 The exact formulation of this requirement has been a subject of intense debate, some arguing for a reflexive (self-referential) definition, others for a potentially infinite but practically finite number of clauses in the definition, with conceptual, logical or psychological arguments. What seems to be a matter of consensus is that every covert or even neutral (with respect to its intended recognition by the addressee) aspect of the speaker’s intention must be left out of the definition of communicative intentions.