Raymond Smullyan on Epistemic Closure http://exmormon.org/phorum/read.php?2,1062811,1064064 …
Originally published in "This Book Needs No Title" in 1980.
8:47 PM - 19 Mar 2016
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.