Navigating through tree structures is a core operation in tree processing programs. Most notably, XML processing programs intensively use XPath, the path specification language t...
The theory of nominal sets is a theory for names, freshness and binders. It has recently been suggested as a framework for modelling local store because it allows for a more eleme...
We present a local relational reasoning method for reasoning about contextual equivalence of expressions in a λ-calculus with recursive types and general references. Our developme...