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IMP Logical Operator
 
Syntax
  result = numeric-expression1 IMP numeric-expression2
 
The logical-implication operator, IMP, compares corresponding bits in
numeric-expression1 and numeric-expression2, and then sets the
corresponding bit in the result according to the following table:
 
──────────────────────────────────────────────────────────────────
Bit in First Expression   Bit in Second Expression   Bit in Result
──────────────────────────────────────────────────────────────────
       1                         1                          1
       1                         0                          0
       0                         1                          1
       0                         0                          1
──────────────────────────────────────────────────────────────────