Граници на логическия плурализъм
Limits of Logical Pluralism

Summary/Abstract: In the present article we are looking for the boundaries of logical pluralism as well as for the stable core in the logical systems which entitle them to call logic. The investigation shows that the entailment determines logical systems and simultaneously it is a reason for their difference. It may be adopted as a lower boundary for the logical pluralism whereas the requirements for the formation of models – as an upper one. On each level between these boundaries there are different possibilities to arise pluralism. But cases (situations, constructions, worlds and so on) which specify logical consequence and have a basic role in models are fundamental for the difference between systems.

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