984 f1o3d 28813 f1od2 28887 psgnfzto1stlem 29181 rmulccn 29302 esumnul 29437 esum0 29438 gsumesum 29448 ofcfval2 29493 signsplypnf 29953 signsply0 29954 matunitlindflem1 32575 matunitlindflem2 32576 cdlemk56 35277 dicfnN 35490 hbtlem7 36714 refsumcn 38212 wessf1ornlem 38366 choicefi 38387 axccdom 38411 fsumsermpt 38646 stoweidlem31 38924 stoweidlem59 38952 stirlinglem13 38979 dirkercncflem2 38997 fourierdlem62 39061 subsaliuncllem 39251 subsaliuncl 39252 hoidmvlelem3 39487 dfafn5b 39890 lincresunit2 42061 |
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