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 |