Gleanings in Dialectics

A treatise on the five modes of Theophrastus and on the fourth figure of Galen Galen of Pergamon (129–c. 216 AD), physician and philosopher, and how they differ from each other. Theophrastus thought.

A treatise on primary mixtures in which the diversity of opinions is set forth and what is to be thought according to Aristotle. It is difficult to the manner.

A treatise on hypothetical syllogisms according to Averroes Ibn Rushd (1126–1198), known as The Commentator and a rebuke of Avicenna Ibn Sina (980–1037), major Persian philosopher, Alfarabi, and Boethius. Of hypothetical syllogisms.

The last chapter: That that part of logic which is called topica topics/commonplaces is not science, as the more probable Latins think. Because we have the mind.