Preface. - Shahid Rahman; Helge Rückert (Synth., 2001)

Dialogical Connexive Logic. - Shahid Rahman; Helge Rückert (Synth., 2001)

A Solution to Fitch' Paradox of Knowability. - Helge Rückert (Logic, Epistemology, and the Unity of Science, 2004)