An important philosophical issue in the study of addiction is what difference the fact that a person is addicted makes to attributions of autonomy (and responsibility) to their drug-oriented behavior. In spite of accumulating evidence suggesting the role of emotional dysregulation in understanding addiction, it has received surprisingly little attention in the debate about this issue. I claim that, as a result, an important aspect of the autonomy impairment of many addicted individuals has been largely overlooked. A widely shared assumption (...) in the philosophical literature is that for addiction to impair a person’s autonomy it has to make them (in some sense) take drugs against their will. So-called “willing addicts” are therefore usually seen as exempted from the autonomy impairment believed to characterize “unwilling addicts”, the latter being those who ‘truly want’ to stop using drugs but find their attempts repeatedly derailed by failures of self-control. In this article, I argue that the association between addiction and emotional dysregulation shows why this assumption is false. Emotional dysregulation is not only consistent with the possibility that many addicts take drugs ‘willingly’, it supports the hypothesis that they use drugs because they truly want to. The article proposes an explanation for why emotional dysregulation should nevertheless be seen as an aspect of their loss of control and an important reason why they have impaired autonomy. I end by exploring some implications of this account for addict’s decision-making capacity when they are prescribed the drugs to which they are addicted. -/- . (shrink)

Normative thinking about addiction has traditionally been divided between, on the one hand, a medical model which sees addiction as a disease characterized by compulsive and relapsing drug use over which the addict has little or no control and, on the other, a moral model which sees addiction as a choice characterized by voluntary behaviour under the control of the addict. Proponents of the former appeal to evidence showing that regular consumption of drugs causes persistent changes in the brain structures (...) and functions known to be involved in the motivation of behavior. On this evidence, it is often concluded that becoming addicted involves a transition from voluntary, chosen drug use to non-voluntary compulsive drug use. Against this view, proponents of the moral model provide ample evidence that addictive drug use involves voluntary chosen behaviour. In this paper we argue that although they are right about something, both views are mistaken. We present a third model that neither rules out the view of addictive drug use as compulsive, nor that it involves voluntary chosen behavior. -/- . (shrink)

Does addiction to heroin undermine the voluntariness of heroin addicts' consent to take part in research which involves giving them free and legal heroin? This question has been raised in connection with research into the effectiveness of heroin prescription as a way of treating dependent heroin users. Participants in such research are required to give their informed consent to take part. Louis C. Charland has argued that we should not presume that heroin addicts are competent to do this since heroin (...) addiction by nature involves a loss of ability to resist the desire for heroin. In this article, I argue that Charland is right that we should not presume that heroin addicts are competent to consent, but not for the reason he thinks. In fact, as Charland's critics correctly point out, there is plenty of evidence showing that heroin addicts can resist their desire for heroin. These critics are wrong, however, to conclude from this that we should presume that heroin addicts are competent to give their voluntary consent. There are, I shall argue, other conditions associated with heroin addiction that might constrain heroin addicts' choice in ways likely to undermine the voluntariness of their consent. In order to see this, we need to move beyond the focus on the addicts' desires for heroin and instead consider the wider social and psychological circumstances of heroin addiction, as well as the effects these circumstances may have on the addicts' beliefs about the nature of their options. (shrink)

What is self-control and how does the concept of self-control relate to the notion of will-power? A widespread philosophical opinion has been that the notion of will-power does not add anything beyond what can be said using other motivational notions, such as strength of desire and intention. One exception is Richard Holton who, inspired by recent research in social psychology, has argued that will-power is a separate faculty needed for persisting in one's resolutions, what he calls 'strength of will'. However, (...) he distinguishes strength of will from self-control. In this paper I argue that will-power is essential also to a certain form of self-control. I support this claim by arguments showing that the traditional philosophical accounts of self-control run into difficulties because they pay insufficient attention to will-power as an independent source of motivation. (shrink)

This paper develops the conceptual framework of ’sex contextualism’ for the study of sex-related variables in biomedical research. Sex contextualism offers an alternative to binary sex essentialist approaches to the study of sex as a biological variable. Specifically, sex contextualism recognizes the pluralism and context-specificity of operationalizations of ’sex’ across experimental laboratory research. In light of recent policy mandates to consider sex as a biological variable, sex contextualism offers constructive guidance to biomedical researchers for attending to sex-related biological variation. As (...) an alternative to and critique of biological binary sex essentialism, sex contextualism contributes to current debates in philosophy of biology, feminist science studies, and social ontology on the construction of categories of gender/sex differences in scientific research. (shrink)

