Definition df-c 7902

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 7894	. 2 class ℂ
2		cnr 7381	. . 3 class R
3	2, 2	cxp 4662	. 2 class (R × R)
4	1, 3	wceq 1364	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7910  0ncn  7915  cnm  7916  addcnsr  7918  mulcnsr  7919  dfcnqs  7925  addvalex  7928  axcnex  7943  axresscn  7944  axaddcl  7948  axmulcl  7950  axaddcom  7954  ax0id  7962  axcnre  7965