Example image of eyePlorer eyePlorer map for 'Universal (metaphysics)': Metaphysics Category of being Type (metaphysics) Individual Particular Abstract object British idealism Georg Wilhelm Friedrich Hegel Class (philosophy) John Bigelow Problem of universals Granny Smith Grass Nominalism Ontology Abstraction Platonic realism Reference Substantial form Property (philosophy) Conceptualism Instantiation principle Moderate realism Universalism Abstract particulars Aristotle's theory of universals Form of the Good Philosophical realism Anti-realism Ideal (ethics) Isagoge Richard M. Weaver Scott Atran Ethnology Heymeric de Campo Predicables Throne of St. Thomas Johann Heynlin Object (philosophy) Peter Quince at the Clavier Francis of Mayrone General Formal Ontology Brahman-Atman Yoga Metaphor of the sun Platonic idealism Meinong's jungle Property dualism William of Champeaux Bernard of Chartres Elegiac comedy