Feature

Clashing Symbols

The Loss of Aristotelian Logic & the Social, Moral & Sexual Consequences
by Peter Kreeft

When I started teaching logic, in 1962, most of the textbooks taught traditional Aristotelian logic rather than the (then still fairly new) "symbolic logic," also called "mathematical logic" or "propositional calculus." Forty years later, there are only two full-length texts of traditional Aristotelian logic in print. One of them is my own recently published logic textbook, Socratic Logic (St. Augustine's Press), from which much of the middle part of this article is taken. All the other logic texts, over 500 of them, teach symbolic logic, or else informal logic (rhetoric).

By the 1970s, most of the English-speaking philosophical establishment had cast in . . .

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more on philosophy from the online archives

21.6—July/August 2008

The European Disunion

Benedict XVI on the Crisis of Faith & Reason by Samuel Gregg

25.6—Nov/Dec 2012

Clashing Symbols

The Loss of Aristotelian Logic & the Social, Moral & Sexual Consequences by Peter Kreeft

33.4—July/August 2020

Pondering Evil

on Boethius's Consolation in a Time of Plague by Thomas Albert Howard

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