Metamath Proof Explorer


Theorem crngringd

Description: A commutative ring is a ring. (Contributed by SN, 16-May-2024)

Ref Expression
Hypothesis crngringd.1 ( 𝜑𝑅 ∈ CRing )
Assertion crngringd ( 𝜑𝑅 ∈ Ring )

Proof

Step Hyp Ref Expression
1 crngringd.1 ( 𝜑𝑅 ∈ CRing )
2 crngring ( 𝑅 ∈ CRing → 𝑅 ∈ Ring )
3 1 2 syl ( 𝜑𝑅 ∈ Ring )