Intentions and Goals - a Time Analysis of goal-directed Actions

There can be analyzed at least four different types of intentions: prior intentions, intentions in action, intentions with which and further intentions. But how are these different types of intentions related? And what is their relation to goals in goal-directed actions? This work tries to answer these questions by a temporal analysis of intentions as mental states. it gives a new argument for the unity of the different forms of intention and shows the central state goals have thereby.