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Definition df-c 10532
Description: Define the set of complex numbers. The 23 axioms for complex numbers start at axresscn 10559. (Contributed by NM, 22-Feb-1996.) (New usage is discouraged.)
Assertion
Ref Expression
df-c ℂ = (R × R)

Detailed syntax breakdown of Definition df-c
StepHypRef Expression
1 cc 10524 . 2 class
2 cnr 10276 . . 3 class R
32, 2cxp 5547 . 2 class (R × R)
41, 3wceq 1528 1 wff ℂ = (R × R)
Colors of variables: wff setvar class
This definition is referenced by:  opelcn  10540  0ncn  10544  addcnsr  10546  mulcnsr  10547  dfcnqs  10553  axaddf  10556  axmulf  10557  axcnex  10558  axresscn  10559  axcnre  10575  wuncn  10581  bj-inftyexpitaudisj  34380
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