Proofs in the Nuprl system, an implementation of a constructive type theory, yield “correct-by-construction” programs. In this paper a new methodology is presented for extract...
Argumentation is modelled as a game where the payoffs are measured in terms of the probability that the claimed conclusion is, or is not, defeasibly provable, given a history of a...
The Conceptual Programming environment, CP, being developed at the Computing Research Laboratory (CRL), is a complete knowledge representation visual programming environment for u...
Abstract. A fundamental and unanalysed logical concept is substitution. This seemingly innocuous operation -- substituting a variable for a term or valuating a variable to an eleme...
Conservative adaptation consists in a minimal change on a source case to be consistent with the target case, given the domain knowledge. It has been formalised in a previous work t...