Impairment of self-control is often said to be a defining feature of addiction. Yet many addicts display what appears to be a considerable amount of control over their drug-oriented actions. Not only are their actions clearly intentional and frequently carried out in a conscious and deliberate manner, there is evidence that many addicts are responsive to a wide range of ordinary incentives and counter-incentives. Moreover, addicts have a wide variety of reasons for using drugs, reasons which often seem to go (...) a long way towards explaining their drug-oriented behavior. Many use drugs, for example, to cope with stressful or traumatic experiences. In this article I argue that some standard philosophical explanations of addicts’ impairment of self-control are inadequate, and propose an alternative. (shrink)

In his target article and recent interesting book about addiction and the brain, Marc Lewis claims that the prevalent medical view of addiction as a brain disease or a disorder, is mistaken. In this commentary we critically examine his arguments for this claim. We find these arguments to rest on some problematical and largely undefended assumptions about notions of disease, disorder and the demarcation between them and good health. Even if addiction does seem to differ from some typical brain diseases, (...) we believe contrary to Lewis, that there are still good reasons to maintain its classification as a mental or behavioral disorder. (shrink)

These lectures are the first extensive application of Husserl's newly developed genetic phenomenology to perceptual experience & to the way in which it is connected to judgments & cognition. Students of phenomenology will find this work indispensable.

How should addictive behavior be explained? In terms of neurobiological illness and compulsion, or as a choice made freely, even rationally, in the face of harmful social or psychological circumstances? Some of the disagreement between proponents of the prevailing medical models and choice models in the science of addiction centres on the notion of “loss of control” as a normative characterization of addiction. In this article I examine two of the standard interpretations of loss of control in addiction, one according (...) to which addicts have lost free will, the other according to which their will is weak. I argue that both interpretations are mistaken and propose therefore an alternative based on a dual-process approach. This alternative neither rules out a capacity in addicts to rationally choose to engage in drug-oriented behavior, nor the possibility that addictive behavior can be compulsive and depend upon harmful changes in their brains caused by the regular use of drugs. (shrink)

Deliberation incompatibilism is the view that an agent being rational and deliberating about which of (mutually excluding) actions to perform, is incompatible with her believing that there exist prior conditions that render impossible the performance of either one of these actions. However, the main argument for this view, associated most prominently with Peter van Inwagen, appears to have been widely rejected by contemporary authors on free will. In this paper I argue first that a closer examination of van Inwagen's argument (...) shows that the standard objections are based on a misunderstanding of the notion of ‘deliberation’ presupposed in this argument. Second, I attempt to strengthen the case for deliberation incompatibilism by offering a different argument in its support. (shrink)

There have been different interpretations of satisficing rationality. A common view is that it is sometimes rationally permitted to choose an option one judges is good enough even when one does not know that it is the best option. But there is available a more radical view of satisficing. On this view, it is rationally permitted to choose an option one judges is good enough even when a better option is known to be available. In this paper I distinguish between (...) two possible interpretations of ‘genuine’ satisficing, a de re and a de dicto interpretation. I then argue that while de re genuine satisficing is always irrational, de dicto genuine satisficing might be rationally permissible. In fact, de dicto genuine satisficing does not appear to be covered by existing accounts of satisficing behaviour. (shrink)

The problem of weakness of the will is often thought to arise because of an assumption that freely, deliberately and intentionally doing something must correspond to the agent's positive evaluation of doing that thing. In contemporary philosophy, a very common response to the problem of weakness has been to adopt the view that free, deliberate action does not need to correspond to any positive evaluation at all. Much of the support for this view has come from the difficulties the denial (...) of it has been thought to give rise to, both with respect to giving an account of weakness, as well as explaining the future-directed nature of intentions. In this paper I argue that most of these difficulties only arise for one particular version of the view that free, deliberate action must correspond to a positive evaluation, a version associated with Donald Davidson's account of weakness. However, another version of this view is possible, and I argue that it escapes the standard objections to the Davidsonian account. (shrink)

In an earlier article in this journal I argued that the question of whether heroin addicts can give voluntary consent to take part in research which involves giving them a choice of free heroin does not – in contrast with a common assumption in the bioethics literature – depend exclusively on whether or not they possess the capacity to resist their desire for heroin. In some cases, circumstances and beliefs might undermine the voluntariness of the choices a person makes even (...) if they do possess a capacity for self-control. Based on what I took to be a plausible definition of voluntariness, I argued that the circumstances and beliefs typical of many vulnerable heroin addicts are such that we have good reasons to suspect they cannot give voluntary consent to take part in such research, even assuming their desire for heroin is not irresistible. In a recent article in this journal, Uusitalo and Broers object to this on the grounds that I misdescribe heroin addicts' options set, that the definition of voluntariness on which I rely is unrealistic and too demanding, and, more generally, that my view of heroin addiction is flawed. I think their arguments derive from a misunderstanding of the view I expressed in my article. In what follows I hope therefore to clarify my position. (shrink)

