Definition df-c 9553

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 9580. (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 9545	. 2 class CC
2		cnr 9298	. . 3 class R.
3	2, 2	cxp 4851	. 2 class ( R. X. R. )
4	1, 3	wceq 1437	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  9561  0ncn  9565  addcnsr  9567  mulcnsr  9568  dfcnqs  9574  axaddf  9577  axmulf  9578  axcnex  9579  axresscn  9580  axcnre  9596  wuncn  9602