The Stromata: Book VIII
Notes on method, definition, and demonstration, left in the state of a working draft.
Chapter I.—The Object of Philosophical and Theological Inquiry—The Discovery of Truth.Chapter II.—The Necessity of Perspicuous Definition.Chapter III.—Demonstration Defined.Chapter IV.—To Prevent Ambiguity, We Must Begin with Clear Definition.Chapter V.—Application of Demonstration to Sceptical Suspense of Judgment.Chapter VI.—Definitions, Genera, and Species.Chapter VII.—On the Causes of Doubt or Assent.Chapter VIII.—The Method of Classifying Things and Names.Chapter IX.—On the Different Kinds of Cause.