Set Theory Set Theory is a branch of mathematics that investigates sets and their properties. The basic concepts of set theory are fairly easy to understand and appear to be self-evident. Aber, despite its apparent simplicity, set theory turns out to be a very sophisticated subject. Besonders, mathematicians have shown that virtually all mathematical concepts and results can be formalized within the theory of

Thomas von Aquin: Politische Philosophie Die politische Philosophie von Thomas von Aquin (1225-1274), zusammen mit der umfassenderen philosophischen Lehre, zu der es gehört, steht an der Schnittstelle zwischen dem christlichen Evangelium und der damaligen aristotelischen politischen Doktrin, zur Zeit des Thomas von Aquin, in der westlichen Welt neu entdeckt. Tatsächlich, Das gesamte entwickelte System von Aquin wird oft einfach als eine Modifikation der aristotelischen Philosophie im Licht verstanden

Thomas Reid: Theory of Action Thomas Reid (1710-1796) made important contributions to the fields of epistemology and philosophy of mind, and is often regarded as the founder of the common sense school of philosophy. Aber, he also offered key arguments and observations concerning human agency and morality. Reid carefully criticized the views of his contemporaries, and defended an account of human freedom in which he argues that

Modale Logik: A Contemporary View Modal notions go beyond the merely true or false by embedding what we say or think in a larger conceptual space referring to what might be or might have been, should be, or should have been, or can still come to be. Modal expressions occur in a remarkably wide range across natural languages, from necessity, possibility, and contingency to expressions

Tyler Burge (1946—) Tyler Burge is an American philosopher who has done influential work in several areas of philosophy. These include philosophy of language, Logik, Philosophie des Geistes, Erkenntnistheorie, Philosophie der Wissenschaft (primarily philosophy of psychology), and history of philosophy (focusing especially on Frege, but also on the classical rationalists—Descartes, Leibniz, und Kant). Burge has also done some work in psychology itself. Burge is best