Definition df-c 8038

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 8030	. 2 class ℂ
2		cnr 7517	. . 3 class R
3	2, 2	cxp 4723	. 2 class (R × R)
4	1, 3	wceq 1397	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  8046  0ncn  8051  cnm  8052  addcnsr  8054  mulcnsr  8055  dfcnqs  8061  addvalex  8064  axcnex  8079  axresscn  8080  axaddcl  8084  axmulcl  8086  axaddcom  8090  ax0id  8098  axcnre  8101