Text this: Fixed points for multivalued mappings and the metric completeness

   _____   _    _    ______    _    _     _____   
  / ___// | || | || |      \\ | || | ||  |__  //  
  \___ \\ | || | || |  --  // | || | ||    / //   
  /    // | \\_/ || |  --  \\ | \\_/ ||   / //__  
 /____//   \____//  |______//  \____//   /_____|| 
`-----`     `---`   `------`    `---`    `-----`