Features EJ Lowe, a prominent figure in contemporary metaphysics, setting out and defends his theory of what there is. His four-category ontology is a metaphysi... » 

Features EJ Lowe, a prominent figure in contemporary metaphysics, setting out and defends his theory of what there is. His four-category ontology is a metaphysical system, which recognizes four fundamental categories of beings: substantial and non-substantial particulars and substantial and non-substantial universals. «