A Buchholz Rule for Modal Fixed Point Logics Gerhard JägerThomas Studer OriginalPaper 08 January 2011 Pages: 1 - 19
Omnipresence, Multipresence and Ubiquity: Kinds of Generality in and Around Mathematics and Logics I. Grattan-Guinness OriginalPaper 22 January 2011 Pages: 21 - 73
Logic of Determination of Objects (LDO): How to Articulate “Extension” with “Intension” and “Objects” with “Concepts” Jean-Pierre DesclésAnca Pascu OriginalPaper 01 February 2011 Pages: 75 - 89
On a New Idiom in the Study of Entailment R. E. JenningsY. ChenJ. Sahasrabudhe OriginalPaper 29 March 2011 Pages: 101 - 113
On the Meaning of Connectives (Apropos of a Non-Necessitarianist Challenge) Luis Estrada-González OriginalPaper Open access 17 February 2011 Pages: 115 - 126
The Method of Scientific Discovery in Peirce’s Philosophy: Deduction, Induction, and Abduction Cassiano Terra Rodrigues OriginalPaper 09 March 2011 Pages: 127 - 164
Negation and Paraconsistent Logics Soma DuttaMihir K. Chakraborty OriginalPaper 12 March 2011 Pages: 165 - 176