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Definition df-c 8743
Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 8770. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-c  |-  CC  =  ( R.  X.  R. )

Detailed syntax breakdown of Definition df-c
StepHypRef Expression
1 cc 8735 . 2  class  CC
2 cnr 8489 . . 3  class  R.
32, 2cxp 4687 . 2  class  ( R. 
X.  R. )
41, 3wceq 1623 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  8751  0ncn  8755  addcnsr  8757  mulcnsr  8758  dfcnqs  8764  axaddf  8767  axmulf  8768  axcnex  8769  axresscn  8770  axcnre  8786  wuncn  8792
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