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2009
IEEE
14 years 4 days ago
Logical Step-Indexed Logical Relations
We show how to reason about “step-indexed” logitions in an abstract way, avoiding the tedious, error-prone, and proof-obscuring step-index arithmetic that seems superficially...
Derek Dreyer, Amal Ahmed, Lars Birkedal
ESOP
2006
Springer
13 years 9 months ago
Step-Indexed Syntactic Logical Relations for Recursive and Quantified Types
We present a sound and complete proof technique, based on syntactic logical relations, for showing contextual equivalence of expressions in a -calculus with recursive types and imp...
Amal J. Ahmed
EUSFLAT
2009
125views Fuzzy Logic» more  EUSFLAT 2009»
13 years 3 months ago
Fuzzy Intersection and Difference Model for Topological Relations
Ahed Alboody, Florence Sedes, Jordi Inglada