Lax logical relations are a categorical generalisation of logical relations; though they preserve product types, they need not preserve exponential types. But, like logical relatio...
Gordon D. Plotkin, John Power, Donald Sannella, Ro...
objects, like elements of (abstract) data types in ordinary programming languages In the theory of abstract data types most often one only considers algebraic structures where all ...
Abstract. We present Zenon, an automated theorem prover for first order classical logic (with equality), based on the tableau method. Zenon is intended to be the dedicated prover ...
Logics as Dialgebras Alessandra Palmigiano Departament de L`ogica, Hist`oria i Filosofia de la Ci`encia, Universitat de Barcelona The aim of this report is to propose a line of re...
Relation were invented by Tarski and his collaborators in the middle of the twentieth century. The concept of integrality arose naturally early in the history of the subject, and s...