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

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Text this: Theorem Proving in Higher Order Logics