Definition df-field 19909

Description: A field is a commutative division ring. (Contributed by Mario Carneiro, 17-Jun-2015.)

Assertion

Ref	Expression
df-field	⊢ Field = (DivRing ∩ CRing)

Detailed syntax breakdown of Definition df-field

Step	Hyp	Ref	Expression
1		cfield 19907	. 2 class Field
2		cdr 19906	. . 3 class DivRing
3		ccrg 19699	. . 3 class CRing
4	2, 3	cin 3882	. 2 class (DivRing ∩ CRing)
5	1, 4	wceq 1539	1 wff Field = (DivRing ∩ CRing)

This definition is referenced by:  isfld  19915  bj-fldssdrng  35386  fldc  45529  fldhmsubc  45530  fldcALTV  45547  fldhmsubcALTV  45548