Definition df-c 7453

Description: Define the set of complex numbers. (Contributed by NM, 22-Feb-1996.)

Assertion

Ref	Expression
df-c	⊢ ℂ = (R × R)

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 7445	. 2 class ℂ
2		cnr 6953	. . 3 class R
3	2, 2	cxp 4465	. 2 class (R × R)
4	1, 3	wceq 1296	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7461  0ncn  7466  addcnsr  7468  mulcnsr  7469  dfcnqs  7475  addvalex  7478  axcnex  7493  axresscn  7494  axaddcl  7498  axmulcl  7500  axaddcom  7502  ax0id  7510  axcnre  7513