Pistis See DIVIDED LINE.

Plantinga Alvin (b.1932), one of the most important twentieth-century American philosophers...

Plato, commentaries on See COMMENTARIES ON. PLAT.

Platonic form See FORM, PLATO.

Pleasure See EPICUREANISM, HEDONISM.

Pleasure principle See FREUD.

Pleasure, katastematic See EPICUREANISM.

Pleasure, kinetic See EPICUREANISM.

Plekhanov Georgy Valentinovich (1856–1918), a leading theoretician of the Russian revolutionary...

Plenitude, principle of See PRINCIPLE OF PLENI -. TUD.

Pleonetetic logic See PLURALITIVE LOGIC.

Plotinus (A.D. 204–70), Greco-Roman Neoplatonist philosopher. Born in Egypt, though doubtless...

Pluralism a philosophical perspective on the world that emphasizes diversity rather...

Pluralitive logic also called pleonetetic logic, the logic of 'many', 'most', 'few',...

Plurality of causes as used by J. S. Mill, more than one cause...

Plutarch of Athens See NEOPLATONISM.

Plutarch of Chaeronea See ACADEMY, MIDDLE PLA -. TONIS.

PM See APPENDIX OF SPECIAL SYMBOLS.

Pneuma See STOICISM.

Po-hu tung ('White Tiger Hall Consultations'), an important Chinese Confucian work of...

Poiesis (Greek, 'production'), behavior aimed at an external end. In Aristotle,...

Poincaré Jules Henri (1854–1912), French mathematician and influential philosopher of science....

Polish logic logic as researched, elucidated, and taught in Poland, 1919–39. Between...

Polish notation See LOGICAL NOTATION.

Political obligation See POLITICAL PHILOSOPHY.

Political philosophy the study of the nature and justification of coercive institutions....

Political theory reflection concerning the empirical, normative, and conceptual dimensions of political...

Polyadic See DEGREE.

Polyaenus See EPICUREANISM.

Polysemy See AMBIGUITY.