Definition df-c 7626

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 7618	. 2 class CC
2		cnr 7105	. . 3 class R.
3	2, 2	cxp 4537	. 2 class ( R. X. R. )
4	1, 3	wceq 1331	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  7634  0ncn  7639  cnm  7640  addcnsr  7642  mulcnsr  7643  dfcnqs  7649  addvalex  7652  axcnex  7667  axresscn  7668  axaddcl  7672  axmulcl  7674  axaddcom  7678  ax0id  7686  axcnre  7689