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  _____      ___      _  __    _____    __   __  
 |__  //    / _ \\   | |/ //  |  ___||  \ \\/ // 
   / //    / //\ \\  | ' //   | ||__     \   //  
  / //__  |  ___  || | . \\   | ||__     / . \\  
 /_____|| |_||  |_|| |_|\_\\  |_____||  /_//\_\\ 
 `-----`  `-`   `-`  `-` --`  `-----`   `-`  --`

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Text this: Applied proof theory : proof interpretations and their use in mathematics