"Why Logic: How can logic be useful in philosophy and other fields?"
http://www-philosophy.stanford.edu/fss/df.html
Why Logic? Can logic and formal methods be of help when one works on
philosophical issue? If so, how? These and other related questions
are dealt with in a book that is coming out in December: Formal
philosophy: 5 questions for formal philosophers. I will set forth my
own view on these issues and also discuss some of the other views
that are put forth in the book.