Some authors have argued that, in order to give an account of weakness of the will, we must assume that the mind is divisible into parts. This claim is often referred to as the partitioning claim. There appear to be two main arguments for this claim. While the first is conceptual and claims that the notion of divisibility is entailed by the notion of non-rational mental causation (which is held to be a necessary condition of weakness of the will), the (...) second is explanatory and claims that the notion of divisibility is required for the causal explanation of weak-willed action. In this paper I want to argue that the partitioning claim remains unsupported, no matter how it is interpreted, and that weakness of the will can be made perfectly good sense of without the idea that the mind is divisible into parts. In fact, there are available various explanatory models each of which characterizes different psychological mechanisms that may be involved in weakness of will, none of which depends on any claims about mental division. I describe three familiar mechanisms and argue that weakness of will may occur as the result of any one of them. (shrink)

Providing heroin to heroin addicts taking part in medical trials to assess the effectiveness of the drug as a treatment alternative, breaches ethical research standards, some ethicists maintain. Heroin addicts, they say, are unable to consent voluntarily to take part in these trials. Other ethicists disagree. In our view, both sides of the debate have an inadequate understanding of voluntariness. In this article we therefore offer a fuller conception, one which allows for a more flexible, case-to-case approach in which some (...) heroin addicts are considered capable of consenting voluntarily, others not. An advantage of this approach, it is argued, is that it provides a safety net to minimize the risk of inflicting harm on trial participants. (shrink)

A familiar objection to restrictive consequentialism is that a restrictive consequentialist is incapable of having true friendships. In this paper I distinguish between an instrumentalist and a non-instrumentalist version of this objection and argue that while the restrictive consequentialist can answer the non-instrumentalist version, restrictive consequentialism may still seem vulnerable to the instrumentalist version. I then suggest a consequentialist reply that I argue also works against this version of the objection. Central to this reply is the claim that a restrictive (...) consequentialist is capable of true friendship if the value she aims for is not merely seen as a function of her self-regarding desires, but includes as a central constituent a form of objective value often referred to as 'flourishing' or 'self-realization'. (shrink)

Suppose an agent has made a judgement of the form, 'all things considered, it would be better for me to do a rather than b (or any range of alternatives to doing a)' where a and b stand for particular actions. If she does not act upon her judgement in these circumstances would that be a failure of rationality on her part? In this paper I consider two different interpretations of all things considered judgements which give different answers to this (...) question, one suggested by Donald Davidson, the other by Paul Grice and Judith Baker. I argue that neither interpretation is adequate. However, a third interpretation that combines features of the Grice/Baker view with the Davidsonian view is possible. In the final section of the paper I defend this interpretation against two objections. (shrink)

This study aims to develop and defend an account of practical rationality and intention that explains how weakness of the will is conceptually possible. I first present two sceptical arguments against the possibility of weakness and then distinguish two different responses to scepticism that defends its possibility. Both sceptical arguments are motivated by what many have believed is an analogy between theoretical and practical reasoning. This analogy holds that the conclusion of practical reasoning is an intention just as the conclusion (...) of theoretical reasoning is a belief. The particular version held by what I call the Socratic theorists claims, in addition, that the value of desirability is transferred from premisses to conclusion in practical reasoning, just as probability is transferred from premisses to conclusion in theoretical reasoning. One example of an author who takes the analogy as a basic premise and seek to explain how weakness of the will still may be possible, is Donald Davidson. Critics of Davidson object that the the kinds of difficulties that his account runs into shows that the Socratic version of the analogy must be false; not only is this account phenomenologically implausible, it also exaggerates the degree of irrationality of the weak agent. In this study I suggest the possibility of a weaker version of the Davidsonian account. The main source of difficulty for the Davidsonian account, I argue, may not be its reliance on the Socratic version of the analogy between practical and theoretical reasoning, but rather its particular understanding of this analogy in terms of an analogy between practical and inductive-statistical reasoning. This understanding may lead one to accept too “rationalistic” a picture of the reasoning processes behind weakness of the will which, in effect, may make the account vulnerable to objections that it is phenomenologically implausible and exaggerates the irrationality of the weak agent. The weaker version of the Davidsonian account that I propose, ties in the account of weakness with the notions of “satisficing” and “default reasoning”. Although it preserves the central idea of the stronger version that intentions are unconditional evaluative judgements, it proposes a different view of the contents of these judgements, as well as of the reasoning process that lie behind them. It is not difficult to motivate this weaker view: given our human finitary predicament, both satisficing and default reasoning seem to be likely results of an optimal trade-off between the speed and reliability of our computational processes. The question is how these notions may shape the concepts we use to understand weakness of the will. I argue that if we modify the account usually ascribed to Davidson in the light of these notions, the result is a less rationalistic picture of weakness of the will. The gains are more phenomenological credibility as well as a less extreme view of the degree of irrationality involved. (shrink)

