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1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   truth table
      <logic> A table listing all possible combinations of inputs
      and the corresponding output of a Boolean function such as
      AND, OR, NOT, IMPLIES, XOR, NAND, NOR.  Truth
      tables can be used as a means of representing a function or as
      an aid in designing a circuit to implement it.
      (1998-07-30)