Lingua universalis vs. calculus ratiocinatorde Jaakko Hintikka · Publicada por primera vez en 1997MateriasLanguage and languagesLanguage and logicLanguage, UniversalLogic, Symbolic and mathematicalModern PhilosophyPhilosophyPhilosophy, ModernSymbolic and mathematical LogicTruthUniversal Language
DDistributive normal forms in the calculus of predicatesDistributive normal forms in the calculus of predicates1953