Studia humana (SH) is a multi-disciplinary peer reviewed journal publishing valuable
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Guilherme Kubiszeski

Brazilian philosopher, teacher and poet. He is interested in metaphysics, logic and literature.



Existence and Predication in Free Logics

Issue: 6:4 (The twenty fourth issue)
This paper presents a fundamental difference between negative semantics for
free logics and positive ones regarding the logical relations between existence
and predication. We conclude that this difference is the key to understand why
negative free logics are stronger, i.e., they prove more, than positive free