2023 Jun 08th 16:00~17:30 Hao TANG (唐浩, Tsinghua University): Attention and Practical Knowledge

Practical knowledge, in the sense made famous by G. E. M. Anscombe, is “the knowledge that a man has of his intentional actions”. This knowledge is very ordinary, but philosophically it is far from easy to understand. One illuminating approach to practical knowledge is to see it as a species of self-knowledge or self-consciousness. I offer an enrichment of this approach here, by exploiting Gilbert Ryle’s discussion of heeding (that is, paying attention), in particular paying attention to one’s own intentional action…More>>

2023 June 1 14:00-15:30 Penghai Du 杜鹏昊 (Tsinghua University): ​Logic of Link Variations

In this talk, we investigate dynamic modal operators containing cutting, adding and rotating, which have the ability to modify the accessibility relation of a model at both local and global levels. To begin with, we will provide motivation behind this research by exploring the connections between graph games, knowledge graphs, and social networks. We will then introduce the language and semantics used in the logic of global/local link variations, and proceed to show the axiomatization of these logics in its hybrid version…More>>