Unification and ML-Type Reconstruction

  title={Unification and ML-Type Reconstruction},
  author={Paris C. Kanellakis and Harry G. Mairson and John C. Mitchell},
  booktitle={Computational Logic - Essays in Honor of Alan Robinson},
We study the complexity of type reconstruction for a core fragment of ML with lambda abstraction, function application, and the polymorphic let declaration. We derive exponential upper and lower bounds on recognizing the typable core ML expressions. Our primary technical tool is uniication of succinctly represented type expressions. After observing that core ML expressions, of size n, can be typed in DTIME(2 n), we exhibit two diierent families of programs whose principal types grow… CONTINUE READING
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Publications referenced by this paper.

Combinatory Logic I

  • H. B. Curry, R. Feys
  • North-Holland
  • 1958

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