| Mathbox for Alexander van der Vekens |
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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 48132 | . 2 class CMgmALT | |
| 2 | vm | . . . . . 6 setvar 𝑚 | |
| 3 | 2 | cv 1539 | . . . . 5 class 𝑚 |
| 4 | cplusg 17297 | . . . . 5 class +g | |
| 5 | 3, 4 | cfv 6561 | . . . 4 class (+g‘𝑚) |
| 6 | cbs 17247 | . . . . 5 class Base | |
| 7 | 3, 6 | cfv 6561 | . . . 4 class (Base‘𝑚) |
| 8 | ccomlaw 48101 | . . . 4 class comLaw | |
| 9 | 5, 7, 8 | wbr 5143 | . . 3 wff (+g‘𝑚) comLaw (Base‘𝑚) |
| 10 | cmgm2 48131 | . . 3 class MgmALT | |
| 11 | 9, 2, 10 | crab 3436 | . 2 class {𝑚 ∈ MgmALT ∣ (+g‘𝑚) comLaw (Base‘𝑚)} |
| 12 | 1, 11 | wceq 1540 | 1 wff CMgmALT = {𝑚 ∈ MgmALT ∣ (+g‘𝑚) comLaw (Base‘𝑚)} |
| Colors of variables: wff setvar class |
| This definition is referenced by: iscmgmALT 48140 |
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