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Mirrors > Home > ILE Home > Th. List > mptex | GIF version |
Description: If the domain of a function given by maps-to notation is a set, the function is a set. (Contributed by NM, 22-Apr-2005.) (Revised by Mario Carneiro, 20-Dec-2013.) |
Ref | Expression |
---|---|
mptex.1 | ⊢ 𝐴 ∈ V |
Ref | Expression |
---|---|
mptex | ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mptex.1 | . 2 ⊢ 𝐴 ∈ V | |
2 | mptexg 5744 | . 2 ⊢ (𝐴 ∈ V → (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ V) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐵) ∈ V |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 2148 Vcvv 2739 ↦ cmpt 4066 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-coll 4120 ax-sep 4123 ax-pow 4176 ax-pr 4211 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-reu 2462 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 |
This theorem is referenced by: mptrabex 5747 eufnfv 5750 abrexex 6121 ofmres 6140 difinfsn 7102 ctmlemr 7110 ctssdclemn0 7112 ctssdc 7115 enumct 7117 frec2uzrand 10408 frec2uzf1od 10409 frecfzennn 10429 uzennn 10439 0tonninf 10442 1tonninf 10443 hashinfom 10761 absval 11013 climle 11345 climcvg1nlem 11360 iserabs 11486 isumshft 11501 divcnv 11508 trireciplem 11511 expcnvap0 11513 expcnvre 11514 expcnv 11515 explecnv 11516 geolim 11522 geo2lim 11527 mertenslem2 11547 eftlub 11701 1arithlem1 12364 1arith 12368 ctiunct 12444 restfn 12698 peano4nninf 14917 peano3nninf 14918 nninfsellemeq 14925 nninfsellemeqinf 14927 dceqnconst 14970 dcapnconst 14971 |
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