Definition df-c 8175

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 8167	. 2 class CC
2		cnr 7654	. . 3 class R.
3	2, 2	cxp 4767	. 2 class ( R. X. R. )
4	1, 3	wceq 1402	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8183  0ncn  8188  cnm  8189  addcnsr  8191  mulcnsr  8192  dfcnqs  8198  addvalex  8201  axcnex  8216  axresscn  8217  axaddcl  8221  axmulcl  8223  axaddcom  8227  ax0id  8235  axcnre  8238