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 | Predicate non_terminal/1 |
Availability:built-in
non_terminal :PredicateIndicator,
...non_terminal property on the predicate. This
indicates that the predicate implements a grammar rule. See
predicate_property/2.
The non_terminal property is set for predicates exported as Name//Arity
as well as predicates that have at least one clause written using the
-->/2