First philosophy Knowledge, Theory of 3 Metaphysics 3 Methodology 3 Descartes, Rene-Criticism and interpretation 2 Descartes, Rene-Philosophy 2 God-Proof, Ontological 2 Philosophy, French 2 Early works to 1800 1 God 1 God-proof ,Ontological 1 Hermeneutics 1 Language and languages 1 Philosophy 1 Proof, Ontological 1 Semiotics 1