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Edelcio G. de Souza

Edelcio G. de Souza is professor of Logic at the University of São Paulo. He is

interested in abstract logic, model theory and category theory.




Implications and Limits of Sequences

Issue: 6:1 (The twenty first issue)
This paper analyzes the problem of implication and attempts to
characterize conditionals by a criterion of adequacy. A definition of implication
based on the notion of limit of an infinite sequence is proposed.

Conjunctive and Disjunctive Limits: Abstract Logics and Modal Operators

Issue: 9:3/4 (the thirty fifth/sixth issue)
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.