T
- Tai Chen (Dai Zhen)
- Taoist Philosophy
- Technology, Philosophy of
- Testimony, Epistemology of
- Thales of Miletus
- Theaetetus, Plato’s
- Theism, Open
- Theology, Natural
- Theophrastus
- Theory of Mind
- Thomas Aquinas (see Aquinas, Thomas)
- Thrasymachus
- Tibetan Philosophy
- Time
- Time Travel
- Time-Consciousness, Phenomenology and
- Timon
- Toleration
- Transcendental Arguments
- Transmission and Transmission Failure in Epistemology
- Trinity, The
- Truth
- Truth, Pluralist Theories of
- Truth, Prosentential Theory of
- Tusi, Nasir al-Din
