Definition df-c 8013

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 8005	. 2 class ℂ
2		cnr 7492	. . 3 class R
3	2, 2	cxp 4717	. 2 class (R × R)
4	1, 3	wceq 1395	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  8021  0ncn  8026  cnm  8027  addcnsr  8029  mulcnsr  8030  dfcnqs  8036  addvalex  8039  axcnex  8054  axresscn  8055  axaddcl  8059  axmulcl  8061  axaddcom  8065  ax0id  8073  axcnre  8076