In the history of Indo-European peoples warriors were known to possess characteristic physical and ethical features which went together with special social status. This is undoubtedly true of ancient Greeks. According to Homer characters who made heroic feats depicted in his books had moulded their personality in accordance with requirements of arete and battle was the best means to achieve this end, even though particular ways of obtaining it were heavily affected by subjective considerations. The individualism of the epic heroes (...) can best be seen in the freedom they enjoyed to choose any method of fighting that suited them at the moment. The highest credit, however, was given for the fortitude displayed in a duel monomachia, which often awarded the warrior with eternal fame. But in exceptional circumstances the heroes resorted to guiles mētis or ambushes dolos. We have no ground to believe, therefore, that any kind of „chivalry code” was observed at that time. (shrink)

At the center of medical morality is the healing relationship. It is defined by three phenomena: the fact of illness, the act of profession, and the act of medicine. The first puts the patient in a vulnerable and dependent position; it results in an unequal relationship. The second implies a promise to help. The third involves those actions that will lead to a medically competent healing decision. But it must also be good for the patient in the fullest possible sense. (...) The physician cannot fully heal without giving the patient an understanding of alternatives such that he or she can freely arrive—together with the physician—at a decision in keeping with his or her personal morality and values. In today's pluralistic society, universal agreement on moral issues between physicians and patients is no longer possible. Nevertheless, a reconstruction of professional ethics based on a new appreciation of what makes for a true healing relationship between patient and physician is both possible and necessary. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:President’s Council on BioethicsEdmund D. Pellegrino (bio) and F. Daniel Davis (bio)Approximately two weeks before what was to have been its final meeting, the White House dissolved the President’s Council on Bioethics by terminating the appointments of its 18 members. The letters of dismissal, dated 10 June 2009, informed the members that their service on the Council would end with the close of business the next day.The Council’s term (...) was set to expire on 30 September 2009. After President Obama’s election in November and during the transition, we were advised to proceed on the assumption that the Council would be permitted to cease on that date. Reasons for the abrupt move to disband the Council are unknown. We have accepted the fact that we Council members served at the pleasure of the President and that he simply exercised his rightful prerogative. No explanation is therefore required.Some observers have speculated that the action was retaliatory. They related to the fact that several members of the Council disagreed with the President’s stem cell policy in a signed statement published in the Hastings Center’s Bioethics Forum. Others have speculated that the move was pre-emptive. At its final meeting, scheduled for 25–26 June, the Council was set to sign-off on two of its final publications. One was a comprehensive report on the ethics of organ transplantation, and the other a white paper entitled Health Care and the Common Good. The aim was immediately to release the latter as a contribution to the intensifying debate about health care reform. Health Care and the Common Good could well have aided rather than impeded the President’s drive to better control health care costs and achieve universal coverage. The Council report attempted to ground both goals in the ethical framework of, as the title indicates, the common good of all Americans.In his letter terminating the members’ appointments, Assistant to the President for Presidential Personnel Don Gips said that the President “recognizes the values of having a commission of experts in bioethical issues to provide objective and non-ideological bioethics advice to his administration.” Gips went on to say that the President is “currently rethinking the purposes and goals of such a bioethics commission, and is carefully considering a revitalized mission and mandate.” And, [End Page 309] responding to media enquiries, White House press officer Reid Cherlin explained that the President’s Council was terminated because it was a “philosophically leaning advisory group” and, according to a New York Times account by Nicholas Wade, “because it favored discussion over developing a shared consensus.” As for the ultimate outcome of the President’s “rethinking,” Cherlin indicated that President Obama will appoint a new commission with the mandate of offering “practical policy options” in bioethics.In the light of our experiences with the Council, we leave it with hopes that certain questions of national importance will be addressed. In light of the nature of federal advisory commissions, what is or are the proper roles of a national bioethics commission? If the aim is to provide advice and counsel to the President or, perhaps to the U. S. Congress, is that advice best rendered as a group consensus or as an in-depth exploration of the inevitably conflicting ethical perspectives on a given issue? How should such a commission be constituted—with what sorts of individuals? And what is the nature of the expertise that they individually and collectively bring to the commission’s functions? If the commission is to promote public debate and discussion, how exactly should it go about that task? And how is the efficacy of a commission to be assessed? Such questions inevitably lead us deep into contested territory, as the experience of this Council has shown: into the intersections of politics, religion, and science and into the relations between practice and theory—between policy and what some seem to deride as “philosophy.” Indeed, policy without an underlying philosophy is an edifice without a foundation; philosophy without policy is a foundation without an edifice.At the last meeting of the Council in March 2009, we launched a discussion of these questions with the... (shrink)

