Definition df-c 7619

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 7611	. 2 class ℂ
2		cnr 7098	. . 3 class R
3	2, 2	cxp 4532	. 2 class (R × R)
4	1, 3	wceq 1331	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7627  0ncn  7632  cnm  7633  addcnsr  7635  mulcnsr  7636  dfcnqs  7642  addvalex  7645  axcnex  7660  axresscn  7661  axaddcl  7665  axmulcl  7667  axaddcom  7671  ax0id  7679  axcnre  7682