F Gs' as "there is at most one x such that Fx and there is at least one xsuch that Fx and Gx'. Bacon analyses it as "for all x if x uniquely Fs, then Gx. ' In either case all sentences containing definite descriptions are true or false even when there fails to be a unique entity described. For Russell "The present King of France is bald' is false, for Bacon true. Bacon's analysis, in particular, meshes nicely with a feature of generalizations: "All present Kings of France are bald' is also true when there are no present Kings of France." /> Undefined definite descriptions - Daniels Charles | sdvig press