Could robots be phenomenally conscious?

In a recent book (Tye 2017), Michael Tye argues that we have reason to attribute phenomenal consciousness to functionally similar robots like commander Data of Star Trek. He relies on a kind of inference to the best explanation – ‘Newton’s Rule’, as he calls it. I will argue that Tye’s liberal view of consciousness attribution fails for two reasons. First, it leads into an inconsistency in consciousness attributions. Second, and even more importantly, it fails because ceteris is not paribus. The big, categorical difference in history between Data-like robots on the one hand and human beings on the other hand defeats the ceteris paribus assumption, which can be seen by various considerations. So the inference rule cannot be applied. We should not attribute phenomenal consciousness to robots like Data.     

Outside Color from Just Outside

Chirimuuta's view and my own are as close as they are because we both take two quite controversial stances: pragmatism as against a correspondence‐based view of perceptual success, and adverbialism as against a representational view of color experience. Unsurprisingly, of course, we do not understand these positions in precisely the same ways. In these comments I would like to see if I can persuade Chirimuuta to take two steps in my direction. The first step is to broaden her pragmatism so that it treats truth and accuracy in similar ways, for belief as well as perception, and for all sorts of properties. The second is to narrow her adverbialism so that it applies only to the fine‐grained appearances of the colors, and leaves aside the coarse‐grained colors themselves, which seem to remain as constant properties of objects, even as their appearances change.     

The Limits of Adverbialism about Intentionality

Kriegel has recently developed (but not fully endorsed) an adverbial account of intentionality, in part to solve the problem of how we can think of non-existents. The view has real virtues: it endorses a non-relational (internalist) conception of intentionality and is ontologically conservative. Alas, the view ultimately cannot replace the act-object model of intentionality that it seeks to, because it depends on the act-object model for its intelligibility at key points. It thus fails as a revisionistic theory. I argue that the virtues of adverbialism can be had from within the act-object framework, provided we understand intentional objects correctly. I use Crane as a guide here, and build on his work on intentional objects. In the end, we can provide a suitable solution to the problem of thinking of non-existents within the act-object framework without adopting implausible ontological or metaphysical views. So, adverbialism is neither a possible stand-alone revisionary option nor a needed modification of the common-sense act-object framework of intentionality.     

Criteria for logical formalization

The article addresses two closely related questions: What are the criteria of adequacy of logical formalization of natural language arguments, and what gives logic the authority to decide which arguments are good and which are bad? Our point of departure is the criticism of the conception of logical formalization put forth, in a recent paper, by M. Baumgartner and T. Lampert. We argue that their account of formalization as a kind of semantic analysis brings about more problems than it solves. We also argue that the criteria of adequate formalization need not be based on truth conditions associated with logical formulas; in our view, they are better based on structural (inferential) grounds. We then put forward our own version of the criteria. The upshot of the discussion that follows is that the quest for an adequate formalization in a suitable logical language is best conceived of as the search for a Goodmanian reflective equilibrium.     

The location problem for color subjectivism

According to color subjectivism, colors are mental properties, processes, or events of visual experiences of color. I first lay out an argument for subjectivism founded on claims from visual science and show that it also relies on a philosophical assumption. I then argue that subjectivism is untenable because this view cannot provide a plausible account of color perception. I describe three versions of subjectivism, each of which combines subjectivism with a theory of perception, namely sense datum theory, adverbialism, and the virtual color proposal, and argue that each version faces serious objections. Considering these three theories of perception to be exhaustive of those available to the subjectivist, I conclude that subjectivism is untenable and that the scientifically motivated argument for this view is unsound. I then offer the diagnosis that the philosophical assumption on which this argument relies is mistaken.     

Technology, knowledge, governance: The political relevance of Husserl’s critique of the epistemic effects of formalization

This paper explores the political import of Husserl’s critical discussion of the epistemic effects of the formalization of rational thinking. More specifically, it argues that this discussion is of direct relevance to make sense of the pervasive processes of ‘technization’, that is, of a mechanistic and superficial generation and use of knowledge, to be observed in current contexts of governance. Building upon Husserl’s understanding of formalization as a symbolic technique for abstraction in the thinking with and about numbers, I argue that processes of technization, while being necessary and legitimate procedures for the reduction of complexities, also may give rise to politically unresponsive and ultimately dysfunctional ‘economies of thinking.’ This paper is structured in three parts. In the first part I outline Husserl’s account of the formalization and technization of thought and knowledge. In the second part I make my case for the political import of this account, departing in this context from positions that (a) regard Husserl’s discussions of formalization and its effects as merely epistemological, or that (b) try to mobilize Husserl for a one-sided critique of instrumental reason. In the final part I address a major shortcoming of Husserl’s account, namely its neglect of the concrete and historically evolving technological infrastructures of processes of formalization/technization.     

