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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 5874 | . 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 2200 Vcvv 2800 ↦ cmpt 4148 |
| 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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-coll 4202 ax-sep 4205 ax-pow 4262 ax-pr 4297 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2802 df-sbc 3030 df-csb 3126 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3892 df-iun 3970 df-br 4087 df-opab 4149 df-mpt 4150 df-id 4388 df-xp 4729 df-rel 4730 df-cnv 4731 df-co 4732 df-dm 4733 df-rn 4734 df-res 4735 df-ima 4736 df-iota 5284 df-fun 5326 df-fn 5327 df-f 5328 df-f1 5329 df-fo 5330 df-f1o 5331 df-fv 5332 |
| This theorem is referenced by: mptrabex 5877 eufnfv 5880 abrexex 6274 ofmres 6293 difinfsn 7293 ctmlemr 7301 ctssdclemn0 7303 ctssdc 7306 enumct 7308 frec2uzrand 10660 frec2uzf1od 10661 frecfzennn 10681 uzennn 10691 0tonninf 10695 1tonninf 10696 hashinfom 11033 absval 11555 climle 11888 climcvg1nlem 11903 iserabs 12029 isumshft 12044 divcnv 12051 trireciplem 12054 expcnvap0 12056 expcnvre 12057 expcnv 12058 explecnv 12059 geolim 12065 geo2lim 12070 mertenslem2 12090 eftlub 12244 nninfctlemfo 12604 nninfct 12605 1arithlem1 12929 1arith 12933 ctiunct 13054 restfn 13319 cndsex 14560 metuex 14562 zrhval2 14626 ivthreinc 15362 elply 15451 peano4nninf 16558 peano3nninf 16559 nninfsellemeq 16566 nninfsellemeqinf 16568 dceqnconst 16614 dcapnconst 16615 |
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