Description: The complex numbers form a ring. (Contributed by Stefan O'Rear, 27-Nov-2014)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | cnring | |- CCfld e. Ring |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cncrng | |- CCfld e. CRing |
|
| 2 | crngring | |- ( CCfld e. CRing -> CCfld e. Ring ) |
|
| 3 | 1 2 | ax-mp | |- CCfld e. Ring |