%0 Journal Article %T Newton da Costa e a escola de Curitiba %A Micali %A Artibano %J Manuscrito %D 2011 %I Universidade Estadual de Campinas %R 10.1590/S0100-60452011000100002 %X this paper intends to report on the beginning of the publications of newton da costa outside brazil. two mathematicians played an important role in this beginning: marcel guillaume from the university of clermont-ferrand and paul dedecker from the universities of lille and li¨¨ge. at the same time we recall the role played by newton da costa and jayme machado cardoso in the development of what we call here the school of curitiba [escola de curitiba]. paraconsistent logic was initiated in this school under the influence of newton da costa. as another contribution of this school we mention the development of the theory of quasigroups; jayme machado cardoso's name has been given, by sade, to some particular objects which are now called cardoso quasigroups. %K school of curitiba %K paraconsistent logic %K theory of quasigroups %K cardoso quasigroups %K irrationality %K cras (comptes rendus de l'acad¨¦mie des sciences de paris). %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0100-60452011000100002&lng=en&nrm=iso&tlng=en