Definition df-c 9392

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 9419. (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 9384	. 2 class CC
2		cnr 9138	. . 3 class R.
3	2, 2	cxp 4939	. 2 class ( R. X. R. )
4	1, 3	wceq 1370	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  9400  0ncn  9404  addcnsr  9406  mulcnsr  9407  dfcnqs  9413  axaddf  9416  axmulf  9417  axcnex  9418  axresscn  9419  axcnre  9435  wuncn  9441