發送短信 : Membership functions representing a number vs. representing a set: Proof of unique reconstruction

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