The First Book of Logical Exercises by Andreas Libavius

What a corrected logic should contain.

continues from previous page: do it is proven by experience and usage through all ages. It has cut away the things that had crept in from commentaries. It has restored what was omitted, and corrected what was badly enunciated, improperly distinguished, or too often repeated, so that you may speak with learning, recognize and judge things that are excellently distinguished, and learn the entire art in a short time without tedium.

3. Objection concerning changed terms.

Ph. But they will object again that the style of speech and logical terms have been so changed that you would barely recognize the precepts. What should I reply here?
Or. Have you not heard the teacher using both methods during instruction? Have the Aristotelian and Ciceronian terms not been appended to the precepts? Say, therefore, that there is no reason to repudiate the art on that account, provided that diligence is applied in one's studies. If it is permitted to abound in a wealth of words in other subjects, why not in logic? Different craftsmen often speak differently about the same thing, which is to be learned and practiced, not disparaged. It is the mark of a lazy man not to grasp the discourse of different craftsmen and the vocabulary of a discipline; and not to apply to the use of reason the same industry that old women apply to the knowledge of herbs. Those who follow mechanical arts know that their objects are not called by the same names everywhere.

Those who have given instructions about logic—however many there are in number—use almost as many ways of explaining it. Should the art be disparaged because it is taught with the most diverse talent? Ph. I praise...