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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 8097 | 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 3453 ∈ cmpo 7429 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1944 ax-6 2001 ax-7 2042 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2196 ax-12 2215 ax-ext 2735 ax-rep 5234 ax-sep 5251 ax-nul 5262 ax-pow 5330 ax-pr 5394 ax-un 7758 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2101 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-reu 3369 df-rab 3416 df-v 3455 df-sbc 3742 df-csb 3851 df-ss 3900 df-dif 4049 df-in 4093 df-un 4153 df-nul 4281 df-if 4485 df-pw 4561 df-sn 4588 df-pr 4590 df-op 4838 df-uni 4870 df-iun 4955 df-br 5106 df-opab 5170 df-mpt 5189 df-id 5549 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6500 df-fun 6548 df-fn 6549 df-f 6550 df-f1 6551 df-fo 6552 df-f1o 6553 df-fv 6554 df-oprab 7431 df-mpo 7432 df-1st 8008 df-2nd 8009 |
| This theorem is used by: el2mpocsbcl 8104 bropopvvv 8109 bropfvvvv 8111 prdsip 17644 imasds 17697 isofn 17962 setchomfval 18266 setccofval 18269 estrchomfval 18312 estrccofval 18315 lsmvalx 19865 dfrngc2 20892 funcrngcsetc 20904 dfringc2 20921 funcringcsetc 20938 mamuval 22720 mamudm 22722 marrepfval 22887 marrepval0 22888 marrepval 22889 marepvfval 22892 marepvval 22894 submaval0 22907 submaval 22908 maduval 22965 minmar1val0 22974 minmar1val 22975 mat2pmatval 23054 mat2pmatf 23058 m2cpmf 23072 cpm2mval 23080 decpmatval0 23094 decpmatmul 23102 pmatcollpw2lem 23107 pmatcollpw3lem 23113 mply1topmatval 23134 mp2pm2mplem1 23136 xkoptsub 23985 precsexlem11 28615 grpodivfval 31148 pstmval 34580 sxsigon 34878 cndprobval 35118 lmod1lem1 49738 lmod1lem2 49739 lmod1lem3 49740 lmod1lem4 49741 lmod1lem5 49742 2arymaptfv 49902 2arymaptfo 49905 invfn 50283 |
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