Alexander Broadie

in Introduction to Medieval Logic

Second edition

Published in print April 1993 | ISBN: 9780198240266
Published online October 2011 | e-ISBN: 9780191680137 | DOI:

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This book has investigated logic during the 14th century. The masters of that century were widely studied during the following 150 years, and numerous books were written transmitting their ideas and adding to them. However, medieval logic has been criticised for its ‘damnable particularity’. Medieval logicians formulated and used a number of rules of a very high level of abstraction. A number of such rules are evident in molecular propositions. And as regards the logic of terms, the basic rules of descent under terms covered by universal or particular quantifiers, or by signs of negation, are at a high level of logical abstraction. Nevertheless, to many it seemed as though the logic of the late medieval period was running practically out of control. There were simply too many rules, and no assurance that new ones might not be introduced indefinitely. The time was becoming ripe for change. The change came under the banner of the new humanism which was, by the late 15th century, beginning to take deep root in the universities.

Keywords: medieval logic; inference; molecular propositions; humanism; terms; Juan Luis Vives; negation

Chapter.  5751 words. 

Subjects: Philosophy of Mathematics and Logic

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