Concept
Ontology

Overview
study of the nature of being, becoming, existence or reality, as well as the basic categories of being and their relations (philosophy)
Overview adapted from Wikipedia (CC BY-SA 4.0; see the article history for authors).
Philosophers who discussed Ontology
- Tadeusz Kotarbiński
- Tom Regan
- Udayana
- Nelson Goodman
- Gottfried Wilhelm Leibniz
- Gilles Deleuze
- Georg Wilhelm Friedrich Hegel
- Je Tsongkhapa
- Heraclitus
- Hans-Georg Gadamer
- Bas van Fraassen
- Mircea Eliade
- Isaiah Berlin
- Jean-Paul Sartre
- Constantin Noica
- Victor Cousin
- Dugald Stewart
- Leucippus
- David Ray Griffin
- Hermann Lotze
- Johann Friedrich Herbart
- Eric Voegelin
- Maurice Merleau-Ponty
- Boethius
Related ideas
- Category (Kant)
- Moral nihilism
- Belief
- Formal language
- First-order logic
- Elementary particle
- Avicenna
- Ancient philosophy
- George Berkeley
- Quality (philosophy)
- Xuanxue
- Genetics
- Gottfried Wilhelm Leibniz
- Georg Wilhelm Friedrich Hegel
- Li (neo-Confucianism)
- Philosophy
- Animism
- Yin and yang
- Integer
- Immanuel Kant
- Ancient Greek
- Atheism
- Speculative realism
- Intuition
Opposing perspectives
- Modal realism
- Functionalism (philosophy of mind)
- Emanationism
- Philosophy
- Paradigm
- Metaphysics
- Mind
- Matter
- Number
- Haruki Murakami
- Modal logic
- Causality
- Value (ethics)
- Entity
- Logic
- God
- Astronomy
- Theory of categories
- Possible world
- Existence
- Extraterrestrial life
- Scientific realism
- Unobservable
- Naturalism (philosophy)
Place in the tradition
Part of Outline of philosophy.
Narrower topics:
- Journey to the West
- Kathmandu
- New Delhi
- Nicolai Hartmann
- Quality (philosophy)
- Quantity
- The Lord of the Rings
- Computability
- Endurantism
- Univocity of being
- Condition of possibility
- Doha
- Counterpart theory
- Cyc
- Object-oriented ontology
- Loch Ness Monster
- One Ring
- Sun Wukong
- Eidetic reduction
- Gene Ontology
- History of ontology
- Temporal parts
- Ontology engineering