Calculating self-referential statements, I: Explicit calculations Craig Smorynski OriginalPaper Pages: 17 - 36
An axiomatization of the modal theory of the veiled recession frame W. J. Blok OriginalPaper Pages: 37 - 47
The existence of matrices strongly adequate for E, R and their fragments Marek Tokarz OriginalPaper Pages: 75 - 85
