Definition df-c 11133

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11160. (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 11125	. 2 class ℂ
2		cnr 10877	. . 3 class R
3	2, 2	cxp 5652	. 2 class (R × R)
4	1, 3	wceq 1540	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11141  0ncn  11145  addcnsr  11147  mulcnsr  11148  dfcnqs  11154  axaddf  11157  axmulf  11158  axcnex  11159  axresscn  11160  axcnre  11176  wuncn  11182  bj-inftyexpitaudisj  37169