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formal_language_square_root (336B)

      1 # Formal language square root
      2 
      3 The *square root* of a [formal_language] L is the language of the words u such that uu in L
      4 
      5 The square root of a [regular_language] is a [regular_language]
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      7 [state_complexity] studied in [onishchenko2026nondeterministic]
      8 
      9 Up: [formal_language_operator], [square_root]
     10 
     11 See also: [formal_language_square]