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