Belief Revision and Verisimilitude

Belief Revision and Verisimilitude

Belief Revision and Verisimilitude Mark Ryan Department of Mathematics Instituto Superior T ecnico Av. Rovisco Pais 1096 Lisbon Codex Portugal [email protected] Pierre-Yves Schobbens Institut d'Informatique Fac. Univ. Notre-Dame de la Paix Rue Grandgagnage 21 5000 Namur Belgium [email protected] Abstract. The Egli-Milner power-ordering is used to de ne verisimilitude orderings on theories from pr...

Belief Revision and Verisimilitude Based on Preference and Truth Orderings

In this rather technical paper we establish a useful combination of belief revision and verisimilitude according to which better theories provide better predictions, and revising with more verisimilar data results in theories that are closer to the truth. Moreover, this paper presents two alternative definitions of refined verisimilitude, which are more perspicuous than the algebraic version us...

Belief Revision

Philippa, a Greek nineteen year old student at Patras University, has just discovered that Nikos and Angela are not her true parents; she was adopted when she was six months old from an orphanage in Sao Paulo. The news really shook Philippa. Much of what she used to believe all her life about herself and her family was wrong. After recovering from the initial shock she started putting her thoug...

Belief Revision

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