Metamath Proof Explorer


Theorem cmnmndd

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 )

Proof

Step Hyp Ref Expression
1 cmnmndd.1 ⊢ ( 𝜑 → 𝐺 ∈ CMnd )
2 cmnmnd ⊢ ( 𝐺 ∈ CMnd → 𝐺 ∈ Mnd )
3 1 2 syl ⊢ ( 𝜑 → 𝐺 ∈ Mnd )