Like in previous editions of UNILOG, we will have a Secret Speaker, a
Speaker whose identity is revealed only at the time of her/his/its talk.
Previous secret speakers at UNILOG include Saul Kripke and Jaakko Hintikka.
Guess who is the Secret Speaker and win a trip to the 8th UNILOG in Cusco,
Per
List:
According to Peirce, classical logic as implemented using the Alpha
(propositional) and Beta (first-order predicate) parts of his Existential
Graphs (EG) is applicable only to a universe of discourse that is definite,
individual, and real.
CSP: The sheet on which the graphs are written (cal
Jon,
I always love your posts to the Peirce List. Thank you for asking after the
best ways to think about the generality of reality in Peircean terms.
Besides the two-valued intuitionistic logic, three-valued triadic logic, and
four-valued Ł-modal logics, Peirce give us the language the “Three
