Description: Afield is a commutative division ring. (Contributed by Mario Carneiro, 17-Jun-2015)
| Ref | Expression | ||
|---|---|---|---|
| Assertion | df-field | |- Field = ( DivRing i^i CRing )  | 
				
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 0 | cfield | |- Field  | 
						|
| 1 | cdr | |- DivRing  | 
						|
| 2 | ccrg | |- CRing  | 
						|
| 3 | 1 2 | cin | |- ( DivRing i^i CRing )  | 
						
| 4 | 0 3 | wceq | |- Field = ( DivRing i^i CRing )  |