Empirical evidence advancing the theory of anthropogenic climate change and resultant policy action has been framed through the perspectives of scientists, economists and politicians; the ultimate objective being to minimise the risk of dangerous climate change through the reduction of GHG emissions. However, policies designed to reduce carbon pollution have utilised cost benefit analysis , largely ignoring ethical implications of such actions. This has resulted in a climate debate that sidelines the moral and social considerations of the suggested actions designed (...) to reduce the impact of dangerous climate change. Special interest groups have focussed on subjective interpretations of objective statistics, resulting in an extreme polarisation of viewpoints, pitting climate change deniers against politico-economic rationalists, with climate scientists largely sitting on the sidelines. There has, however, been a recent shift in the science of climate change acknowledging that, “many profound ethical questions are hidden in scientific and economic arguments about various climate change policy proposals” ‘White Paper on the Ethical Dimensions of Climate Change’, Rock Ethics Institute, Penn State University). We wish to promote an inter-disciplinary approach to the ethical considerations of climate change and situate the debate within a ‘real world’ context to enable people to link evidence and resultant policy to their own moral responsibility as ‘global citizens’. By placing reliable scientific information within a holistic framework, scientific outcomes with a high level of certainty may be conveyed within a wider perspective that includes ethical and social considerations, resulting in a stronger claim for practical outcomes with respect to climate change solutions. This can be used to support policies that are practical as well as moral. (shrink)

BackgroundSocio-cultural perceptions surrounding death have profoundly changed since the 1950s with development of modern intensive care and progress in solid organ transplantation. Despite broad support for organ transplantation, many fundamental concepts and practices including brain death, organ donation after circulatory death, and some antemortem interventions to prepare for transplantation continue to be challenged. Attitudes toward the ethical issues surrounding death and organ donation may influence support for and participation in organ donation but differences between and among diverse populations have not (...) been studied.ObjectivesIn order to clarify attitudes toward brain death, organ donation after circulatory death and antemortem interventions in the context of organ donation, we conducted a scoping review of international English-language quantitative surveys in various populations.Study appraisalA search of literature up to October 2020 was performed, using multiple databases. After screening, 45 studies were found to meet pre-specified inclusion criteria.Results32 studies examined attitudes to brain death, predominantly in healthcare professionals. In most, around 75% of respondents accepted brain death as equivalent to death of the person. Less common perspectives included equating death with irreversible coma and willingness to undertake organ donation even if it caused death. 14 studies examined attitudes to organ donation following circulatory death. Around half of respondents in most studies accepted that death could be confidently diagnosed after only 5 min of cardiorespiratory arrest. The predominant reason was lack of confidence in doctors or diagnostic procedures. Only 6 studies examined attitudes towards antemortem interventions in prospective organ donors. Most respondents supported minimally invasive procedures and only where specific consent was obtained.ConclusionsOur review suggests a considerable proportion of people, including healthcare professionals, have doubts about the medical and ethical validity of modern determinations of death. The prognosis of brain injury was a more common concern in the context of organ donation decision-making than certainty of death. (shrink)

Research in ethical decision making has consistently demonstrated a positive relationship between others’ unethical behavior and observers’ unethical behavior, providing support for the “Monkey See, Monkey Do” perspective (e.g., Robinson and O’Leary-Kelly, Acad Manage J 41:658–672, 1998 ). However, the boundaries of this relationship have received little research attention. Guided by theory and research in interpersonal distancing, we explore these boundaries by proposing and examining “moral differentiation,” the set of individual and situational characteristics that affect the degree to which one (...) is willing to be influenced by others’ unethical behavior. Using data from 655 undergraduate business students in two U.S. universities, we test moderating hypotheses regarding the influence of moral differentiation characteristics on the relationship between others’ unethical behavior and observers’ unethical behavior. Results suggest that strong moral identity, low need for affiliation, and extraversion weaken the relationship between others’ unethical behavior and observers’ unethical behavior. Implications for managers and future research are discussed. (shrink)

