Definition df-c 7930

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 7922	. 2 class CC
2		cnr 7409	. . 3 class R.
3	2, 2	cxp 4672	. 2 class ( R. X. R. )
4	1, 3	wceq 1372	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  7938  0ncn  7943  cnm  7944  addcnsr  7946  mulcnsr  7947  dfcnqs  7953  addvalex  7956  axcnex  7971  axresscn  7972  axaddcl  7976  axmulcl  7978  axaddcom  7982  ax0id  7990  axcnre  7993