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Definition df-c 8759
Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 8786. (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 8751 . 2  class  CC
2 cnr 8505 . . 3  class  R.
32, 2cxp 4703 . 2  class  ( R. 
X.  R. )
41, 3wceq 1632 1  wff  CC  =  ( R.  X.  R. )
Colors of variables: wff set class
This definition is referenced by:  opelcn  8767  0ncn  8771  addcnsr  8773  mulcnsr  8774  dfcnqs  8780  axaddf  8783  axmulf  8784  axcnex  8785  axresscn  8786  axcnre  8802  wuncn  8808
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