Logicality and Model Classes

We ask, when is a property of a model a logical property? According to the so-called Tarski-Sher criterion this is the case when the property is preserved by isomorphisms. We relate this to model-theoretic characteristics of abstract logics in which the model class is definable. This results in a gr...

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Hauptverfasser:	Kennedy, Juliette, Väänänen, Jouko
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Logic
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