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