External Links

    Journal: Math. Log. Q.

    Volume 26, Issue 34-35

    529 -- 536Bogdan S. Chlebus. Decidability and Definability Results Concerning Well-Orderings and Some Extensions of First Order Logic
    537 -- 546Roman Murawski. Some Remarks on the Structure of Expansions
    547 -- 554Klaus Denecke. Implikative BCK-Algebren
    555 -- 559Martin Kühnrich, Konrad Schultz. A Hierarchy of Models for Skala's Set Theory
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