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4.6.6 boolean operations

and
logical and, may also be written as &&

or
logical or, may also be written as ||

not
logical not, may also be written as !

The precedence of the boolean operations is:

  1. parentheses
  2. comparisons
  3. not
  4. and
  5. or


Example:
 
  (1>2) and 3;
==> 0
  1 > 2 and 3;
==> 0
  ! 0 or 1;
==> 1
  !(0 or 1);
==> 0


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