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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 3452 | . . 3 ⊢ (𝐵 ∈ 𝑉 → 𝐵 ∈ V) | |
| 2 | 1 | ralimi 3076 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → ∀𝑥 ∈ 𝐴 𝐵 ∈ V) |
| 3 | mptfng.1 | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐴 ↦ 𝐵) | |
| 4 | 3 | mptfng 6624 | . 2 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ V ↔ 𝐹 Fn 𝐴) |
| 5 | 2, 4 | sylib 219 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝐵 ∈ 𝑉 → 𝐹 Fn 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1547 ∈ wcel 2119 ∀wral 3053 Vcvv 3431 ↦ cmpt 5153 Fn wfn 6480 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-sep 5218 ax-pr 5362 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ral 3054 df-rex 3064 df-rab 3392 df-v 3433 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4262 df-if 4455 df-sn 4556 df-pr 4558 df-op 4562 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-fun 6487 df-fn 6488 |
| This theorem is referenced by: fnmptd 6626 mpt0 6627 fnmptfvd 6982 ralrnmptw 7035 ralrnmpt 7037 fmpt 7051 fmpt2d 7066 f1ocnvd 7607 offval2 7640 ofrfval2 7641 mptcnfimad 7928 fsplitfpar 8057 mptelixpg 8873 fifo 9335 cantnflem1 9601 infmap2 10130 compssiso 10287 gruiun 10713 mptnn0fsupp 13950 mptnn0fsuppr 13952 seqof 14012 rlimi2 15467 prdsbas3 17435 prdsbascl 17437 prdsdsval2 17438 quslem 17498 fnmrc 17564 isofn 17733 ghmquskerco 19250 pmtrrn 19423 pmtrfrn 19424 pmtrdifwrdellem2 19448 gsummptcl 19933 mptscmfsupp0 20917 ofco2 22434 pmatcollpw2lem 22760 neif 23083 tgrest 23142 cmpfi 23391 elptr2 23557 xkoptsub 23637 ptcmplem2 24036 ptcmplem3 24037 prdsxmetlem 24351 prdsxmslem2 24512 bcth3 25316 uniioombllem6 25573 itg2const 25725 ellimc2 25862 dvrec 25940 dvmptres3 25941 ulmss 26380 ulmdvlem1 26383 ulmdvlem2 26384 ulmdvlem3 26385 itgulm2 26392 psercn 26409 tgjustr 28560 f1o3d 32718 f1od2 32811 psgnfzto1stlem 33181 frlmdim 33795 rmulccn 34112 esumnul 34232 esum0 34233 gsumesum 34243 ofcfval2 34288 signsplypnf 34734 signsply0 34735 hgt750lemb 34840 fineqvnttrclse 35305 wevgblacfn 35337 matunitlindflem1 37983 matunitlindflem2 37984 cdlemk56 41463 dicfnN 41675 hbtlem7 43570 refsumcn 45478 wessf1ornlem 45632 choicefi 45646 axccdom 45667 fsumsermpt 46024 liminfval2 46211 stoweidlem31 46474 stoweidlem59 46502 stirlinglem13 46529 dirkercncflem2 46547 fourierdlem62 46611 subsaliuncllem 46800 subsaliuncl 46801 hoidmvlelem3 47040 dfafn5b 47624 fundcmpsurinjlem2 47874 upgrimwlklem1 48388 lincresunit2 48969 isofnALT 49521 |
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