John Locke
Georg Wilhelm Friedrich Hegel
Gilles Deleuze
Henri Bergson, Arthur Mitchell
Michel Foucault
Emmanuel Levinas
Aristotle
Ludwig Wittgenstein, Charles Kay Ogden
Plato
Arthur Schopenhauer
Immanuel Kant, J. M. D. Meiklejohn
Gottfried Wilhelm Leibniz
Alfred North Whitehead
Martin Heidegger