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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 3463 | . . 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 6639 | . 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 3442 ↦ cmpt 5181 Fn wfn 6495 |
| 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 5243 ax-pr 5379 |
| 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 3402 df-v 3444 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-sn 4583 df-pr 4585 df-op 4589 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5527 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-fun 6502 df-fn 6503 |
| This theorem is referenced by: fnmptd 6641 mpt0 6642 fnmptfvd 6995 ralrnmptw 7048 ralrnmpt 7050 fmpt 7064 fmpt2d 7079 f1ocnvd 7619 offval2 7652 ofrfval2 7653 mptcnfimad 7940 fsplitfpar 8070 mptelixpg 8885 fifo 9347 cantnflem1 9610 infmap2 10139 compssiso 10296 gruiun 10722 mptnn0fsupp 13932 mptnn0fsuppr 13934 seqof 13994 rlimi2 15449 prdsbas3 17413 prdsbascl 17415 prdsdsval2 17416 quslem 17476 fnmrc 17542 isofn 17711 ghmquskerco 19228 pmtrrn 19401 pmtrfrn 19402 pmtrdifwrdellem2 19426 gsummptcl 19911 mptscmfsupp0 20893 ofco2 22410 pmatcollpw2lem 22736 neif 23059 tgrest 23118 cmpfi 23367 elptr2 23533 xkoptsub 23613 ptcmplem2 24012 ptcmplem3 24013 prdsxmetlem 24327 prdsxmslem2 24488 bcth3 25302 uniioombllem6 25560 itg2const 25712 ellimc2 25849 dvrec 25930 dvmptres3 25931 ulmss 26377 ulmdvlem1 26380 ulmdvlem2 26381 ulmdvlem3 26382 itgulm2 26389 psercn 26407 tgjustr 28562 f1o3d 32720 f1od2 32813 psgnfzto1stlem 33198 frlmdim 33793 rmulccn 34110 esumnul 34230 esum0 34231 gsumesum 34241 ofcfval2 34286 signsplypnf 34732 signsply0 34733 hgt750lemb 34838 fineqvnttrclse 35306 wevgblacfn 35329 matunitlindflem1 37871 matunitlindflem2 37872 cdlemk56 41351 dicfnN 41563 hbtlem7 43486 refsumcn 45394 wessf1ornlem 45548 choicefi 45562 axccdom 45584 fsumsermpt 45943 liminfval2 46130 stoweidlem31 46393 stoweidlem59 46421 stirlinglem13 46448 dirkercncflem2 46466 fourierdlem62 46530 subsaliuncllem 46719 subsaliuncl 46720 hoidmvlelem3 46959 dfafn5b 47525 fundcmpsurinjlem2 47763 upgrimwlklem1 48261 lincresunit2 48842 isofnALT 49394 |
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