High Quality Content by WIKIPEDIA articles! Substance theory, or substance attribute theory, is an ontological theory about objecthood, positing that a substance is distinct from its properties This is part of essentialism in that ousia as a substance can also be a descriptor of an object's being (ontology) and/or nature As substance or ousia ожнър is a permanent property of an object without which the object no longer remains itself and therefore becomes some other object Substance is a key concept in ontology and metaphysics Philosophies may be divided into Monist, Dualist, or Pluralist varieties according to the number of substances they consider the world to comprise According to Monistic views, such as those of stoicism and Spinoza, there is only one substance, often identified as God or Being.  Составитель:2010 г Мягкая обложка, 80 стр ISBN 6130505736.