- Notes on Contributors
- Essences and Kinds
- From Causes to Laws
- Space and Time
- The Mechanical Philosophy
- Machines, Souls, and Vital Principles
- The Soul
- Qualities and Sensory Perception
- The Passions
- Language and Semiotics
- Form, Reason, and Method
- Instruments of Knowledge
- Picturability and Mathematical Ideals of Knowledge
- Virtue and Vice
- Egoism and Morality
- Realism and Relativism in Ethics
- The Free Will Problem
- The Equality of Men and Women
- Natural Law as Political Philosophy
- Sovereignty and Obedience
- Conceptions of God
- The Epistemology of Religious Belief
- Religious Toleration
Abstract and Keywords
This article examines the views of René Descartes, Robert Boyle, and John Locke on essence and kinds and outlines the polemical stances that motivate and direct each of their views. It describes the ontological categories to which they subscribed and their own speculative theories about the actual kinds in the world. It categories to which they subscribed and their own speculative theories about the actual kinds in the world and discusses the late-Aristotelian theory of substantial forms.
Peter R. Anstey is ARC Future Fellow and Professor of Philosophy in the Department of Philosophy at the University of Sydney.
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