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» Contextual modal type theory
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TLDI
2009
ACM
169views Formal Methods» more  TLDI 2009»
14 years 4 months ago
Relational parametricity for references and recursive types
We present a possible world semantics for a call-by-value higherorder programming language with impredicative polymorphism, general references, and recursive types. The model is o...
Lars Birkedal, Kristian Støvring, Jacob Tha...
POPL
2004
ACM
14 years 7 months ago
Tridirectional typechecking
In prior work we introduced a pure type assignment system that encompasses a rich set of property types, including intersections, unions, and universally and existentially quantif...
Joshua Dunfield, Frank Pfenning
LFCS
2007
Springer
14 years 1 months ago
The Intensional Lambda Calculus
We introduce a natural deduction formulation for the Logic of Proofs, a refinement of modal logic S4 in which the assertion PA is replaced by [[s]]A whose intended reading is “s...
Sergei N. Artëmov, Eduardo Bonelli
POPL
2004
ACM
14 years 7 months ago
A bisimulation for dynamic sealing
We define seal, an untyped call-by-value -calculus with primitives for protecting abstract data by sealing, and develop a bisimulation proof method that is sound and complete with...
Eijiro Sumii, Benjamin C. Pierce
POPL
2010
ACM
14 years 4 months ago
Dependent types and program equivalence
The definition of type equivalence is one of the most important design issues for any typed language. In dependentlytyped languages, because terms appear in types, this definition...
Jianzhou Zhao, Limin Jia, Stephanie Weirich, Vilhe...