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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 2761 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 2 | 1 | mpoexg 8089 | 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 3451 ∈ cmpo 7422 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 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 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 |
| This theorem is used by: el2mpocsbcl 8096 bropopvvv 8101 bropfvvvv 8103 prdsip 17632 imasds 17685 isofn 17950 setchomfval 18254 setccofval 18257 estrchomfval 18300 estrccofval 18303 lsmvalx 19853 dfrngc2 20880 funcrngcsetc 20892 dfringc2 20909 funcringcsetc 20926 mamuval 22708 mamudm 22710 marrepfval 22875 marrepval0 22876 marrepval 22877 marepvfval 22880 marepvval 22882 submaval0 22895 submaval 22896 maduval 22953 minmar1val0 22962 minmar1val 22963 mat2pmatval 23042 mat2pmatf 23046 m2cpmf 23060 cpm2mval 23068 decpmatval0 23082 decpmatmul 23090 pmatcollpw2lem 23095 pmatcollpw3lem 23101 mply1topmatval 23122 mp2pm2mplem1 23124 xkoptsub 23973 precsexlem11 28603 grpodivfval 31136 pstmval 34527 sxsigon 34825 cndprobval 35065 lmod1lem1 49598 lmod1lem2 49599 lmod1lem3 49600 lmod1lem4 49601 lmod1lem5 49602 2arymaptfv 49762 2arymaptfo 49765 invfn 50137 |
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