Deduction chains represent a syntactic and in a certain sense constructive method for proving completeness of a formal system. Given a formula , the deduction chains of are built...
This paper investigated how people navigate through early Wireless Application Protocol (WAP) sites using their common-sense knowledge of social structures. The study is based on ...
We survey a number of decidablity and undecidablity results concerning epistemic temporal logic. The goal is to provide a general picture which will facilitate the `sharing of idea...