Tabulae totius dialectices, aliarum artium instrumenti ...

marginal notes in Latin: MO/ O A/ OMI/ nis/ D TE;/ abulæti-/ noua li-/ n nunc/ conspi-/ ous ac-/ his iam/ eorum,/ olumini-/ fastidium/ fortasse,/ um ver-/ folent,/ gligen-/ n vtili-/ gnora-/ t. Cer-/ quod/ artis

the study of the art of discourse original: "ars differendi" seemed necessary: yet indeed, I preferred to indicate the acute ravings of those men at times rather than to explain them; I considered it better to pass over some things than to retard the progress of young men hastening toward better studies with these impediments. I have very recently interpreted our tables at Louvain, with no small diligence and study, to be sure; which was also kindled by the presence of certain learned men whom I noticed frequenting our lecture hall. By this study, indeed, it has been brought about that, since many things are often wont to escape the reader, almost nothing can escape the one teaching. I have diligently sought out whatever I judged to pertain to a useful method of discourse, I have examined it carefully, I have added certain things, I have removed some, and as is wont to happen in revising, I have changed not a few things; but I have made all things now, with the order slightly changed, more elaborate and better composed. I have encompassed many things briefly and clearly, by an easy way and method, which will be most profitable, I hope, to students. You will therefore receive the revised booklet, most learned man, and increased with fruitful precepts, since