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» Second-order logic on equivalence relations
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ENTCS
2007
82views more  ENTCS 2007»
13 years 7 months ago
Syntactic Logical Relations for Polymorphic and Recursive Types
The method of logical relations assigns a relational interpretation to types that expresses operational invariants satisfied by all terms of a type. The method is widely used in ...
Karl Crary, Robert Harper
ADC
2006
Springer
128views Database» more  ADC 2006»
14 years 1 months ago
Horn clauses and functional dependencies in complex-value databases
We extend Fagin’s result on the equivalence between functional dependencies in relational databases and propositional Horn clauses. It is shown that this equivalence still holds...
Sven Hartmann, Sebastian Link
ICFP
2008
ACM
14 years 7 months ago
Typed closure conversion preserves observational equivalence
Language-based security relies on the assumption that all potential attacks are bound by the rules of the language in question. When programs are compiled into a different languag...
Amal Ahmed, Matthias Blume
CONCUR
2006
Springer
13 years 9 months ago
Model Checking Quantified Computation Tree Logic
Propositional temporal logic is not suitable for expressing properties on the evolution of dynamically allocated entities over time. In particular, it is not possible to trace such...
Arend Rensink
CSL
1999
Springer
13 years 11 months ago
Pre-logical Relations
Abstract. We study a weakening of the notion of logical relations, called prelogical relations, that has many of the features that make logical relations so useful but having furth...
Furio Honsell, Donald Sannella