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Who Cites eqfun p?
eqfun_pDef  IsEqFun(T;eq) == x,y:T(x eq y x = y
Thm*  T:Type, eq:(TT). IsEqFun(T;eq Prop
assertDef  b == if b True else False fi
Thm*  b:b  Prop
iffDef  P  Q == (P  Q) & (P  Q)
Thm*  A,B:Prop. (A  B Prop
rev_impliesDef  P  Q == Q  P
Thm*  A,B:Prop. (A  B Prop

Syntax:IsEqFun(T;eq) has structure: eqfun_p(Teq)

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boolifthenelseassertfunctionuniverseequalmember
propimpliesandfalsetrueall!abstraction
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WhoCites Definitions LogicSupplement Sections DiscrMathExt Doc