Definition df-c 7633

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 7625	. 2 class ℂ
2		cnr 7112	. . 3 class R
3	2, 2	cxp 4537	. 2 class (R × R)
4	1, 3	wceq 1331	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7641  0ncn  7646  cnm  7647  addcnsr  7649  mulcnsr  7650  dfcnqs  7656  addvalex  7659  axcnex  7674  axresscn  7675  axaddcl  7679  axmulcl  7681  axaddcom  7685  ax0id  7693  axcnre  7696