FoLLI-LNCS is the publication platform for the Association of Logic Language and Information
(FoLLI www.folli.org). The Association was founded in 1991 to advance research and education
on the interface between logic linguistics computer science and cognitive science. The FoLLI
Publications on Logic Language and Information aim to disseminate results of cutting-edge
research and tutorial materials in these interdisciplinary areas. This LNCS volume is part of
FoLLi book serie and contains the papers presented at the 5th International Workshop on Logic
Rationality and Interaction (LORI-V) held in October 2015 in Taipei Taiwan. The topics
covered in this program well represent the span and depth that hasby now become a trademark of
the LORI workshop series where logic interfaceswith disciplines as diverse as game theory and
decision theory philosophyand epistemology linguistics computer science and artificial
intelligence.