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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 2760 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 2 | 1 | mpoexg 8076 | 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 2145 Vcvv 3450 ∈ cmpo 7416 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 |
| 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 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-oprab 7418 df-mpo 7419 df-1st 7987 df-2nd 7988 |
| This theorem is used by: el2mpocsbcl 8083 bropopvvv 8088 bropfvvvv 8090 prdsip 17549 imasds 17602 isofn 17867 setchomfval 18171 setccofval 18174 estrchomfval 18217 estrccofval 18220 lsmvalx 19769 dfrngc2 20793 funcrngcsetc 20805 dfringc2 20822 funcringcsetc 20839 mamuval 22618 mamudm 22620 marrepfval 22785 marrepval0 22786 marrepval 22787 marepvfval 22790 marepvval 22792 submaval0 22805 submaval 22806 maduval 22863 minmar1val0 22872 minmar1val 22873 mat2pmatval 22952 mat2pmatf 22956 m2cpmf 22970 cpm2mval 22978 decpmatval0 22992 decpmatmul 23000 pmatcollpw2lem 23005 pmatcollpw3lem 23011 mply1topmatval 23032 mp2pm2mplem1 23034 xkoptsub 23883 precsexlem11 28485 grpodivfval 31018 pstmval 34408 sxsigon 34706 cndprobval 34947 lmod1lem1 49420 lmod1lem2 49421 lmod1lem3 49422 lmod1lem4 49423 lmod1lem5 49424 2arymaptfv 49584 2arymaptfo 49587 invfn 49959 |
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