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Definition df-c 7356
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 7348 . 2  class  CC
2 cnr 6856 . . 3  class  R.
32, 2cxp 4436 . 2  class  ( R. 
X.  R. )
41, 3wceq 1289 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  7364  0ncn  7369  addcnsr  7371  mulcnsr  7372  dfcnqs  7378  addvalex  7381  axcnex  7396  axresscn  7397  axaddcl  7401  axmulcl  7403  axaddcom  7405  ax0id  7413  axcnre  7416
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