@MISC{Wansbrough99anovel, author = {Keith Wansbrough}, title = {A Novel Problem in Constraint-Based Type Inference}, year = {1999} }
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Abstract
this document, we have simpli ed the languages. Firstly, we have omitted constructors and case, replacing them instead by the choice operator e 1 8 e 2 which nondeterministically selects one branch to evaluate. This simpler construct retains the key property of unpredictable (by the type system) selection among alternatives. Secondly, we have omitted the (trivial) rules for type abstraction and application.