Exact(4)
By distinguishing between real and nominal essences, Locke can deploy these new concepts in a sustained critique of the Scholastic theory of species.
For example, according to the Scholastic theory, a lump of gold is an instance of gold because its matter possesses the substantial form of gold which causes all of the properties of gold, e.g., malleability, yellowish color, heaviness, etc.
By introducing the distinction between real and nominal essences and thereby dividing their roles, Locke has provided himself with a number of resources to criticize the Scholastic theory of species.
In this way, then, the substantial form of any object in the Scholastic theory plays two roles: it (a) tells us to what species the substance belongs; and (b) it causes the observable qualities and properties of the substance.
Similar(52)
Concerned with mental processes, or acts, he revived and modernized the scholastic philosophical theory of "intentional existence," or, as he called it, "immanent objectivity"; in psychical phenomena, he held, there is a "direction of the mind to an object" (e.g., one sees something).
He resumes the scholastic species theory: immaterial species radiate from the sensible things and affect the sense organs by acting firstly on the "forecourts" and then on the internal functions.
Indeed, Suárez's Metaphysical Disputations (1597) became the standard textbook of metaphysics in Europe and Latin America for one hundred and fifty years after its publication, which means that what he has to say about categories is important for understanding late scholastic category theory and the discussions of the categories in Early Modern philosophy.
While the concept and definition of 'real essence' is original with Locke, at least a generation before him there were Englishmen who defended non-Scholastic taxonomical theories that employed material structures, either atomic or corpuscularian structures, to play both roles (a) and (b), and therefore serve as the essences of physical substances.
Peter gained his higher education from Queens University, Belfast and has earned degrees (with distinction) in Scholastic Philosophy (BA Hons), Political Theory (MA) and Post-Structural thought (PhD).
He subjects theories to scholastic but frequently puckish close readings, takes note of the experts' facial expressions and what they order for lunch, opens his sails to gossip and jokes.
The minima were not basic building blocks for the scholastics that developed this theory because their properties needed to be traced back to their composition from the four Aristotelian elements.
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