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The present paper is a synthesis of three presentation given by myself at the Toulouse IAC 2001 (Analogy as a tool to communicate abstract concepts in SETI), the Bremen IAC 2003 (From maths to culture: towards an effective message), and the Vancouver IAC 2004 (Philosophical and religious implications of extraterrestrial intelligent life). Its aim is to find a way to make our cultural concepts understandable...
SETI's essential premises involve evolution in multiple domains: cosmology, biology, culture and technology. Comparatively little has been written about the last of these, technology, in relation to SETI's targets, but it is a crucial variable and well worth deep examination. In particular, it would seem prudent to consider carefully our assumptions about hypothetical extraterrestrial societies which...
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