### 4.5.6 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

User manual for Singular version 4-0-3, 2016, generated by texi2html.