Meta Ontology

Natural Kinds, Laws of Nature and Scientific Methodology

Substance and Intelligibility in Leibniz's Metaphysics (Review)

Substance and Attribute: Western and Islamic Traditions in Dialogue

Locke on Substance

The Russellian Origins of Analytical Philosophy: Bertrand Russell and the Unity of the Proposition

Substantia -- Sic Et Non. Eine Geschichte des Substanzbegriffs von der Antike Bis Zur Gegenwart in Einzelbeitr\"agen

Quality and Concept

Universals: A New Look at an Old Problem

Leibniz on Reflection and its Natural Veridicality

Chisholm and the Metaphysical Problem of Human Freedom

Odo of Tournai, the Phoenix, and the Problem of Universals

Roscelin and the Medieval Problem of Universals

Confusion and Dependence in Uses of History

The Problem of Universals

Propositions and Attitudes

Cognitive Universals, Hierarchy, and the History and Practice of Biological Systematics

On the Twofold Nature of Artefacts

Action and Existence: A Case for Agent Causation

The Special Science Dilemma and How Culture Solves It

Quantum Propensities