Conjunctive and Disjunctive Limits: Abstract Logics and Modal Operators

Alexandre Costa-Leite 1  and Edelcio G. de Souza 2
  • 1 University of Brasilia, Campus Darcy Ribeiro – ICC – Ala Norte, CEP 70910-900, Brasilia DF, Brazil
  • 2 University of Sao Paulo, , Rua Luciano Gualberto, 315, CEP 05508-010, Sao Paulo, Brazil

Abstract

Departing from basic concepts in abstract logics, this paper introduces two concepts: conjunctive and disjunctive limits. These notions are used to formalize levels of modal operators.

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