1. 6
    An Epistemological Nightmare philosophy mit.edu
    mf avatar via mf 10 years ago |
    Archive.org Archive.today Ghostarchive
    | 1 comment
  1. 1
    philcrissman avatar philcrissman 10 years ago | link

    I love Smullyan. I need to pick up some of his old logic puzzle books, they were great.