Carnegie Mellon University
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A Concurrent Logical Framework: The Propositional Fragment

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journal contribution
posted on 1979-01-01, 00:00 authored by Kevin Watkins, Iliano Cervesato, Frank Pfenning, David Walker
We present the propositional fragment CLF0 of the Concurrent Logical Framework (CLF). CLF extends the Linear Logical Framework to allow the natural representation of concurrent computations in an object language. The underlying type theory uses monadic types to segregate values from computations. This separation leads to a tractable notion of definitional equality that identifies computations differing only in the order of execution of independent steps. From a logical point of view our type theory can be seen as a novel combination of lax logic and dual intuitionistic linear logic. An encoding of a small Petri net exemplifies the representation methodology, which can be summarized as “concurrent computations as monadic expressions”.


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