Description: Semigroups are magmas (elemental version). (Contributed by BJ, 12-Apr-2024) (Proof modification is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | bj-smgrpssmgmel | |- ( G e. Smgrp -> G e. Mgm ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bj-smgrpssmgm | |- Smgrp C_ Mgm |
|
2 | 1 | sseli | |- ( G e. Smgrp -> G e. Mgm ) |