Online research in philosophy

: Philosophers in the analytic and phenomenological traditions have interpreted Brentano's intentionality thesis, and his empirical psychology more generally, in significantly different ways. Disregarding Brentano's distinctive psychological method, analytic philosophers have typically read him as a philosopher of mind, and his intentionality thesis as a contribution to the Cartesian project of clarifying the distinction between the mental and the physical. Phenomenologists, while more attentive to his method, tended to read Brentano as merely Òon the wayÓ to a truly phenomenological approach. I offer a third reading of Brentano thesis, one that attends to both the motivating concerns and the distinctive methodological features of his psychological project.

The apparent incompatibility of mental states with physical explanations has long been a concern of philosophers of psychology. This incompatibility is thought to arise from the intentionality of mental states. But, Brentano notwithstanding, intentionality is an ordinary feature of higher order behavior patterns in the classical literature of ethology.

Inspired by Aristotle, Franz Brentano revived the concept of intentionality to characterize the domain of mental phenomena studied by descriptive psychology. Edmund Husserl, while discarding much of Brentano?s conceptual framework and presuppositions, located intentionality at the core of his science of pure consciousness (phenomenology). Martin Heidegger, Husserl?s assistant from 1919 to 1923, dropped all reference to intentionality and consciousness in Being and Time (1927), and so appeared to break sharply with his avowed mentors, Brentano and Husserl. Some recent commentators have sided with Heidegger and have endorsed his critique of Husserl and Brentano as still caught up in epistemological, representationalist approaches to intentionality. I argue that Heidegger is developing Husserl, focusing in particular on the ontological dimension of intentionality, not reversing or abandoning his account. Heidegger?s criticisms of representationalism merely repeat Husserl?s. Furthermore, I argue that Husserl?s account of cognitive intentionality, which recognizes the importance of the disinterested theoretical attitude for scientific knowledge, has been underestimated and misunderstood by Heidegger, who treats scientific cognition as a deficient form of practice. In short, Heidegger is more dependent on Husserl than he ever publicly acknowledged.

Franz Brentano’s attempt to distinguish mental from physical phenomena by employing the scholastic concept of intentional inexistence is often cited as reintroducing the concept of intentionality into mainstream philosophical discussion. But Brentano’s own claims about intentional inexistence are much misunderstood. In the second half of the 20th century, analytical philosophers in particular have misread Brentano’s views in misleading ways.1 It is important to correct these misunderstandings if we are to come to a proper assessment of Brentano’s worth as a philosopher and his position in the history of philosophy. Good corrections have been made in the recent analytic literature by David Bell (1990), Dermot Moran (1996), and Barry Smith (1994) among others. But there is also another, more purely philosophical lesson to be learned from the proper understanding of Brentano’s views on this matter. This is that Brentano’s struggles with the concept of intentionality reveal a fundamental division between different ways of thinking about intentionality, an division which Brentano himself does not make fully clear. Making the nature of this division explicit is the aim of this paper.

The early Brentano identifies intentionality with intentional inexistence, i.e., with a kind of indwelling of the intentional object in the mind. The latter concept cannot be grasped apart from its scholastic background and the Aristotelian—Thomistic doctrine of the multiple use of being (to on legetai pollachos). The fact that Brentano abandoned the theory of the intentional inexistence in the course of time does not contradict the thesis that it is intentional inexistence and not the modern conception of reference or directedness to something other which comprises the essence of intentionality for the early Brentano.

After Brentano, intentionality is often characterized as “the mark of the mental”. In Brentano‟s view, intentionality “is characteristic exclusively of mental phenomena. No physical phenomenon manifests anything like it”. 2 After Meinong, it is also generally believed that intentionality, as this characteristic mental phenomenon, concerns a specific type of objects, namely, intentional objects, having intentional inexistence, as opposed to ordinary physical objects, having real existence. Thus, intentional objects are supposed to constitute a mysterious ontological realm, the dwelling place of the objects of dreams and fiction, and other “weird entities”, even inconsistent objects, such as round squares. Finally, it is also generally held that intentionality somehow defies logic, as the well-known phenomena of the breakdown of the substitutivity of identicals, the failure of existential generalization, and generally the strange behavior of quantification in intentional contexts testify. In this paper, I will refer to these positions as the psychological, ontological, and logical “myths of intentionality”, respectively. The reason is that although this important modern notion of intentionality and the positions involving it are supposed to have come from medieval philosophy, medieval philosophers would be starkly opposed to them. On the basis of the relevant doctrines of some medieval philosophers, especially, Aquinas and Buridan, this paper is going to argue that the three positions on intentionality described above are in fact just three modern myths.

