THE WORKS OF CLAUDIUS GALEN

the knowledge begins, from which all arts are constituted, he wrote with method and reason. But we have treated that in another work: in this place, however, we initiate the method which is made by the dissolution of a definition: and by how much it is inferior in dignity, method, and reason to that which is done by resolution, by so much is it known to contribute more to the summary of the whole. Indeed, from the dissolution of a definition, all things can be committed to memory very easily, for the reason that the best definition contains within itself the headings of the whole
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art: which some call substantial, distinct from those opposite to them, which are called noëmaticæ intellectual/notional by the Greeks. For these consist of the accidents which belong to the things being defined: that [other] consists of the substance. But we have diligently written out the whole commentary of medicine item by item in many other works, which one may use for three doctrines. But we shall now approach that which is made by the dissolution of a definition, if we add only this: that we are going to teach only the headings, and as it were the conclusions of those things which have been demonstrated at length.