Definition df-c 9544

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 9571. (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 9536	. 2 class CC
2		cnr 9289	. . 3 class R.
3	2, 2	cxp 4852	. 2 class ( R. X. R. )
4	1, 3	wceq 1437	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  9552  0ncn  9556  addcnsr  9558  mulcnsr  9559  dfcnqs  9565  axaddf  9568  axmulf  9569  axcnex  9570  axresscn  9571  axcnre  9587  wuncn  9593