Description: An Abelian group is a commutative monoid. (Contributed by SN, 1-Jun-2024)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | ablcmnd.1 | |- ( ph -> G e. Abel ) |
|
| Assertion | ablcmnd | |- ( ph -> G e. CMnd ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ablcmnd.1 | |- ( ph -> G e. Abel ) |
|
| 2 | ablcmn | |- ( G e. Abel -> G e. CMnd ) |
|
| 3 | 1 2 | syl | |- ( ph -> G e. CMnd ) |