Definition df-c 7816

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 7808	. 2 class ℂ
2		cnr 7295	. . 3 class R
3	2, 2	cxp 4624	. 2 class (R × R)
4	1, 3	wceq 1353	1 wff ℂ = (R × R)

This definition is referenced by:  opelcn  7824  0ncn  7829  cnm  7830  addcnsr  7832  mulcnsr  7833  dfcnqs  7839  addvalex  7842  axcnex  7857  axresscn  7858  axaddcl  7862  axmulcl  7864  axaddcom  7868  ax0id  7876  axcnre  7879