Definition df-c 11034

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11061. (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 11026	. 2 class ℂ
2		cnr 10778	. . 3 class R
3	2, 2	cxp 5621	. 2 class (R × R)
4	1, 3	wceq 1540	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11042  0ncn  11046  addcnsr  11048  mulcnsr  11049  dfcnqs  11055  axaddf  11058  axmulf  11059  axcnex  11060  axresscn  11061  axcnre  11077  wuncn  11083  bj-inftyexpitaudisj  37178