Definition df-c 10581

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 10608. (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 10573	. 2 class ℂ
2		cnr 10325	. . 3 class R
3	2, 2	cxp 5522	. 2 class (R × R)
4	1, 3	wceq 1538	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  10589  0ncn  10593  addcnsr  10595  mulcnsr  10596  dfcnqs  10602  axaddf  10605  axmulf  10606  axcnex  10607  axresscn  10608  axcnre  10624  wuncn  10630  bj-inftyexpitaudisj  34922