4.3.6 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