Church’s thesis the thesis, proposed by Alonzo Church at a meeting of...

Church-Turing thesis See PHILOSOPHY OF MIND.

Cicero Marcus Tullius (106–43 B.C.), Roman statesman, orator, essayist, and letter...

circularity See CIRCULAR REASONING, DEFINITION,.

citta-matra the Yogacara Buddhist doctrine that there are no extramental entities,...

civic humanism See CLASSICAL REPUBLICANISM.

civil disobedience a deliberate violation of the law, committed in order to...

civil rights See RIGHTS.

claim right See HOHFELD, RIGHTS.

clairvoyance See PARAPSYCHOLOGY.

Clarke Samuel (1675–1729), English philosopher, preacher, and theologian. Born in Norwich,...

class term sometimes used as a synonym for 'set'. When the...

class, equivalence See PARTITION, RELATION.

class, proper See CLASS.

class, reference See PROBABILITY.

classical conditioning See CONDITIONING.

classical liberalism See LIBERALISM.

classical republicanism also known as civic humanism, a political outlook developed by...

class paradox See UNEXPECTED EXAMINATION PARA-. DO.

Cleanthes See STOICISM.

clear and distinct idea See DESCARTES.

Clement of Alexandria (A.D. c.150–c.215), formative teacher in the early Christian church who,...

Clifford W(illiam) K(ingdon) (1845–79), British mathematician and philosopher. Educated at King's...

closed formula See WELL-FORMED FORMULA.

closed loop See CYBERNETICS.

closed sentence See OPEN FORMULA.

closure. A set of objects O, is said to exhibit closure or to be closed...

closure, causal See DAVIDSON.

Coase theorem a non-formal insight by Ronald Coase (Nobel Prize in Economics,...

Cockburn Catherine (Trotter) (1679–1749), English philosopher and playwright who made a...