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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 5936 | . 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 2209 Vcvv 2821 ↦ cmpt 4190 |
| 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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4244 ax-sep 4247 ax-pow 4309 ax-pr 4344 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3714 df-pr 3715 df-op 3717 df-uni 3934 df-iun 4012 df-br 4129 df-opab 4191 df-mpt 4192 df-id 4436 df-xp 4778 df-rel 4779 df-cnv 4780 df-co 4781 df-dm 4782 df-rn 4783 df-res 4784 df-ima 4785 df-iota 5335 df-fun 5377 df-fn 5378 df-f 5379 df-f1 5380 df-fo 5381 df-f1o 5382 df-fv 5383 |
| This theorem is referenced by: mptrabex 5940 eufnfv 5943 abrexex 6340 ofmres 6363 difinfsn 7434 ctmlemr 7442 ctssdclemn0 7444 ctssdc 7447 enumct 7449 frec2uzrand 10825 frec2uzf1od 10826 frecfzennn 10846 uzennn 10856 0tonninf 10860 1tonninf 10861 hashinfom 11200 absval 11750 climle 12083 climcvg1nlem 12098 iserabs 12225 isumshft 12240 divcnv 12247 trireciplem 12250 expcnvap0 12252 expcnvre 12253 expcnv 12254 explecnv 12255 geolim 12261 geo2lim 12266 mertenslem2 12286 eftlub 12440 nninfctlemfo 12800 nninfct 12801 1arithlem1 13125 1arith 13129 ballotfilemfval 13212 ballotfilemsval 13235 ballotfilemrval 13244 ballotfilem7 13262 ctiunct 13314 restfn 13580 cndsex 14873 metuex 14875 zrhval2 14937 ivthreinc 15729 elply 15818 depindlem1 16730 peano4nninf 17023 peano3nninf 17024 nninfsellemeq 17031 nninfsellemeqinf 17033 dceqnconst 17084 dcapnconst 17085 |
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