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Definition df-c 7753
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 7745 . 2  class  CC
2 cnr 7232 . . 3  class  R.
32, 2cxp 4599 . 2  class  ( R. 
X.  R. )
41, 3wceq 1342 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  7761  0ncn  7766  cnm  7767  addcnsr  7769  mulcnsr  7770  dfcnqs  7776  addvalex  7779  axcnex  7794  axresscn  7795  axaddcl  7799  axmulcl  7801  axaddcom  7805  ax0id  7813  axcnre  7816
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