Boolean values: Difference between revisions

Content added Content deleted
m ({{header|Liberty BASIC}})
Line 291: Line 291:
* String: the empty (zero-length) string is <code>false</code>; otherwise <code>true</code>
* String: the empty (zero-length) string is <code>false</code>; otherwise <code>true</code>


=={{header|Liberty BASIC}}==
IF-statement, loop condition treats any non-zero integer as true.
Comparison operators evaluate to 1 (true) or 0 (false).
=={{header|Logo}}==
=={{header|Logo}}==
Logo has predefined symbols for true and false ("true and "false), which are the values returned by predicates and required by logical operators and conditionals.
Logo has predefined symbols for true and false ("true and "false), which are the values returned by predicates and required by logical operators and conditionals.