Definition df-fld 38021

Description: Definition of a field. A field is a commutative division ring. (Contributed by FL, 6-Sep-2009.) (Revised by Jeff Madsen, 10-Jun-2010.) (New usage is discouraged.)

Assertion

Ref	Expression
df-fld	⊢ Fld = (DivRingOps ∩ Com2)

Detailed syntax breakdown of Definition df-fld

Step	Hyp	Ref	Expression
1		cfld 38020	. 2 class Fld
2		cdrng 37977	. . 3 class DivRingOps
3		ccm2 38018	. . 3 class Com2
4	2, 3	cin 3930	. 2 class (DivRingOps ∩ Com2)
5	1, 4	wceq 1540	1 wff Fld = (DivRingOps ∩ Com2)

This definition is referenced by:  flddivrng  38028  fldcrngo  38033  isfld2  38034