Jean-Yves Beziau
Brazilian Academy of Philosophy, CNPq and University of Brazil, Rio de Janeiro
The Exceptionality of Logic

Gregory Chaitin
University of Brazil, Rio de Janeiro
From Gödel Incompleteness to Biological Creativity

Eduardo Ochs
Federal Fluminense University, Rio das Ostras
How to almost teach Intuitionistic Logic to Discrete Mathematics students

Paulo Alcoforado
Brazilian Academy of Philosopy, Rio de Janeiro
Historical remarks on the development of logic in Rio de Janeiro

Antonio Marmo da Cunha Oliveira
University of Brazil, Rio de Janeiro
Perhaps even before Boole ...

Francisco Antonio Doria
Brazilian Academy of Philosophy, CNPq and University of Brazil, Rio de Janeiro
The Chaitin--Thorp theorem