Bridging Mainstream and Formal Ontology: A Causality-Based Upper Ontology in Dietrich of Freiberg

Original Research Article by Luis M. Augusto. ..............................................................     1-35

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Causality as a Partitioning Principle for Upper Ontologies

Commentary Article by Jobst Landgrebe. .....................................................................   36-40

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Universals in Ontological Investigations

Commentary Article by Roberto Pinzani. .......................................................................   41-46

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The Bridge between Philosophy and Information-Driven Science

Commentary Article by Barry Smith. ..............................................................................   47-55

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Mathematics, Isomorphism, and the Identities of Objects

Commentary Article by Graham White. ..........................................................................   56-58

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