Description: Define the class of commutative rings. (Contributed by Jeff Madsen, 8-Jun-2010)
Ref | Expression | ||
---|---|---|---|
Assertion | df-crngo | |- CRingOps = ( RingOps i^i Com2 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
0 | ccring | |- CRingOps |
|
1 | crngo | |- RingOps |
|
2 | ccm2 | |- Com2 |
|
3 | 1 2 | cin | |- ( RingOps i^i Com2 ) |
4 | 0 3 | wceq | |- CRingOps = ( RingOps i^i Com2 ) |