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 ) |