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The MU puzzle is a puzzle stated by Douglas Hofstadter and found in ''Gödel, Escher, Bach''. As stated, it is an example of a Post canonical system and can be reformulated as a string rewriting system. ==The puzzle== Suppose there are the symbols M , I , and U which can be combined to produce strings of symbols. The MU puzzle asks one to start with the "axiomatic" string MI and transform it into the string MU using in each step one of the following transformation rules:〔〕〔 Here: Chapter I.〕 : 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「MU puzzle」の詳細全文を読む スポンサード リンク
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