See also:

• Science: Math: History  (108)
• Society: History: By Topic: Science  (429)

• Aristotle's Logic - Introductory article by Garth Kemerling.
• Aristotle's Reform of Paideia - Article by Evelyn Barker, arguing that the principal aim of Aristotle's Organon was to reform the contemporary paedagogical role of dialectic.
• Earliest Uses of Symbols of Set Theory and Logic - Explains the early introduction of notations used in logic and set theory as we know it today. Includes reference links to key people in this area.
• Logic - Entry in the Catholic Encyclopaedia (1917), dominated by a historical survey from Indian and Pre-Aristotelian philosophy to the Logic of John Stuart Mill.
• Mediaeval Logic and Philosophy - Resource maintained by Paul Vincent Spade at Indiana University.
• Medieval Theories of Analogy - Entry in the Stanford Encyclopaedia of Philosophy, by E. Jennifer Ashworth.
• Medieval Theories of Modality - Article at the Stanford Encyclopaedia of Philosophy.
• On Dialectic - By St. Augustine. Latin original together with translation by J. Marchand.
• Peter of Spain (Petrus Hispanus) - Life and work of 13th century logician and author of the Tractatus; from the Stanford Encyclopedia by Joke Spruyt.
• Scholastic Logic - Chapter Two of Joseph Perrier's "The Revival of Scholastic Philosophy in the Nineteenth Century" (1909).
• Scholasticism - Online text by Joseph Rickaby (1908).
• Square of Opposition - Article in the Stanford Encyclopaedia of Philosophy, by Terence Parsons.
• The Summulae of John Buridan - A critical introduction by Gyula Klima.
• Syllogistic logic online - This site contains an online program for studying Aristotle's syllogistic logic. The theory of Aristotle's ancient logic is also presented.