Definition df-c 8138

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 8130	. 2 class ℂ
2		cnr 7617	. . 3 class R
3	2, 2	cxp 4749	. 2 class (R × R)
4	1, 3	wceq 1398	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  8146  0ncn  8151  cnm  8152  addcnsr  8154  mulcnsr  8155  dfcnqs  8161  addvalex  8164  axcnex  8179  axresscn  8180  axaddcl  8184  axmulcl  8186  axaddcom  8190  ax0id  8198  axcnre  8201