The Belief-Desire-Intention model of human practical reasoning was developed by Bratman as a way of explaining future-directed intention. It was part of the inspiration behind the BDI software architecture, which Bratman was also involved in developing. BDI agents is a particular type of rational software agent extended with some mental attitudes : Beliefs, Desires and Intentions (BDI). ...

BDI is fundamentally reliant on Folk Psychology, which is the notion that our mental models of the world are theories. (Folk Psychology has been dubbed the 'theory theory'.)