Assertion: predicate's value | /r/HasProperty | boolean
Facets:
Source sentences:
text: In Cocoa, a predicate is a logical statement that evaluates to a Boolean value (true or false).
text: A predicate is a condition expression that evaluates to a boolean value, either true or false.
text: A Predicate is being evaluated to a boolean value so the result is either true or false .
text: In Logo, predicates are operators, procedures (both built-in and used-defined) that output a boolean value.
text: A unary predicate must be callable, but need not necessarily be copyable, and must accept one argument and return a Boolean value.
text: A unary predicate must be callable and must accept one argument and return a Boolean value, but need not have any particular copy semantics.