N-tuple See SET THEORY.

Nagel Ernest (1901–85), Czech-born American philosopher, the preeminent American philosopher of...

Naive realism See PERCEPTION.

Name, logically proper See RUSSELL.

Names, causal theory of See CAUSAL THEORY OF. PROPER NAME.

Names, descriptivist theory of See CAUSAL THEORY. OF PROPER NAME.

Narrow content See PHILOSOPHY OF MIND.

Narrow reflective equilibrium See REFLECTIVE. EQUILIBRIU.

Nativism See FODOR.

Natorp, Paul Gerhard See NEO-KANTIANISM.

Natura naturans See SPINOZA.

Natura naturata See SPINOZA.

Natural deduction See DEDUCTION.

Natural duty See DUTY.

Natural evil See PHILOSOPHY OF RELIGION.

Natural kind a category of entities classically conceived as having modal implications;...

Natural language See FORMAL LANGUAGE, PHILOSO-. PHY OF LANGUAG. natural law, also...

Natural light See DESCARTES.

Natural meaning See MEANING.

Natural number See MATHEMATICAL ANALYSIS, MATH-. EMATICAL INDUCTIO. natural philosophy, the study...

Natural religion a term first occurring in the second half of the...

Natural right See RIGHTS.

Natural selection See DARWINISM.

Natural sign See THEORY OF SIGNS.

Natural theology See PHILOSOPHY OF RELIGION, THE-. OLOGIA NATURALI.

Naturalism the twofold view that (1) everything is composed of natural...

Naturalism, biological See SEARLE.

Naturalism, ethical See ETHICS, MORAL REALISM.

Naturalism, metaphysical See METAPHYSICS, NATU -. RALIS.

Naturalism, methodological See NATURALISM.