Dualistische Ansichten über den Menschen galten bis vor kurzem als veraltet oder gar als tot. In neuester Zeit sind sie aber von namhaften Philosophen zu neuem Leben erweckt worden. Warum vertreten sie dualistische Positionen? War Platon Dualist? Brauchte Aristoteles einen Dualismus? Müssen Christen, die an die Auferstehung glauben, den Menschen dualistisch deuten? Gibt es eine aristotelische Mittelposition zwischen Naturalismus und Dualismus? Teilen Naturalisten und Dualisten ein problematisches Körperverständnis? Antworten auf diese Fragen finden Sie in den Beiträgen des vorliegenden Buches. Mit (...) Beiträgen von Eleonore Stump, Richard Swinburne, Uwe Meixner, Edmund Runggaldier, Bruno Niederbacher, Josef Quitterer, Anselm Winfried Müller, Michael Bordt, Uwe Voigt, Marianne Schark, Michael-Thomas Liske. (shrink)

The bioethics of four principles, named as principlism, began in 1979 with the work of Principles of Biomedical Ethics by Tom Beauchamp and James F. Childress and has been widely criticized since the 80s. In recent years four rival approaches towards principlism have been specified in this critique. These include: a) impartial rule theory, developed by K. Danner Clouser; b) casuistry, represented by Albert Jensen, and c) virtue ethics, developed by Edmund D. Pellegrino. The critique of principlism presented by (...) K. Danner Clouser, Bernard Gert was not only defended by T. Beauchamp and J.F. Childress themselves, but also by others, including B. Andrew Lustig, David DeGrazia, and Henry Richardson. The discussion has not weakened but continued till the present time. It was presented extensively in the June issue of The Journal of Medicine and Philosophy. We want to join the discussion from the position of personalistic bioethics. (shrink)

This response to Kevin WildesÕs article in the previous issue of the Kennedy Institute of Ethics Journal addresses several major points of disagreement between Pellegrino and Wildes regarding the nature and scope of a philosophy of medicine, in particular how it is derived and by what method of philosophical enquiry it is best pursued.

The Daodejing encapsulates the main tenets of Daoism, a philosophy and religion whose dominant image is the Way, a life-giving stream that enables individuals to achieve harmony and a more profound level of understanding. This new translation draws on the latest archaeological finds and brings out the word play and poetry of the original.

During the Cold War, political thinkers in the West debated the balance between the requirements of liberal democracy and national security. This debate is relevant to East Asia and especially to Korea, where an ideological-military standoff between a democracy and a totalitarian system persists. The thinkers often identified as "Cold War liberals"--Isaiah Berlin, Karl Popper, Raymond Aron, Friedrich Hayek, and Michael Oakeshott--are worth revisiting in this context. Of these, Oakeshott is the least well understood in East Asia and therefore particularly (...) deserving of attention. His ideas about the limits of rationalism in politics, the irrelevance of conventional views of liberalism and conservatism, how constitutional democracy should be defined, and how it can be defended against various forms of anti-liberal politics are especially valuable. In this book, leading Oakeshott scholars from around the world explore these ideas and their implications for East Asia in ten illuminating and readable essays. (shrink)

