William of Ockham approximately 1285-1349.
Summa logicae. P. 2 et tertiae prima. /
William Ockham ; edited by Philotheus Boehner 
. - St. Bonaventure : Published by The Franciscan Institute, Louvain : E. Nauwelaerts, Paderborn : F. Schn̲ingh,  1954 
. - p. 217-461   23 cm. 
 - (Franciscan Institute publications  Text series  ; no. 2 )