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xkcd: "The Hardest Logic Puzzle in the World" (xkcd.com) posted by etno. appeared on reddit on 2007-09-25 15:30:03. read comments. |
![]() |
xkcd: "The Hardest Logic Puzzle in the World" (xkcd.com) posted by etno. appeared on reddit on 2007-09-25 15:30:03. read comments. |