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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-cmgm2 | Structured version Visualization version GIF version |
Description: A commutative magma is a magma with a commutative operation. Definition 8 of [BourbakiAlg1] p. 7. (Contributed by AV, 20-Jan-2020.) |
Ref | Expression |
---|---|
df-cmgm2 | ⊢ CMgmALT = {𝑚 ∈ MgmALT ∣ (+g‘𝑚) comLaw (Base‘𝑚)} |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ccmgm2 45410 | . 2 class CMgmALT | |
2 | vm | . . . . . 6 setvar 𝑚 | |
3 | 2 | cv 1538 | . . . . 5 class 𝑚 |
4 | cplusg 16962 | . . . . 5 class +g | |
5 | 3, 4 | cfv 6433 | . . . 4 class (+g‘𝑚) |
6 | cbs 16912 | . . . . 5 class Base | |
7 | 3, 6 | cfv 6433 | . . . 4 class (Base‘𝑚) |
8 | ccomlaw 45379 | . . . 4 class comLaw | |
9 | 5, 7, 8 | wbr 5074 | . . 3 wff (+g‘𝑚) comLaw (Base‘𝑚) |
10 | cmgm2 45409 | . . 3 class MgmALT | |
11 | 9, 2, 10 | crab 3068 | . 2 class {𝑚 ∈ MgmALT ∣ (+g‘𝑚) comLaw (Base‘𝑚)} |
12 | 1, 11 | wceq 1539 | 1 wff CMgmALT = {𝑚 ∈ MgmALT ∣ (+g‘𝑚) comLaw (Base‘𝑚)} |
Colors of variables: wff setvar class |
This definition is referenced by: iscmgmALT 45418 |
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