South American Journal of Logic
Volume 5, Issue 1, July 2019

1. Numerical Existence Property and Numerical Content: Intuitionistic Logic versus Arithmetical Logic
Yvon Gauthier
Faculty of Arts and Sciences, University of Montreal, Montreal, Canada

2. An Algebraic Approach to Orthologic
Hércules de A. Feitosa, Angela P.R. Moreira and Marcelo R. Soares
Department of Mathematics, São Paulo State University (UNESP), Bauru and Marília, SP, Brazil

3. Truncation in Hahn Fields is Undecidable and Wild
Santiago Camacho
Department of Mathematics, University of Illinois at Urbana-Champaign, Urbana, Illinois, U.S.A.

4. A First-Order Modal Theodicy: God, Evil, and Religious Determinism
Gesiel Borges da Silva and Fábio Maia Bertato
Institute of Philosophy and the Humanities (IFCH) and Centre for Logic, Epistemology, and the History of Science (CLE), University of Campinas (UNICAMP), Campinas, SP, Brazil

5. Probability, Intuitionistic Logic and Strong Negation
François Lepage
Faculté des Arts et des Sciences - Déepartement de Philosophie, Université de Montréal, Montréal, QC, Canada

6. Planar Heyting Algebras for Children
Eduardo Ochs
Department of Natural Sciences, Universidade Federal Fluminense (UFF) Rio das Ostras, RJ,

7. Review: Guillermo E. Rosado Haddock's Unorthodox Analytic Philosophy
Francesco Maria Ferrari
Centre for Logic, Epistemology, and the History of Science (CLE), University of Campinas (UNICAMP), Campinas, SP, Brazil