Also see:
- ..Al-Ghazali, Abu Hamid(1)
- ..Aristotle(1)
- ..Berkeley, George(1)
- ..Descartes, René(1)
- ..Foucault, Michel(2)
- ..Hegel(3)
- ..Heidegger, Martin(1)
- ..Hume, David(1)
- ..Husserl, Edmund(3)
- ..Kant, Immanuel(1)
- ..Locke, John(2)
- ..Quine, Willard Van Orman(1)
