Reference guide that divides philosophy into analytic and speculative philosophy. Includes a small glossary, classic texts, and a bibliography.

Short essay constructs a basic outline of metaphysics, ontology, and related theories.

Take a tutorial in the theory of abstract objects, or read about philosophers like Gottlob Frege, Ernst Mally, and Gottfried Willhelm Leibniz.

Learn about the philosophy movement including pioneers and major works about the concept.