Definition df-idom 13894

Description: An integral domain is a commutative domain. (Contributed by Mario Carneiro, 17-Jun-2015.)

Assertion

Ref	Expression
df-idom	⊢ IDomn = (CRing ∩ Domn)

Detailed syntax breakdown of Definition df-idom

Step	Hyp	Ref	Expression
1		cidom 13891	. 2 class IDomn
2		ccrg 13631	. . 3 class CRing
3		cdomn 13890	. . 3 class Domn
4	2, 3	cin 3156	. 2 class (CRing ∩ Domn)
5	1, 4	wceq 1364	1 wff IDomn = (CRing ∩ Domn)

This definition is referenced by:  isidom  13910  idomdomd  13911  idomcringd  13912