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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 2765 | . 2 ⊢ (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) = (𝑥 ∈ 𝐴, 𝑦 ∈ 𝐵 ↦ 𝐶) | |
| 2 | 1 | mpoexg 8079 | 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 2146 Vcvv 3457 ∈ cmpo 7421 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-oprab 7423 df-mpo 7424 df-1st 7992 df-2nd 7993 |
| This theorem is used by: el2mpocsbcl 8086 bropopvvv 8091 bropfvvvv 8093 prdsip 17538 imasds 17591 isofn 17856 setchomfval 18160 setccofval 18163 estrchomfval 18206 estrccofval 18209 lsmvalx 19755 dfrngc2 20779 funcrngcsetc 20791 dfringc2 20808 funcringcsetc 20825 mamuval 22602 mamudm 22604 marrepfval 22769 marrepval0 22770 marrepval 22771 marepvfval 22774 marepvval 22776 submaval0 22789 submaval 22790 maduval 22847 minmar1val0 22856 minmar1val 22857 mat2pmatval 22933 mat2pmatf 22937 m2cpmf 22951 cpm2mval 22959 decpmatval0 22973 decpmatmul 22981 pmatcollpw2lem 22986 pmatcollpw3lem 22992 mply1topmatval 23013 mp2pm2mplem1 23015 xkoptsub 23864 precsexlem11 28463 grpodivfval 30959 pstmval 34351 sxsigon 34649 cndprobval 34890 lmod1lem1 49326 lmod1lem2 49327 lmod1lem3 49328 lmod1lem4 49329 lmod1lem5 49330 2arymaptfv 49490 2arymaptfo 49493 invfn 49867 |
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