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Definition df-c 7847
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 7839 . 2  class  CC
2 cnr 7326 . . 3  class  R.
32, 2cxp 4642 . 2  class  ( R. 
X.  R. )
41, 3wceq 1364 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  7855  0ncn  7860  cnm  7861  addcnsr  7863  mulcnsr  7864  dfcnqs  7870  addvalex  7873  axcnex  7888  axresscn  7889  axaddcl  7893  axmulcl  7895  axaddcom  7899  ax0id  7907  axcnre  7910
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