Testability in the sciences, capacity of a theory to undergo experimental...

Testimony an act of telling, including all assertions apparently intended to...

Tetens Johann Nicolas (1736–1807), German philosopher and psychologist, sometimes called the...

Tetractys See PYTHAGORAS.

Thales of Miletus (fl. c.585 B.C.), Greek philosopher who was regarded as one...

Thema (plural: ta), in Stoic logic, a ground rule used to...

Themistius See COMMENTARIES ON ARISTOTLE.

Theodicy (from Greek theos, 'God', and dike, 'justice'), a defense of...

Theodorus See CYRENAICS.

Theologia naturalis (Latin 'natural theology'), theology that uses the methods of investigation and...

Theological creationism See PREEXISTENCE. theological naturalism, the attempt to develop a naturalistic...

Theological virtues See AQUINAS.

Theological voluntarism See VOLUNTARISM.

Theology of liberation See LATIN AMERICAN PHILOS-. OPH.

Theology, natural See PHILOSOPHY OF RELIGION,. THEOLOGIA NATURALI.

Theology, philosophical See METAPHYSICS.

Theology, supernatural See THEOLOGIA NATURALIS.

Theophrastus See HELLENISTIC PHILOSOPHY, PERI -. PATETIC SCHOO.

Theorem See AXIOMATIC METHOD, DEDUCTION.

Theoretical concept See THEORETICAL TERM.

Theoretical construct See THEORETICAL TERM.

Theoretical entity See THEORETICAL TERM.

Theoretical identity See PHILOSOPHY OF MIND.

Theoretical judgment See THEORETICAL REASON.

Theoretical rationality See RATIONALITY.

Theoretical reason in its traditional sense, a faculty or capacity whose province...

Theoretical reasoning See PRACTICAL REASONING.

Theoretical term a term occurring in a scientific theory that purports to...

Theoretical underdetermination See OPERATIONAL -. ISM , THEORY -LADE.

Theoria See ARISTOTLE.