Definition df-c 7847

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 7839	. 2 class CC
2		cnr 7326	. . 3 class R.
3	2, 2	cxp 4642	. 2 class ( R. X. R. )
4	1, 3	wceq 1364	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  7855  0ncn  7860  cnm  7861  addcnsr  7863  mulcnsr  7864  dfcnqs  7870  addvalex  7873  axcnex  7888  axresscn  7889  axaddcl  7893  axmulcl  7895  axaddcom  7899  ax0id  7907  axcnre  7910