Definition df-c 11036

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11063. (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 11028	. 2 class ℂ
2		cnr 10780	. . 3 class R
3	2, 2	cxp 5623	. 2 class (R × R)
4	1, 3	wceq 1542	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11044  0ncn  11048  addcnsr  11050  mulcnsr  11051  dfcnqs  11057  axaddf  11060  axmulf  11061  axcnex  11062  axresscn  11063  axcnre  11079  wuncn  11085  bj-inftyexpitaudisj  37381