Augustinian Averroist Berkeleian Cartesian Hegelian Heideggerian Heraclitean Humean Husserlian Kantian Leibnizian Neo-Hegelian Neo-Pythagorean Neoplatonic Parmenidean Peripatetic Platonic Pyrrhonic Pythagorean Schellingian Schopenhauerian Scotist Socratic Spencerian Thomist Thomistic Viconian Wittgensteinian pre-Socratic