Predicates

noun

1. (grammar) The part of the sentence (or clause) which states something about the subject or the object of the sentence.

   "In "The dog barked very loudly", the subject is "the dog" and the predicate is "barked very loudly"."

2. A term of a statement, where the statement may be true or false depending on whether the thing referred to by the values of the statement's variables has the property signified by that (predicative) term.

   "A nullary predicate is a proposition."

3. An operator or function that returns either true or false.