Description: A group is a monoid. (Contributed by SN, 1-Jun-2024)
| Ref | Expression | ||
|---|---|---|---|
| Hypothesis | grpmndd.1 | ⊢ ( 𝜑 → 𝐺 ∈ Grp ) | |
| Assertion | grpmndd | ⊢ ( 𝜑 → 𝐺 ∈ Mnd ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | grpmndd.1 | ⊢ ( 𝜑 → 𝐺 ∈ Grp ) | |
| 2 | grpmnd | ⊢ ( 𝐺 ∈ Grp → 𝐺 ∈ Mnd ) | |
| 3 | 1 2 | syl | ⊢ ( 𝜑 → 𝐺 ∈ Mnd ) |