The paper discusses rationality at two levels. According to a common opinion the key to rationality at the group level is a willingness to contribute unselfishly at the individual level. I claim that even when rationality at the individual level is denied, it is often achieved by social punishment. The difficulty to organize a social project is exaggerated. The relative ease of implementing ind...

David Lewis (1974, 1994/1999) proposed to reduce the facts about mental representation sensory evidence, dispositions act, and rationality. Recently, Robert Williams (2020) Adam Pautz (2021) have taken up developed Lewis's project in sophisticated novel ways. In this paper, we aim present, clarify, ultimately object core thesis that they all build their own views around. The different developme...

The Fundamentalist Mindset is the culmination of a project that began as an online discussion and then grew to include a conference and monthly seminar. The current text is a compilation of papers collected on the various topics. The first two sections of the book focus on definitional issues and the underlying psychological characteristics of the mindset. These include the developmental antece...