1. Some Notes on Boolos’ Semantics: Genesis, Ontological Quests and Model-Theoretic Equivalence to Standard Semantics

   • Francesco Maria Ferrari

   Original Paper 06 September 2017 Pages: 125 - 154

2. An Elementary System of Axioms for Euclidean Geometry Based on Symmetry Principles

   • Boris Čulina

   Original Paper 24 August 2017 Pages: 155 - 180

   

3. Solving Smullyan Puzzles with Formal Systems

   • José Félix Costa
   • Diogo Poças

   Original Paper 28 April 2017 Pages: 181 - 199

4. N. A. Vasil’ev’s Logic and the Problem of Future Random Events

   • Dmitry Maximov

   Original Paper 05 August 2017 Pages: 201 - 217

   

5. The Constitution as an Axiomatic System

   • Vitaly Ogleznev
   • Valeriy Surovtsev

   Original Paper 19 August 2017 Pages: 219 - 232

6. Scientific Foundation of Business Models Theory: Research Traditions Approach

   • Tadeusz Sierotowicz
   • Tomasz Sierotowicz

   Original Paper 12 June 2017 Pages: 233 - 245

   

7. Fiction: Impossible!

   • Martin Vacek

   Original Paper 01 August 2017 Pages: 247 - 252