id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-3710 Substantial form - Wikipedia .html text/html 1215 177 58 Substantial form Wikipedia The concept of substantial forms dominates ancient Greek philosophy and medieval philosophy, but has fallen out of favour in modern philosophy.[1] Platonic forms[edit] Main article: Theory of Forms Aristotelian forms[edit] Main articles: Hylomorphism and Aristotle's biology Both Platonic and Aristotelian forms appear in medieval philosophy. Medieval theologians, newly exposed to Aristotle's philosophy, applied hylomorphism to Christianity, such as to the transubstantiation of the Eucharist's bread and wine to the body and blood of Jesus. The Aristotelian conception of form was adopted by the Scholastics, to whom, however, its origin in the observation of the physical universe was an entirely foreign idea. Descartes, referring to substantial forms, says: Substantial forms, in the strictest sense for Leibniz, are primitive active forces and are required for his metaphysics.[5][6] In the Discourse on Metaphysics (ยง10): What Killed Substantial Form? Substantial Forms and the Rise of Modern Science Aristotle's theory of universals (substantial form) ./cache/en-wikipedia-org-3710.html ./txt/en-wikipedia-org-3710.txt