Definition df-c 10545

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 10572. (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 10537	. 2 class ℂ
2		cnr 10289	. . 3 class R
3	2, 2	cxp 5555	. 2 class (R × R)
4	1, 3	wceq 1537	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  10553  0ncn  10557  addcnsr  10559  mulcnsr  10560  dfcnqs  10566  axaddf  10569  axmulf  10570  axcnex  10571  axresscn  10572  axcnre  10588  wuncn  10594  bj-inftyexpitaudisj  34489