   Replete as they are with complex, abstract and controversial ideas, these two short paragraphs have set the agenda for all subsequent philosophical discussions of intentionality in the late nineteenth and the twentieth century. There has been some discussion over the meaning of Brentano’s expression ‘intentional inexistence.’ Did Brentano mean that the objects onto which the mind is directed are internal to the mind itself (in-exist in the mind)? Or did he mean that the mind can be directed onto non-existent objects? Or did he mean both? (See Crane, 1998 for further discussion.)