Search Results for author: Ivan Varzinczak

Found 5 papers, 0 papers with code

Situated Conditional Reasoning

no code implementations3 Sep 2021 Giovanni Casini, Thomas Meyer, Ivan Varzinczak

With the semantics in place, we proceed to define a form of entailment for situated conditional knowledge bases, which we refer to as minimal closure.

Theoretical Foundations of Defeasible Description Logics

no code implementations16 Apr 2019 Katarina Britz, Giovanni Casini, Thomas Meyer, Kody Moodley, Uli Sattler, Ivan Varzinczak

Besides showing that our semantics is appropriate, these results pave the way for more effective decision procedures for defeasible reasoning in DLs.

On Rational Entailment for Propositional Typicality Logic

no code implementations28 Sep 2018 Richard Booth, Giovanni Casini, Thomas Meyer, Ivan Varzinczak

Propositional Typicality Logic (PTL) is a recently proposed logic, obtained by enriching classical propositional logic with a typicality operator capturing the most typical (alias normal or conventional) situations in which a given sentence holds.

Sentence

On the Link between Partial Meet, Kernel, and Infra Contraction and its Application to Horn Logic

no code implementations16 Jan 2014 Richard Booth, Thomas Meyer, Ivan Varzinczak, Renata Wassermann

The use of belief bases to obtain this result provides evidence for the conjecture that Horn belief change is best viewed as a hybrid version of belief set change and belief base change.

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