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.

natural deduction See DEDUCTION.

natural duty See DUTY.

natural evil See PHILOSOPHY OF RELIGION.

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.

naturalism, reductive See NATURALISM.

naturalism, theological See THEOLOGICAL NATU -. RALIS. naturalistic epistemology, an approach to...

naturalistic fallacy See MOORE.

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.

naturalness See JUAN CHI.

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.