  The fact of the existence of two derivative texts of the Abstractiones as well as the numerous known references by accomplished logicians some seventy years after its composition indicate that the Abstractiones was a quite popular book that survived the test of time. Although as compared to sophism literature of the fourteenth century Richard's analysis of sophisms appears somewhat unsophisticated, as compared to treatments of sophisms of his contemporaries Richard's analyses are qualitatively similar. Richard's greatest accomplishment lay, perhaps, in his ability to encapsulate and summarize a huge number of such logical puzzles, presenting for the student a handy reference book filled with examples of a host of logical fallacies.