Interpreting Focus: Presupposed or Expressive Meanings? A Comment on Geurts and Van der Sandt

The BPR assumes that we already know how sentences are partitioned into focused and backgrounded material, and this is quite legitimate, given the literature on the topic , von Stechow ). If the BPR was true, no more would have to be said about the meaning of focus. The behavior of whatever inferences are generated by backgrounding could be taken care of by theories dealing with the projection of presuppositions of the familiar kind, the presuppositions of definite descriptions, clefts, or factives, for example. This is a non-trivial and interesting claim