Definition df-c 7913

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 7905	. 2 class CC
2		cnr 7392	. . 3 class R.
3	2, 2	cxp 4671	. 2 class ( R. X. R. )
4	1, 3	wceq 1372	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  7921  0ncn  7926  cnm  7927  addcnsr  7929  mulcnsr  7930  dfcnqs  7936  addvalex  7939  axcnex  7954  axresscn  7955  axaddcl  7959  axmulcl  7961  axaddcom  7965  ax0id  7973  axcnre  7976