Definition df-c 10877

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 10904. (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 10869	. 2 class ℂ
2		cnr 10621	. . 3 class R
3	2, 2	cxp 5587	. 2 class (R × R)
4	1, 3	wceq 1539	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  10885  0ncn  10889  addcnsr  10891  mulcnsr  10892  dfcnqs  10898  axaddf  10901  axmulf  10902  axcnex  10903  axresscn  10904  axcnre  10920  wuncn  10926  bj-inftyexpitaudisj  35376