Definition df-c 8192

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 8184	. 2 class ℂ
2		cnr 7671	. . 3 class R
3	2, 2	cxp 4774	. 2 class (R × R)
4	1, 3	wceq 1402	1 wff ℂ = (R × R)

This definition is used by:  opelcn  8200  0ncn  8205  cnm  8206  addcnsr  8208  mulcnsr  8209  dfcnqs  8215  addvalex  8218  axcnex  8233  axresscn  8234  axaddcl  8238  axmulcl  8240  axaddcom  8244  ax0id  8252  axcnre  8255