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| Mirrors > Home > MPE Home > Th. List > mpoexga | Structured version Visualization version GIF version | ||
| Description: If the domain of an operation given by maps-to notation is a set, the operation is a set. (Contributed by NM, 12-Sep-2011.) |
| Ref | Expression |
|---|---|
| mpoexga | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 2 | 1 | mpoexg 8124 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2147 Vcvv 3454 ∈ cmpo 7453 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-oprab 7455 df-mpo 7456 df-1st 8035 df-2nd 8036 |
| This theorem is used by: el2mpocsbcl 8131 bropopvvv 8136 bropfvvvv 8138 prdsip 17682 imasds 17735 isofn 18000 setchomfval 18304 setccofval 18307 estrchomfval 18350 estrccofval 18353 lsmvalx 19904 dfrngc2 20931 funcrngcsetc 20943 dfringc2 20960 funcringcsetc 20977 mamuval 22763 mamudm 22765 marrepfval 22930 marrepval0 22931 marrepval 22932 marepvfval 22935 marepvval 22937 submaval0 22950 submaval 22951 maduval 23008 minmar1val0 23017 minmar1val 23018 mat2pmatval 23097 mat2pmatf 23101 m2cpmf 23115 cpm2mval 23123 decpmatval0 23137 decpmatmul 23145 pmatcollpw2lem 23150 pmatcollpw3lem 23156 mply1topmatval 23177 mp2pm2mplem1 23179 xkoptsub 24028 precsexlem11 28660 grpodivfval 31193 pstmval 34638 sxsigon 34936 cndprobval 35176 lmod1lem1 49930 lmod1lem2 49931 lmod1lem3 49932 lmod1lem4 49933 lmod1lem5 49934 2arymaptfv 50094 2arymaptfo 50097 invfn 50475 |
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