Definition df-c 11105

Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 11132. (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 11097	. 2 class ℂ
2		cnr 10849	. . 3 class R
3	2, 2	cxp 5659	. 2 class (R × R)
4	1, 3	wceq 1568	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  11113  0ncn  11117  addcnsr  11119  mulcnsr  11120  dfcnqs  11126  axaddf  11129  axmulf  11130  axcnex  11131  axresscn  11132  axcnre  11148  wuncn  11154  bj-inftyexpitaudisj  37815