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Problems in two axiomatizations of Ja\'skowski's discussive (or discursive)logic D2 are considered. A recent axiomatization of D2 and completeness proofrelative to D2's intended semantics seems to be mistaken because some formulasvalid according to the intended semantics turn out to be unprovable. Althoughno new axiomatization is offered, nor a repaired completeness proof given, theshortcomings identified here may be a step toward an improved axiomatization.

Some problems with two axiomatizations of discussive logic