Alethiology  · Formal epistemology  · Meta-epistemology  · Philosophy of perception  · Philosophy of science  · Faith and rationality  · Theaetetus Concepts in epistemology Knowledge · Justification  · Belief  · Perception  · A priori knowledge  · Induction  · Other minds  · Analytic-synthetic distinction  · Causality  · Common sense  · Descriptive knowledge  ·