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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 5910 | . 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 2203 Vcvv 2812 ↦ cmpt 4170 |
| 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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-coll 4224 ax-sep 4227 ax-pow 4286 ax-pr 4321 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-reu 2527 df-rab 2529 df-v 2814 df-sbc 3042 df-csb 3138 df-un 3214 df-in 3216 df-ss 3223 df-pw 3670 df-sn 3694 df-pr 3695 df-op 3697 df-uni 3914 df-iun 3992 df-br 4109 df-opab 4171 df-mpt 4172 df-id 4413 df-xp 4754 df-rel 4755 df-cnv 4756 df-co 4757 df-dm 4758 df-rn 4759 df-res 4760 df-ima 4761 df-iota 5311 df-fun 5353 df-fn 5354 df-f 5355 df-f1 5356 df-fo 5357 df-f1o 5358 df-fv 5359 |
| This theorem is referenced by: mptrabex 5913 eufnfv 5916 abrexex 6309 ofmres 6328 difinfsn 7390 ctmlemr 7398 ctssdclemn0 7400 ctssdc 7403 enumct 7405 frec2uzrand 10766 frec2uzf1od 10767 frecfzennn 10787 uzennn 10797 0tonninf 10801 1tonninf 10802 hashinfom 11139 absval 11682 climle 12015 climcvg1nlem 12030 iserabs 12157 isumshft 12172 divcnv 12179 trireciplem 12182 expcnvap0 12184 expcnvre 12185 expcnv 12186 explecnv 12187 geolim 12193 geo2lim 12198 mertenslem2 12218 eftlub 12372 nninfctlemfo 12732 nninfct 12733 1arithlem1 13057 1arith 13061 ctiunct 13183 restfn 13448 cndsex 14693 metuex 14695 zrhval2 14759 ivthreinc 15502 elply 15591 depindlem1 16493 peano4nninf 16776 peano3nninf 16777 nninfsellemeq 16784 nninfsellemeqinf 16786 dceqnconst 16837 dcapnconst 16838 |
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