Definition df-c 8028

Description: Define the set of complex numbers. (Contributed by NM, 22-Feb-1996.)

Assertion

Ref	Expression
df-c	|- CC = ( R. X. R. )

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 8020	. 2 class CC
2		cnr 7507	. . 3 class R.
3	2, 2	cxp 4721	. 2 class ( R. X. R. )
4	1, 3	wceq 1395	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8036  0ncn  8041  cnm  8042  addcnsr  8044  mulcnsr  8045  dfcnqs  8051  addvalex  8054  axcnex  8069  axresscn  8070  axaddcl  8074  axmulcl  8076  axaddcom  8080  ax0id  8088  axcnre  8091