Phenomenal Basis of IntentionalityIntentionality is the mind's ability to be of, about, or directed at things, or to say something. For example, a thought might say that grass is green or that Santa Claus is jolly, and a visual experience might be of a blue cup. While the existence of the phenomenon of intentionality is manifestly obvious, how exactly the mind gets to be directed at things, which may not even exist, is deeply mysterious and controversial. It has been long assumed that