Definition df-c 11044

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11071. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)

Assertion

Ref	Expression
df-c	⊢ ℂ = (R × R)

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 11036	. 2 class ℂ
2		cnr 10788	. . 3 class R
3	2, 2	cxp 5630	. 2 class (R × R)
4	1, 3	wceq 1542	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11052  0ncn  11056  addcnsr  11058  mulcnsr  11059  dfcnqs  11065  axaddf  11068  axmulf  11069  axcnex  11070  axresscn  11071  axcnre  11087  wuncn  11093  bj-inftyexpitaudisj  37449