Linguistics and Philosophy, Vol. 26, No. 5 (Oct., 2003), pp. 595-635 (41 pages) Ryle (1949, Chapter V) discusses a range of predicates which in different ways exemplify a property I shall call ...

A new formalism for predicate logic is introduced, with a non-standard method of binding variables, which allows a compositional formalization of certain anaphoric constructions, including 'donkey ...