Definition df-c 8133

Description: Define the set of complex numbers. (Contributed by NM, 22-Feb-1996.)

Assertion

Ref	Expression
df-c	|- CC = ( R. X. R. )

Detailed syntax breakdown of Definition df-c

Step	Hyp	Ref	Expression
1		cc 8125	. 2 class CC
2		cnr 7612	. . 3 class R.
3	2, 2	cxp 4747	. 2 class ( R. X. R. )
4	1, 3	wceq 1398	1 wff CC = ( R. X. R. )

This definition is referenced by:  opelcn  8141  0ncn  8146  cnm  8147  addcnsr  8149  mulcnsr  8150  dfcnqs  8156  addvalex  8159  axcnex  8174  axresscn  8175  axaddcl  8179  axmulcl  8181  axaddcom  8185  ax0id  8193  axcnre  8196