Example image of eyePlorer eyePlorer map for 'World (philosophy)': Reality Concept Western philosophy Allegory of the Cave The World as Will and Representation Philosophy of history Ludwig Wittgenstein Tractatus Logico-Philosophicus Logical positivism Martin Heidegger Being and Time David Kellogg Lewis Modal realism Possible world Spiritualism (beliefs) Immanent evaluation Naïve realism Transcendental apperception Universe World Index of metaphysics articles Metaphysics World view Everything Solipsism World (disambiguation) Jean-Luc Nancy Logos Truth Alhazen Book of Optics Early Islamic philosophy