This paper proposes interpretations of the vexed notions of intensionality and intentionality and then investigates their resulting interrelations.The notion of intentionality comes from Brentano, in connection with his view that it can help us understand the mental. Setting aside Husserl’s basic definition of intentionality as not quite in line with Brentano’s explanatory purpose, this paper proposes that intentionality be defined in terms of inexistence and indeterminacy.It results that Brentano’s thesis (that all and only mental phenomena are intentional) will not be strictly true. However, intentional descriptions will always be intensional, though not all intensional descriptions will be intentional.

The central and defining characteristic of thoughts is that they have objects. The object of a thought is what the thought concerns, or what it is about. Since there cannot be thoughts which are not about anything, or which do not concern anything, there cannot be thoughts without objects. Mental states or events or processes which have objects in this sense are traditionally called ‘intentional,’ and ‘intentionality’ is for this reason the general term for this defining characteristic of thought. Under the heading of ‘thought’ we can include many different kinds of mental apprehension of an object—including relatively temporary episodes of contemplating or scrutinising, as well as persisting states like beliefs and hopes which are not similarly episodic in character. These are all ways of thinking about an object. But even construing ‘thought’ in this broad way, it is clear that not all mental states and events are thoughts: sensations, emotions and perceptual experiences are not thoughts, but they are also paradigmatically mental. Do these mental states and events have objects too? Or are there mental states and events which have no objects? 1 The view that all mental phenomena have objects is sometimes called ‘Brentano’s thesis’ or the thesis that intentionality is the ‘mark’ of the mental.1 Sometimes the name ‘Brentano’s thesis’ is given to certain other views too: for example, to the view that only mental phenomena are intentional, or that all and only mental phenomena are intentional, or that nothing physical is intentional. These views are, however, distinct from the view that all mental phenomena are intentional. For holding that all mental phenomena are intentional does not imply that nothing nonmental is.2 And holding that all mental phenomena are intentional does not imply (pace Dennett 1969) that nothing physical is intentional; since if physicalism were true, then the mental itself would be physical. What I am concerned with here, however, is the idea that all mental states are intentional, regardless of whether anything else is, or whether anything physical is. In recent years there has been considerable debate over whether all mental states are intentional; in particular, over whether all conscious mental states are intentional or entirely intentional.

I question Brentano's thesis that all and only mental phenomena are intentional. The common gloss on intentionality in terms of directedness does not justify the claim that intentionality is sufficient for mentality. One response to this problem is to lay down further requirements for intentionality. For example, it may be said that we have intentionality only where we have such phenomena as failure of substitution or existential presupposition. I consider a variety of such requirements for intentionality. I argue they either fail to exclude all non-mental phenomena or are so demanding that they ground new, serious challenges to the claim that qualitative states of mind are intentional.

Intentionality is the mind’s capacity to direct itself on things. Mental states like thoughts, beliefs, desires, hopes (and others) exhibit intentionality in the sense that they are always directed on, or at, something: if you hope, believe or desire, you must hope, believe or desire something. Hope, belief, desire and any other mental state which is directed at something, are known as intentional states. Intentionality in this sense has only a peripheral connection to the ordinary ideas of intention and intending. An intention to do something is an intentional state, since one cannot intend without intending something; but intentions are only one of many kinds of intentional mental states. The terminology of intentionality derives from the scholastic philosophy of the Middle Ages, and was revived by Brentano in 1874. Brentano characterized intentionality in terms of the mind’s direction upon an object, and emphasized that the object need not exist. He also claimed that it is the intentionality of mental phenomena that distinguishes them from physical phenomena. These ideas of Brentano’s provide the background to twentieth-century discussions of intentionality, in both the phenomenological and analytic traditions. Among these discussions, we can distinguish two general projects. The first is to characterize the essential features of intentionality. For example, is intentionality a relation? If it is, what does it relate, if the object of an intentional state need not exist in order to be thought about? The second is to explain how intentionality can occur in the natural world. How can..