Definition df-c 8001

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 7993	. 2 class CC
2		cnr 7480	. . 3 class R.
3	2, 2	cxp 4716	. 2 class ( R. X. R. )
4	1, 3	wceq 1395	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8009  0ncn  8014  cnm  8015  addcnsr  8017  mulcnsr  8018  dfcnqs  8024  addvalex  8027  axcnex  8042  axresscn  8043  axaddcl  8047  axmulcl  8049  axaddcom  8053  ax0id  8061  axcnre  8064