Thomas Auffret & Jonathan Barnes 
Alexander of Aphrodisias, ›On the Conversion of Propositions‹ [PDF ebook] 

Alexander’s essay on the conversion of predicative propositions contains otherwise unknown information about the early history of Aristotle’s logic. The essay survives only in a mutilated Arabic translation. This volume contains a new edition of the text, a translation (the first into any modern language), and a discursive commentary. It will be of interest to anyone concerned with the history of Aristotelianism or with the history of logic.

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