أرسل هذا في رسالة قصيرة: Endpoints of multi-valued weakly contraction in complete metric spaces endowed with graphs

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