,Etwa zwei Monate vor dem Tode sagte Husserl:,Man solle seine Vergangenheit nicht trivialisieren. ' "1 Die Herausforderung dieser Worte lieB sich nur schwer abschatzen, als ich dem Stifter des Husserl-Archivs, meinem Freund Pater Van Breda, im Januar I974- zwei Monate vor seinem unzeitigen Hingang- den von ihm so sehr begruBten und geforderten EntschluB, eine Husserl-Bio­ graphie zu schreiben, naher erlauterte. Mancherlei ware darin ein­ zubringen gewesen: Ubersicht uber die Geschicke des Bismarck­ Staates und das aufkommende Hitler-Reich, Vertrautheit mit Stifter und (...) Hofmannsthal, Kenntnis der Theorie mathematischer Funktionen wie der Psychologie der Wurzburger Schule, Einsicht in die Einfuhlungslehre von Lipps wie auch Heideggers Seins­ frage. Aber solche Absicht erwies sich hauptsachlich deswegen als undurchfiihrbar, weil es derzeit noch am Notigsten fehlt: an einer verlaBlichen Durcharbeitung von Husserls Denken und seiner Entwicklung, wie sie sich in den veroffentlichten Werken, vor al­ lem aber im Meer bewahrter Manuskripte niederschlug. Hier galt es, da viel bisher im Dunkeln liegt, die Materialien zu einer Bio­ graphie erst einmal bereitzustellen und, wenn auch oft nur um­ riBhaft, fur die Zukunft sicherzustellen. Ergebnis dieser Beschei­ dung ist die vorliegende Chronik. GewiB, Husserl ware selbst der befugteste interpres sui gewe­ sen. Doch was er unterm 20. Juni rg2r an den Meiner Verlag schrieb - der,Stand seiner Lebensarbeit" erlaube es ihm zur Zeit nicht, zu der in diesem Verlag erscheinenden Reihe von Selbstdarstellungen einen Beitrag zu liefern (F I r8/r + 25) -, galt, wie gerade unsere Chronik deutlich macht, fur ihn zeitlebens. (shrink)

Our first encounter with Socrates in the Symposium is bizarre. Aristodemus, surprised to run into Socrates fully bathed and with his sandals on, asks him where he is going “to have made himself so beautiful (kalos)” (174a4, Rowe trans.). Socrates replies that he is on his way to see the lovely Agathon, and so that “he has beautified himself in these ways in order to go, a beauty to a beauty (kalos para kalon)” (174a7–8). Why does Socrates, who in just (...) a few moments will be lost in contemplation out on the front porch, care about being beautiful? His remark to Aristodemus is clearly in some sense ironic, but on the other hand, he really has taken unusual care with his physical appearance. Later, in his encomium to love, he will claim that beauty has this effect on lovers: the beauty of the beloved causes the lover to disdain his former way of life and “give birth” to beautiful “offspring.” Is the image of the squat and snub-nosed Socrates all freshly scrubbed and kitted out a comic foreshadowing, or a debunking, of his serious speech? Does Socrates really believe in the transformative power of beauty? (shrink)

The equation for the fundamental field quantity ϱ is obtained. It is Div $\rho ^\mu (\Omega _1 ) = \operatorname{h} \int {[\rho _\mu (\Omega _1 ),\rho ^\mu (\Omega _2 )]_ - \operatorname{d} \Omega _2 } $ ,where h is an arbitrary function oft andr, and [,]− is the commutator. The derivation requires the following hypotheses:(1) All of physical reality is completely described by the field ϱ.(2) Relativistic covariance of the equations governing ϱ.(3) Principle of continguous action.(4) Conservation of total amount (...) of ϱ. The equation appears to be unique. It is suggested that the physical world corresponds to ϱ being a2×2 matrix. A close correspondence between the basic equation and Maxwell's equation is displayed. The electromagnetic vector potential Aμ is identified with ε ρμ dΩ. Conservation laws on various measures of ϱ are obtained. The symmetry groups of the basic equation are derived. A preliminary attempt to connect the field ϱ to the metric is made via Einstein's gravitational equation Gμυ =KTμυ. (shrink)

The Lorentz transformation is derived without assuming that the velocity of light is a constant. This suggests that the constantc which appears in the transformation has a deeper significance than heretofore commonly assumed. It is hypothesized that there exists, in all of physical reality, velocities of only one magnitude. The magnitude isc, the speed of light in vacuum. This hypothesis forces us to view a fundamental particle as an extended object and matter in general as a field ρ(t, r, θ), (...) which we give the generic name “stuff.” An important feature of the ρ field is that at each spacetime point(t, r) stuff travels in all directions θ with speedc. In order to elucidate the nature of ρ(t, r, θ), the equations determining ρ for a one-dimensional world are derived and solved. Fundamental particles are shown to exist and their structure is obtained. (shrink)