Describir: Computability and unsolvability

             ___     _    _      ___     _    _      ___      _  _      ___    
  ____      / _ \\  | |  | ||   / _ \\  | || | ||   / _ \\   | \| ||   / _ \\  
 |    \\   | / \ || | |/\| ||  | / \ || | || | ||  | / \ ||  |  ' ||  / //\ \\ 
 | [] ||   | \_/ || |  /\  ||  | \_/ || | \\_/ ||  | \_/ ||  | .  || |  ___  ||
 |  __//    \___//  |_// \_||   \___//   \____//    \___//   |_|\_|| |_||  |_||
 |_|`-`     `---`   `-`   `-`   `---`     `---`     `---`    `-` -`  `-`   `-` 
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