[FOM] Square of Opposition Congress

Jon Awbrey jawbrey at att.net
Tue Dec 15 12:12:59 EST 2009

There's no way I can get to that conference,
but I have run into a slightly novel (to me)
perspective on the square of opposition in
connection with my studies of higher order
propositional logic.  See the tables here:


or here:


Jon Awbrey


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