Ideas do not have to be correct in order to be good;
it's only necessary that, if they do fail,
they do so in an interesting way.
(Robert Rosen, 1934-1988)
Be sure to check my MAIN RESEARCH PAGE.
A reasonably updated compilation may also be found in my Lattes CV.
Master is not he who always teaches, but he who all of a sudden learns.
(says Riobaldo Tatarana, in João Guimarães Rosa's "The Devil to Pay in the Backlands", 1956)
Courses at UFRN are supposed to be accessed through SIGAA.
Once you're here, you might also be after the material of one of the following courses:
Lógica Computacional: demonstração assistida e semi-automática de teoremas.
As I told earlier, I never repeat anything.