Metalogicon

According to the Metalogicon (1159) of John of Salisbury, Bernard wrote three works: a treatise, De expositione Porphyrii (“On the Interpretation of Porphyry,” the 4th-century Neoplatonist logician); a verse form of the same tract; and a comparative study of Plato and Aristotle. Although only three fragments of Bernard’s…

…books, the Policraticus and the Metalogicon (both 1159), in which his general intention was to show his contemporaries that in their thought and actions they were defecting from the true task of humanity. His work represented a protest against the professional specialization slowly developing in royal and papal administration and…