Über das Unbemerkbare in der Wahrnehmung. Eine phänomenologische Auseinandersetzung mit dem Standpunkt der analytischen Philosophie zum Thema ,Aufmerksamkeit‘

What we cannot notice, we cannot be perceptually aware of either: This view, still very popular in contemporary analytic philosophy of mind, has been recently defended by M. Tye and A. Noë. The present paper tries to undermine this idea by referring to some empirical cases showing that we can be perceptually aware of something which our thematic attention fails to grasp. The limits of perception do not coincide with the limits of attention, and this holds not only in the case of so called “primary attention,” but also in the case of “secondary attention.” We therefore reject Arvidson’s hypothesis of the identity between the field of attention and the field of consciousness.     

Diachronic and synchronic unity

There are two different varieties of question concerning the unity of consciousness: questions about unity at a time, and unity over time. A recent trend in the debate about unity has been to attempt to provide a ‘generalized’ account that purports to solve both problems in the same way. This attempt can be seen in the accounts of Barry Dainton and Michael Tye. In this paper, I argue that there are crucial differences between unity over time and unity at a time that make it impossible to provide a generalized account of unity. The source of these crucial differences is the phenomenon of the ‘continuity of consciousness’. I argue that accounts of unity over time have to provide an account of this continuity, and that there is no phenomenon analogous to continuity in the case of unity at a time. Attention to the continuity of consciousness reveals crucial structural differences between the two varieties of unity. These structural differences make it impossible to provide a generalized account of unity. I show that the problems faced by Dainton’s and Tye’s accounts in the light of the structural differences make their accounts of unity appear far less appealing than they might initially have looked. I conclude by noting that, in the light of the important differences between the two varieties of unity, it is a mistake to attempt to model accounts of unity over time on accounts of unity at a time.     

On the Content of Experience*

The intentionalist about consciousness holds that the qualitative character of experience, “what it’s like,” is determined by the contents of a select group of special intentional states of the subject. Fred Dretske (1995) , Mike Thau (2002) , Michael Tye (1995) and many others have embraced intentionalism, but these philosophers have not generally appreciated that, since we are intimately familiar with the qualitative character of experience, we thereby have special access to the nature of these contents. In this paper, we take advantage of this fact to show that intentionalism is incompatible with the idea that these contents are singular or general propositions, and thus that intentionalism is incompatible with one dominant trend in thinking about contents in general. In particular, there appear to be insoluble difficulties in explaining how the phenomenology of place and time can be explained by any intentionalist theory appealing to singular or general propositions.     

A conditional logic for abduction

We propose a logic of abduction that (i) provides an appropriate formalization of the explanatory conditional, and that (ii) captures the defeasible nature of abductive inference. For (i), we argue that explanatory conditionals are non-classical, and rely on Brian Chellas’s work on conditional logics for providing an alternative formalization of the explanatory conditional. For (ii), we make use of the adaptive logics framework for modeling defeasible reasoning. We show how our proposal allows for a more natural reading of explanatory relations, and how it overcomes problems faced by other systems in the literature.     

How to be an adverbialist about phenomenal intentionality

Synthese - Kriegel has revived adverbialism as a theory of consciousness. But recent attacks have shed doubt on the viability of the theory. To save adverbialism, I propose that the adverbialist...     

BLURRED VISION AND THE TRANSPARENCY OF EXPERIENCE

Abstract:  This paper considers an objection to intentionalism (the view that the phenomenal character of experience supervenes on intentional content) based on the phenomenology of blurred vision. Several intentionalists, including Michael Tye, Fred Dretske, and Timothy Crane, have proposed intentionalist explanations of blurred vision phenomenology. I argue that their proposals fail and propose a solution of my own that, I contend, is the only promising explanation consistent with intentionalism. The solution, however, comes at a cost for intentionalists; it involves rejecting the "transparency of experience", a doctrine that has been the basis for the central argument in favor of intentionalism.     

Causal Analyses Of Seeing

I critically analyse two causal analyses of seeing, by Frank Jackson and Michael Tye.I show that both are unacceptable. I argue that Jackson's analysis fails because it doesnot rule out cases of non-seeing. Tye's analysis seems to be superior to Jackson's in thisrespect, but I show that it too lets in cases of non-seeing. I also show that Tye's proposed solution to a problem for his theory – which involves a robot that mimics another (unseen) robot – fails. Finally I show that his `variability' requirement is not necessary, because there are cases where someone can see an object even though the variability that Tye requires doesnot exist.     

Perceptual reasons

The two main theories of perceptual reasons in contemporary epistemology can be called Phenomenalism and Factualism. According to Phenomenalism, perceptual reasons are facts about experiences conceived of as phenomenal states, i.e., states individuated by phenomenal character, by what it’s like to be in them. According to Factualism, perceptual reasons are instead facts about the external objects perceived. The main problem with Factualism is that it struggles with bad cases: cases where perceived objects are not what they appear (illusions, broadly speaking) or where there is no perceived object at all (hallucinations). The main problem with Phenomenalism is that it struggles with good cases: cases where everything is perfectly normal and the external object is correctly perceived, so that one’s perceptual beliefs are knowledge. In this paper we show that there is a theory of perceptual reasons that avoids the problems for Factualism and Phenomenalism. We call this view Propositionalism. We use ‘proposition’ broadly to mean the entities that are contents of beliefs and other doxastic attitudes. The key to finding a middle ground between Phenomenalism and Factualism, we claim, is to allow our reasons to be false in bad cases. Despite being false, they are about the external world, not our phenomenal states.     

