Definition df-c 8016

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 8008	. 2 class CC
2		cnr 7495	. . 3 class R.
3	2, 2	cxp 4717	. 2 class ( R. X. R. )
4	1, 3	wceq 1395	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8024  0ncn  8029  cnm  8030  addcnsr  8032  mulcnsr  8033  dfcnqs  8039  addvalex  8042  axcnex  8057  axresscn  8058  axaddcl  8062  axmulcl  8064  axaddcom  8068  ax0id  8076  axcnre  8079