Definition df-c 8149

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 8141	. 2 class CC
2		cnr 7628	. . 3 class R.
3	2, 2	cxp 4752	. 2 class ( R. X. R. )
4	1, 3	wceq 1398	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8157  0ncn  8162  cnm  8163  addcnsr  8165  mulcnsr  8166  dfcnqs  8172  addvalex  8175  axcnex  8190  axresscn  8191  axaddcl  8195  axmulcl  8197  axaddcom  8201  ax0id  8209  axcnre  8212