In this paper we investigate the concept of simple termination. A term rewriting system is called simply terminating if its termination can be proved by means of a simpli cation o...
Even though it is not very often admitted, partial functions do play a significant role in many practical applications of deduction systems. Kleene has already given a semantic acc...
Pi is a system for the interactive construction and editing of formal derivations in the calculus of finitary partial inductive definitions. This calculus can be used as a logical ...
We present a completion-based method for handling a new version of E-unification, called "mixed" E-unification, that is a combination of the classical "universal&quo...
Abstract. PROTEIN (PROver with a Theory Extension INterface) is a PTTPbased first order theorem prover over built-in theories. Besides various standardrefinements knownformodelelim...