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Lean.Elab.PreDefinition.WF.Unfold

def Lean.Elab.WF.mkUnfoldEq (preDef : PreDefinition) (unaryPreDefName : Name) (wfPreprocessProof : Meta.Simp.Result) :
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      def Lean.Elab.WF.mkBinaryUnfoldEq (preDef : PreDefinition) (unaryPreDefName : Name) :

      Derives the equational theorem for the individual functions from the equational theorem of foo._unary or foo._binary.

      It should just be a specialization of that one, due to defeq.

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