On using degrees of belief in BDI agents

The past few years have seen a rise in the popularity of the use of mentalistic attitudes such as beliefs desires and intentions to de scribe intelligent agents Many of the models which formalise such attitudes do not admit degrees of belief desire and intention We see this as an understandable simpli cation but as a simpli cation which means that the re sulting systems cannot take account of much of the useful information which helps to guide human reasoning about the world This pa per starts to develop a more sophisticated system based upon an existing formal model of beliefs desires and intentions