These seem to have been altogether devoted to expositions of a certain logical system which Bruno had taken up with great eagerness, the Ars Magna of Raimon Lull.
They rank among the best expositions of the principles of puritanism.
- References to the works containing expositions of the various branches of mathematics are given in the appropriate articles.
His De magnete magneticisque corporibus et de magno magnete tellure physiologia nova (1600), contains many references to the expositions of earlier writers from Plato down to those of the author's own age.
The theological and philosophical discussions which thus appeared he later described as " the tentatives which gradually prepared the way for the more systematic expositions of the Types of Ethical i They stand as Lectures ii., v., vi., xi., xii.