Definition df-c 11190

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11217. (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 11182	. 2 class ℂ
2		cnr 10934	. . 3 class R
3	2, 2	cxp 5698	. 2 class (R × R)
4	1, 3	wceq 1537	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11198  0ncn  11202  addcnsr  11204  mulcnsr  11205  dfcnqs  11211  axaddf  11214  axmulf  11215  axcnex  11216  axresscn  11217  axcnre  11233  wuncn  11239  bj-inftyexpitaudisj  37171