Wyniki
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Propositional logic and erotetic inferences
Andrzej Wiśniewski
Bulletin of the Section of Logic , 14 /2 (1985) s. 72-76 -
Reducibility of questions to sets of yes-no
Andrzej Wiśniewski
Bulletin of the Section of Logic , 22 /3 (1993) s. 119-126