title: Modal Similarity creator: Vigo , Dr. Ronaldo subject: Applied Cognitive Psychology subject: Cognitive Psychology subject: Comparative Psychology subject: Artificial Intelligence subject: Machine Learning subject: Robotics subject: Philosophy of Mind description: Just as Boolean rules define Boolean categories, the Boolean operators define higher-order Boolean categories referred to as modal categories. We examine the similarity order between these categories and the standard category of logical identity (i.e. the modal category defined by the biconditional or equivalence operator). Our goal is 4-fold: first, to introduce a similarity measure for determining this similarity order; second, to show that such a measure is a good predictor of the similarity assessment behaviour observed in our experiment involving key modal categories; third, to argue that as far as the modal categories are concerned, configural similarity assessment may be componential or analytical in nature; and lastly, to draw attention to the intimate interplay that may exist between deductive judgments, similarity assessment and categorisation. publisher: Taylor and Francis date: 2009 type: Journal (Paginated) type: PeerReviewed format: application/pdf identifier: http://cogprints.org/7957/1/Vigo%20%282009a%29.pdf identifier: Vigo , Dr. Ronaldo (2009) Modal Similarity. [Journal (Paginated)] relation: http://cogprints.org/7957/