"Spottdrossel und Metavögel: Computerrätsel, mathematische Abenteuer und ein Ausflug in die vogelfreie Logik" von Raymond M. Smullyan ist eine Sammlung von Rätseln und logischen Herausforderungen, die den Leser in die Welt der formalen...

A celebrated mathematician presents more than 200 increasingly complex problems that delve into Godel's undecidability theorem and other examples of the deepest paradoxes of logic and set theory. Solutions. von Smullyan, Raymond M.

The Tao Is Silent Is Raymond Smullyan's beguiling and whimsical guide to the meaning and value of eastern philosophy to westerners."To me," Writes Smullyan, "Taoism means a state of inner serenity combined with an intense aesthetic...