definite description See THEORY OF DESCRIPTIONS.

definite description operator See Appendix of. Special Symbols. definition, specification of the meaning...

definition, contextual See DEFINITION.

definition, explicit See BETH ' S DEFINABILITY THEO -. REM , DEFINITIO.

definition, implicit See BETH'S DEFINABILITY THEO -. RE.

definition in use See DEFINITION, LOGICAL CON -. STRUCTIO.

deflationary theory of truth See PHILOSOPHY OF. LANGUAGE , TRUT. degenerate case, an expression...

degree also called arity, adicity, in formal languages, a property of...

degree of belief See BAYESIAN RATIONALITY. See PROBABILITY.

degree of confirmation See CARNAP.

degree of unsolvability a maximal set of equally complex sets of natural numbers,...

deism the view that true religion is natural religion. Some self-styled...

de la Ramée, Pierre See RAMUS.

deliberation See ACTION THEORY, PRACTICAL REA -. SONIN. de Maistre, Joseph-Marie...

demarcation the line separating empirical science from mathematics and logic, from...

demiurge (from Greek demiourgos, 'artisan', 'craftsman'), a deity who shapes the...

democracy See POLITICAL PHILOSOPHY.

Democritus (c.460–c.370 B.C.), Greek pre- Socratic philosopher. He was born at...

demonstration See PROOF THEORY.

demonstrative See INDEXICAL.

demonstrative inference See INFERENCE.

demonstrative reasoning See INFERENCE.

demonstrative syllogism See ARISTOTLE.

De Morgan Augustus (1806–71), prolific British mathematician, logician, and philosopher of mathematics...

De Morgan’s laws the logical principles - (A 8 B) S - A...

denotation the thing or things that an expression applies to; extension....

denotative meaning See MEANING.

denoting concept See RUSSELL.

dense ordering See ORDERING.

denumerable See INFINITY.