Trivalent Semantics and the Vaguely Vague

Michael Tye responds to the problem of higher-order vagueness for his trivalent semantics by maintaining that truth-value predicates are “vaguely vague”: it’s indeterminate, on his view, whether they have borderline cases and therefore indeterminate whether every sentence is true, false, or indefinite. Rosanna Keefe objects (1) that Tye’s argument for this claim tacitly assumes that every sentence is true, false, or indefinite, and (2) that the conclusion is any case not viable. I argue – contra (1) – that Tye’s argument needn’t make that assumption. A version of her objection is in fact better directed against other arguments Tye advances, though Tye can absorb this criticism without abandoning his position’s core. On the other hand, Keefe’s second objection does hit the mark: embracing ‘vaguely vague’ truth-value predicates undermines Tye’s ability to support validity claims needed to defend his position. To see this, however, we must develop Keefe’s remarks further than she does.     

Epistemic Warrants and Higher‐Order Theories of Conscious Perception

We present a new account of perceptual consciousness, one which gives due weight to the epistemic commitment of normal perception in familiar circumstances. The account is given in terms of a higher‐order attitude for which the subject has an immediate perceptual epistemic warrant in the form of an appropriate first‐order perception. We develop our account in contrast to Rosenthal's higher‐order account, rejecting his view of consciousness in virtue of so‐called ‘targetless’ higher‐order states. We explain the key notion of an immediate perceptual warrant and show both that it requires the content of the higher‐order attitude to match that of the first‐order perception, and also that it gives a new perspective on the intimate relationship, rightly emphasised by Rosenthal, between consciousness and a subject's testimony as to ‘how it is with her’.     

Polger on the Illusion of Contingent Identity

Abstract

Thomas Polger has argued in favour of the mind–brain type‐identity theory, the view that mental states or processes are type‐identical to states of the central nervous system. Acknowledging that the type‐materialist must respond to Kripke’s modal anti‐materialist argument, Polger insists that Kripke’s argument rests on dubious assumptions concerning the identity conditions of brain states. In brief, Polger claims that one knows that x and y are non‐identical when one knows the identity conditions for both x and y. Replace x and y with ‘brain states’ and ‘sensations’ and it follows that one can know that brain states and sensations are non‐identical only if one knows the identity conditions for brain states. But according to Polger, we do not know the identity conditions for brain states. Hence, we should not be so confident that brain states and sensations are non‐identical after all. But Polger’s account is terribly flawed. Ironically, if Polger’s scepticism is warranted, then Polger himself has no good reasons to be a type‐materialist. But more importantly, Polger’s scepticism regarding the identity conditions of brain states is deeply defective. We do, I submit, understand the identity conditions of brain states. In the end, I submit, Kripke is safe from Polger.     

ON THE LOOKS OF THINGS

In recent publications, Michael Tye and Alva Noë have claimed that there is a sense in which a tilted plate looks round and another sense in which it looks elliptical. This paper argues that their proposal faces decisive objections. On Tye and Noë's account of ordinary, veridical perception, appearances are in constant conflict. As a characterization of ordinary visual experience, this cannot be correct. I examine various responses to this criticism, and conclude that they all fail. I then argue that Noë's account has the further, unintended and undesirable consequence of promoting a version of the sense‐datum theory.     

Sellars,concepts and conceptual change

Much discussion in recent philosophy of science assumes an holistic view of conceptual systems without providing any analysis of the nature of such systems. For several decades, however, Sellars has been attempting to develop and defend such a view. In this paper I examine Sellars' version of an holistic theory of concepts, discuss some of the objections to this view, and consider what insight Sellars' analysis can provide for problems concerning the introduction of new scientific concepts, and the nature of conceptual change in science.I want to thank Peter Barker, Gary Gutting, Paul Teller, Michael Tye, and especially Richard Burian, for comments on earlier versions of this paper.     

There is No <Emphasis Type="Italic">Simpliciter Simpliciter</Emphasis>

This paper identifies problems with indexicalism and abverbialism about temporary intrinsic properties, and solves them by disentangling two senses in which a particular may possess a property simpliciter. The first sense is the one identified by adverbialists in which a particular possesses at all times the property as a matter of foundational metaphysical fact regardless of whether it is manifest. The second involves building on adverbialism to produce a semantics for property-manifestation according to which different members of a family of second-order properties of the foundational property are relevant to property manifestation at different times.