Using language game notions and the equivalence between games, this document studies John Nash’s decision of not playing the coalitional game proposed by John von Neumann. The key point is that Nash suggested hypothetical worlds that are incompatible with the kind proposed by von Neumann. And,...

This paper shows the relevance of Popper's Rationality Principle (RP) for the appraisal of the impressive mass work emerging, in recent years, in the fields of rationality, learning, evolutionary games and behavioral economic theory. In contradistinction to the well-known rigid criteria of the...