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    Journal: Studia Logica

    Volume 44, Issue 4

    321 -- 351Janusz Czelakowski, Grzegorz Malinowski. Key notions of Tarski's methodology of deductive systems
    353 -- 368Helena Rasiowa. +-valued Post logic
    369 -- 387Janusz Czelakowski. Algebraic aspects of deduction theorems
    389 -- 403Johan van Benthem. The variety of consequence, according to Bolzano
    405 -- 422Carlos E. Alchourrón, David Makinson. On the logic of theory change: Safe contraction
    423 -- 437Robert Goldblatt. An algebraic study of well-foundedness
    439 -- 445Raymond M. Smullyan. Uniform self-reference
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