Logic and Philosophy of Logic in Wittgenstein

This essay discusses Wittgenstein's conception of logic, early and late, and some of the types of logical system that he constructed. The essay shows that the common view according to which Wittgenstein had stopped engaging in logic as a philosophical discipline by the time of writing Philosophical Investigations is mistaken. It is argued that, on the contrary, logic continued to figure at the very heart of later Wittgenstein's philosophy; and that Wittgenstein's mature philosophy of logic contains many interesting thoughts that have gone widely unnoticed.     

Bericht Über das Symposium ,,Der Konflikt der Lebensformen in Wittgensteins Philosophie der Sprache“ vom 22. bis 25. November 1995 in Passau

Report on the symposium “The Conflict of Forms of Life in Wittgenstein's Philosophy of Language”, November 22–25, 1995, Passau, Germany. The main issues were the conflicts between different forms of human life and how Wittgenstein's later philosophy contributes to the problem of understanding of other cultures. This revised version was published online in August 2006 with corrections to the Cover Date.     

Paradigms and Personhood: A Deepening of the Dilemmas in Ethics and Medical Ethics

There are many calls for a definitions personhood, but also many logical and Wittgensteinian reasons to think fulfilling this is unimportant or impossible. I argue that we can consider many contexts as language-games and consider the person as the key player in each. We can then examine the attributes, presuppositions and implications of personhood in those contexts. I use law and therapeutic psychology as two examples of such contexts or language-games. Each correlates with one of the classic “theories” of ethics-deontology and consequentialism. But each is a large enough cluster to consider them as paradigms in a sense related to Thomas Kuhn's notion in The Structure of Scientific Revolutions. Showing the presuppositions about and “takes” on personhood together with the connections involved in the paradigms deepens the dilemmas we already know to be present. This revised version was published online in August 2006 with corrections to the Cover Date.     

Wittgenstein’s reconsideration of the transcendental problem

The transcendental problem that obsessed the great Western philosophers such as Kant and Husserl should be, according to Wittgenstein, conceived as a matter of understanding a process of reasoning in which a conclusion follows necessarily from stated rules. Once these rules, regarded as a priori categories by Kant and as eidos and eidetic relations by Husserl, are demonstrated to be no more than the language usages or rules of language-games related to our forms of life, Kant’s transcendental idealism and Husserl’s transcendental phenomenology no longer have a leg to stand on. Translated by Chen Xin and Zhang Qingxiong from Zhexue Yanjiu 哲学研究 (Philosophical Research), 2006, (10): 68–76