This paper presents a step in the development of an operational approach to program extraction in type theory. In order to get a program from a lambda term, the logical parts need...
A typed lambda calculus with categorical type constructors is introduced. It has a uniform category theoretic mechanism to declare new types. Its type structure includes categoric...
We show that unary PCF, a very small fragment of Plotkin’s PCF [?], cidable observational pre-order, and that its fully abstract model is effectively presentable. This is in ma...
for an informal presentation at CIE 2007 [2] is a typed -calculus that pursues the reuse of the term constructions both at the level of types and at the level of contexts, while en...
This paper explores the surprisingly rich design space for the simply typed lambda calculus with casts and a dynamic type. Such a calculus is the target intermediate language of th...