Definition df-c 9501

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 9528. (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 9493	. 2 class CC
2		cnr 9246	. . 3 class R.
3	2, 2	cxp 4987	. 2 class ( R. X. R. )
4	1, 3	wceq 1383	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  9509  0ncn  9513  addcnsr  9515  mulcnsr  9516  dfcnqs  9522  axaddf  9525  axmulf  9526  axcnex  9527  axresscn  9528  axcnre  9544  wuncn  9550