Marshall and O’Leary’s thoughtful response to our article suggests that dismissal policies are ethically justifiable because they might induce parents to immunize their children. This outcome is conceivable, but we have only anecdotes about how often it occurs. Such evidence became the thin reed on which the American Academy of Pediatrics rested its new policy of tolerating the practice of dismissing vaccine-hesitant parents. It seems likely that relatively few parents would agree to vaccinate because they were threatened with dismissal. Other (...) heavy-handed interventions have failed to move most such parents. When Washington state made nonmedical exemptions more difficult to obtain, nearly two-thirds of vaccine refusers were unmoved and their children remained unvaccinated. Even if dismissal threats led some parents to accept vaccines, this alone would not justify a dismissal policy. The benefits would still have to be weighed against the risks of dismissing those families who do not change their minds. (shrink)

Introduction: Philosophy in Mind / Michaelis Michael and John O’Leary-Hawthorne -- AI and the Synthetic A Priori / Jose Benardete -- Armchair Metaphysics /Frank Jackson -- Doubts About Conceptual Analysis /Gilbert Harman -- Deflationary Self-Knowledge / Andre Gallois -- How to Get to Know One’s Own Mind: Some Simple Ways / Annette Baier -- Psychology in Perspective / Huw Price -- Can Philosophy of Language Provide the Key to the Foundations of Ethics? /Karl-Otto Apel --Unprincipled Decisions / Lee Overton (...) -- Philosophy and Commonsense: The Case of Weakness of Will / Jeanette Kennett and Michael Smith -- Reasoning and Representing / Robert Brandom -- The Problem of Consciousness / John Searle -- Godel’s Theorem and the Mind... Again / Graham Priest -- Epistemology and the Diet Revolution / Gilbert Harman -- Truth-Aptness and Belief / John O’Leary-Hawthorne -- Cubism, Perspective, Belief / Michaelis Michael. Objectivity and Modern Idealism: What is The Question? / Gideon Rosen. (shrink)

Increasingly, the mind is being treated as a fit subject for scientific inquiry. As cognitive science and empirical psychology strive to uncover the mind's secrets, it is fitting to inquire as to what distinctive role is left for philosophy in the study of mind. This collection, which includes contributions by some of the leading scholars in the field, offers a rich variety of perspectives on this issue. Topics addressed include: the place of a priori inquiry in philosophy of mind, moral (...) psychology, consciousness, social dimensions of intentionality, the relation of logic to philosophical psychology, objectivity and the mind, and privileged access. (shrink)

The current study examined the effects of cardiorespiratory fitness, identified with a continuous graded cycle ergometry, and aerobic exercise on cognitive functioning and entropy of the electroencephalogram (EEG) in 30 adolescents between the ages of 13 and 14 years. Higher and lower fit participants performed an executive function task after a bout of acute exercise and after rest while watching a film. EEG entropy, using the sample entropy measure, was repeatedly measured during the 1500ms post-stimulus interval to evaluate changes in (...) entropy over time. Analysis of the behavioural data for lower and higher fit groups revealed an interaction between fitness levels and acute physical exercise. Notably, lower fit, but not higher fit, participants had higher error rates for NoGo relative to Go trials in the rest condition, whereas in the acute exercise condition there were no differences in error rates between groups; higher fit participants also had significantly faster reaction times in the exercise condition in comparison with the rest condition. Analysis of EEG data revealed that higher fit participants demonstrated lower entropy post-stimulus than lower fit participants in the left frontal hemisphere, possibly indicating increased efficiency of early stage stimulus processing and more efficient allocation of cognitive resources to the task demands. The results suggest that EEG entropy is sensitive to stimulus processing demands and varies as a function of physical fitness levels, but not acute exercise. Physical fitness, in turn, may enhance cognition in adolescence by facilitating higher functionality of the attentional system in the context of lower levels of frontal EEG entropy. (shrink)

(1996). Compatibilist semantics in metaphysics: A case study. Australasian Journal of Philosophy: Vol. 74, No. 1, pp. 117-134. doi: 10.1080/00048409612347101.

