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Definition df-c 7633
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
StepHypRef Expression
1 cc 7625 . 2  class  CC
2 cnr 7112 . . 3  class  R.
32, 2cxp 4537 . 2  class  ( R. 
X.  R. )
41, 3wceq 1331 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  7641  0ncn  7646  cnm  7647  addcnsr  7649  mulcnsr  7650  dfcnqs  7656  addvalex  7659  axcnex  7674  axresscn  7675  axaddcl  7679  axmulcl  7681  axaddcom  7685  ax0id  7693  axcnre  7696
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