Definition df-c 9487

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 9514. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)

Assertion

Ref	Expression
df-c	|- CC = ( R. X. R. )

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 9479	. 2 class CC
2		cnr 9232	. . 3 class R.
3	2, 2	cxp 4990	. 2 class ( R. X. R. )
4	1, 3	wceq 1374	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  9495  0ncn  9499  addcnsr  9501  mulcnsr  9502  dfcnqs  9508  axaddf  9511  axmulf  9512  axcnex  9513  axresscn  9514  axcnre  9530  wuncn  9536