Type classes and overloading are shown to be independent concepts that can both be added to simple higher-order logics in the tradition of Church and Gordon, without demanding more...
This paper describes the concept of higher order quotients and an implementation in Isabelle. Higher order quotients are a generalization of quotients. They use partial equivalence...
This note lists references which address –in some way or another– the problems relating to formal manipulation of logical expressions where terms can fail to denote. Reference...