The Four-Category Ontology by E. J. Lowe (9780199254392)

Description - The Four-Category Ontology by E. J. Lowe

E. J. Lowe sets out and defends his theory of what there is. His four-category ontology is a metaphysical system that recognizes two fundamental categorial distinctions which cut across each other to generate four fundamental ontological categories. The distinctions are between the particular and the universal and between the substantial and the non-substantial. The four categories thus generated are substantial particulars, non-substantial particulars, substantial
universals and non-substantial universals. Non-substantial universals include properties and relations, conceived as universals. Non-substantial particulars include property-instances and
relation-instances, otherwise known as non-relational and relational tropes or modes. Substantial particulars include propertied individuals, the paradigm examples of which are persisting, concrete objects. Substantial universals are otherwise known as substantial kinds and include as paradigm examples natural kinds of persisting objects. This ontology has a lengthy pedigree, many commentators attributing it to Aristotle on the basis of certain passages in his apparently
early work, the Categories. At various times during the history of Western philosophy, it has been revived or rediscovered, but it has never found universal favour, perhaps on account of its apparent
lack of parsimony as well as its commitment to universals. In pursuit of ontological economy, metaphysicians have generally preferred to recognize fewer than four fundamental ontological categories. However, Occam's razor stipulates only that we should not multiply entities beyond necessity; Lowe argues that the four-category ontology has an explanatory power unrivalled by more parsimonious systems, and that this counts decisively in its favour. He shows that it provides a powerful explanatory
framework for a unified account of causation, dispositions, natural laws, natural necessity and many other related matters, such as the semantics of counterfactual conditionals and the character of the
truthmaking relation. As such, it constitutes a thoroughgoing metaphysical foundation for natural science.

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