Jean-Yves Béziau. Ruth Barcan Marucs est-elle la mère du fils de Wittgenstein? - Harvey R. Brown & Oliver Pooley. The Problem of Induction from the Perspective of Physics. - Ptávio Bueno & Steven French. Infestation or Pest Control: The Introduction of Group Theory into Quantum Mechanics. - Walter A. Carnielli & Marcelo E. Coniglio. A Categorical Approach to the Semantics of Possible-Translation. - Richard L. Epstein. The Metaphysical Basic of Logic. - Edward H. Haeusler & Luiz Carlos P. D. Pereira. The Rules-as-Types Interpretations of Schröder-Heister's Extension of Natural Deduction. - Charles Marks. Bréhier and the Cartesian Circle. - Jairo José da Silva. Husserl's Coneception of Logic. - George Weaver & David Lippel. Amorphous Models u.a.