Definition df-c 8021

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 8013	. 2 class ℂ
2		cnr 7500	. . 3 class R
3	2, 2	cxp 4718	. 2 class (R × R)
4	1, 3	wceq 1395	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  8029  0ncn  8034  cnm  8035  addcnsr  8037  mulcnsr  8038  dfcnqs  8044  addvalex  8047  axcnex  8062  axresscn  8063  axaddcl  8067  axmulcl  8069  axaddcom  8073  ax0id  8081  axcnre  8084