The Uncertain Alien

  • Alexander Ollongren


An unusual platform in the field of interstellar communication with unknown extraterrestrial alien cultures is introduced. It is concerned with the concept of uncertainty and ways to deal with it in Lingua Cosmica. We use in the present chapter the basic supposition that ETI cultures are familiar with the concept of truth, but are not necessarily aware of falsity. What happens if uncertainty prevails?


Propositional Logic Type Expression Classical Propositional Calculus Informal Justification Uncertainty Risk 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


  1. Thanks are due to my former Ph.D. student Gertjan Kamsteeg, for suggesting the original form of this question many years ago.Google Scholar

Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Alexander Ollongren
    • 1
  1. 1.Advanced Computer ScienceLeiden UniversityLeidenThe Netherlands

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