Definition df-c 7885

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 7877	. 2 class ℂ
2		cnr 7364	. . 3 class R
3	2, 2	cxp 4661	. 2 class (R × R)
4	1, 3	wceq 1364	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7893  0ncn  7898  cnm  7899  addcnsr  7901  mulcnsr  7902  dfcnqs  7908  addvalex  7911  axcnex  7926  axresscn  7927  axaddcl  7931  axmulcl  7933  axaddcom  7937  ax0id  7945  axcnre  7948