Attempts to conceptualize intentionality+ address important aspects about what it is to be human. Intentionality has been called many things: the central concept of psychology and philosophy of mind; the basic criterion for distinguishing the mental from the physical; the engine of consciousness; and more. We accept as common sense that such things as agency, subjectivity and intentionality are real but there is great difficulty in grounding these in anything empirical. The use of formal language^ can provide a kind of observable data or manifest behaviour whereby representations for intentionality can be explored. In the following chapters, a highly constrained notion of intentionality is defined, and if not grounded, it is found to...