Example image of eyePlorer eyePlorer map for 'Abstract object': Abstraction Idea Object (philosophy) Type (metaphysics) Philosophy Physical body Type-token distinction If and only if Metaphysical naturalism Ontology Physicalism Problem of universals Empiricism Epistemology Edward N. Zalta Metaphysics Plato Theory of Forms Piaget Abstract particulars Humanistic coefficient Instrumental value Mathematical object Metaphysical nihilism Nominalism Value (ethics) Value (philosophy) Concept Drag-and-drop Everything Finitistic induction Geometrical optics Macroscopic scale Digital-to-analog converter Exit status Mental representation Ontological commitment Tensor (intrinsic definition) Class (philosophy) Goal History and Class Consciousness On the Plurality of Worlds Object of the mind Spatial Sciences Institute Darwinian literary studies Entity Fee simple Geist Lone Sloane Symmetry