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Popescu, Andrei; Rosu, Grigore (200505)We show that any institution I satisfying some reasonable conditions can be transformed into another institution, Ib, which captures formally and abstractly the intuitions of adding support for behavioral equivalence and ...
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Popescu, Andrei (20110114)We develop a theory of syntax with bindings, focusing on:  methodological issues concerning the convenient representation of syntax;  techniques for recursive definitions and inductive reasoning. Our approach ...
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Popescu, Andrei (200903)Combining traces, coalgebra and lazyfiltering channel configurations for parallel composition, we give a fullyabstract denotational semantics for the picalculus under weak early bisimilarity.
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Popescu, Andrei (200903)Combining traces, coalgebra and lazyfiltering channel configurations for parallel composition, we give a fullyabstract denotational semantics for the picalculus under weak early bisimilarity.
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Popescu, Andrei; Rosu, Grigore (200607)Generic firstorder logic (GFOL) is a firstorder logic parameterized with terms defined axiomatically (rather than constructively), by requiring them to only provide generic notions of free variable and substitution ...
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Popescu, Andrei (20090511)We develop some HigherOrder Abstract Syntax (HOAS) concepts and proof principles as a collection of definitions and propositions on top of the original syntax with bindings. Our approach brings together hasslefree ...
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Popescu, Andrei; Gunter, Elsa L. (20100128)We present a coinductive proof system for bisimilarity in transition systems specifiable in the de Simone SOS format. Our coinduction is incremental, in that it allows building incrementally an a priori unknown bisimulation, ...
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Popescu, Andrei (2010)This is a browsable html document presenting an Isabelle formalization of a general theory of syntax with static bindings and substitution.
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Popescu, Andrei (2010)This document presents and Isabelle formalization of a general theory of syntax with bindings. It also includes some case studies from the theory of lambdacalculus.
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Popescu, Andrei (20100128)
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Popescu, Andrei; Serbanuta, Traian Florin; Rosu, Grigore (200505)Interpolation results are investigated for various types of formulae. By shifting the focus from syntactic to semantic interpolation, we generate, prove and classify more than twenty interpolation results for firstorder ...
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Popescu, Andrei; Gunter, Elsa L.; Osborn, Christopher J. (2010)We present a point of view concerning HOAS (HigherOrder Abstract Syntax) and an extensive exercise in HOAS along this point of view. The point of view is that HOAS can be soundly and fruitfully regarded as a {\em ...
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Popescu, Andrei; Rosu, Grigore (200901)Termgeneric logic (TGL) is a firstorder logic parameterized with terms defined axiomatically (rather than constructively), by requiring them to only provide generic notions of free variable and substitution satisfying ...
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Popescu, Andrei; Rosu, Grigore (200901)Termgeneric logic (TGL) is a firstorder logic parameterized with terms defined axiomatically (rather than constructively), by requiring them to only provide generic notions of free variable and substitution satisfying ...
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PDF (666Kb)
Now showing items 114 of 14