The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
In order to provide a propositional tableau-based theorem prover with learning capabilities, we describe generalization mechanisms that characterize the concepts of valid and non-valid formulae. Our generalization language is founded on the notion of formula schemata enriched with a system of constraints. We show how the most “attractive” generalizations of a given instance can be found. Successes...