Definition df-c 7951

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 7943	. 2 class CC
2		cnr 7430	. . 3 class R.
3	2, 2	cxp 4681	. 2 class ( R. X. R. )
4	1, 3	wceq 1373	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  7959  0ncn  7964  cnm  7965  addcnsr  7967  mulcnsr  7968  dfcnqs  7974  addvalex  7977  axcnex  7992  axresscn  7993  axaddcl  7997  axmulcl  7999  axaddcom  8003  ax0id  8011  axcnre  8014