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A boolean operation is a combination of comparison expressions. Boolean operations can only be used in conditional expressions.
This table lists all comparison operators in order from highest precedence to lowest.
True if x is false.
x and y
True if both x and y are true. The subexpression y is evaluated only if x is true.
x or y
True if at least one of x or y is true. The subexpression y is evaluated only if x is false.
This document was generated by Sergey Poznyakoff on December, 6 2008 using texi2html 1.78.