Metamath Proof Explorer


Definition df-crngo

Description: Define the class of commutative rings. (Contributed by Jeff Madsen, 8-Jun-2010)

Ref Expression
Assertion df-crngo CRingOps=RingOpsCom2

Detailed syntax breakdown

Step Hyp Ref Expression
0 ccring classCRingOps
1 crngo classRingOps
2 ccm2 classCom2
3 1 2 cin classRingOpsCom2
4 0 3 wceq wffCRingOps=RingOpsCom2