The need to address our question arises from two sources, one in Kant and the other in a certain type of response to so-called Reformed epistemology. The first source consists in a tendency to distinguish theoretical beliefs from practical beliefs , and to treat theistic belief as mere practical belief. We trace this tendency in Kant's corpus, and compare and contrast it with Aquinas's view and a more conservative Kantian view. We reject the theistic-belief-as-mere-practical-belief view: it is bad descriptive anthropology, (...) it embraces a misguided ideal of a fragmented self unattainable by human beings, and it will deter people from the most desirable sort of faith. The second source consists in the idea that since theistic beliefs function as answers to why-questions, their epistemic status hangs on whether they meet certain distinctively explanatory standards, whatever support they might receive from other sources. We argue that this is a non-sequitur and suggest questions for further research. (shrink)

Highlighting the applications and notations of basic mathematical concepts within the framework of logic and set theory, A First Course in Mathematical Logic and Set Theory introduces how logic is used to prepare and structure proofs and solve more complex problems.

In lieu of an abstract, here is a brief excerpt of the content:Religious Pluralism and Christian TruthJoseph S. O’Leary has been named recipient of the 1998 Frederick J. Streng Book Award for his 1996 volume, Religious Pluralism and Christian Truth. Dr. O’Leary was born in Cork, Ireland, in 1949. He studied literature, theology, and philosophy in Maynooth, Rome, and Paris. After teaching briefly in the United States (University of Notre Dame and Duquesne University), he moved to Japan in 1983. He (...) has worked in association with the Nanzan Institute for Religion and Culture and currently teaches English literature at Sophia University (with special emphasis on Joyce and the modernist period) and a course on Japanese values at International Christian University.He has been working on a trilogy in fundamental theology that has taken on an increasingly interreligious character. The first volume is Questioning Back: The Overcoming of Metaphysics in Christian Tradition (Minneapolis: Winston/Seabury, 1985), reviewed in Buddhist-Christian Studies in 1987; a French version is in preparation. The second volume appeared first as La verite chretienne a l’age du pluralisme religieux (Paris: Cerf, 1994) and then as Religious Pluralism and Christian Truth (Edinburgh University Press, 1996). Joseph O’Leary is also coeditor of Heidegger et la question de Dieu (Paris: Grasset, 1980) and Buddhist Spirituality (vols. 8 and 9 of World Spirituality, New York: Crossroad, 1993 and 1999).Terry Muck: Why did you write this book?Joseph O’Leary: My earlier book, Questioning Back: The Overcoming of Metaphysics in Christian Tradition, advocated deconstruction of the Greek and Hebrew elements in Christian theology—the need for a radical retrieval of the tradition in the spirit of Heidegger’s “step back” from metaphysical systems to the original phenomena. In Religious Pluralism and Christian Truth, I broadened the horizon to see all religion as historical, cultural constructs growing and changing through mutual interaction. Living in Japan brought me a liberating sense of historical and cultural relativity and with it the sense that the Christian tradition should be thought of as an essentially incomplete project, always reaching out to other traditions in search of a fuller vision.But that discovery did not mean giving up on the Christian tradition.No. Rather than sitting back and enjoying the pluralism, I found myself more and more concerned with the question of truth. Followers of Jacques Derrida assured me that “truth” has been exposed as a historical myth. Struggling with Derrida I found rather a recontextualization of the value of truth. Moreover, the “situated truth” (always relative to a given context in culture and praxis) of historically formulated dogmatic propositions turned out to be quite defensible despite Derrida’s demolition [End Page 239] of notions of truth as totality (Hegel) or truth as presence (Heidegger). Christianity has nothing to fear from opening itself up to its historical relativity. Buddhism has long accepted the provisionality of all religious expressions. I focused especially on the notion of skillful means and on the theory of the two truths (conventional and ultimate) in Madhyamaka Buddhism.What does this “opening up” do to traditional Christian doctrines?The notion of God is not only compatible with such a relativized view of the status of religious language, but demands it. The biblical discourse about God consists in a constant deconstruction of old images of God by new ones. As for the role of Jesus Christ, Incarnation is an ongoing event in that the historical significance of Jesus is still unfolding. The uniqueness of Jesus resides not in some ontological amalgamation of divinity and humanity but in the specifics of his historical role. God’s Word is spoken in other ways elsewhere, indeed is spoken in all things, and its specifically “fleshly” (human and historical) and “eschatological” manifestation in the unfolding of the Jesus story should not be divorced from these wider contexts.How have these ideas been received?The most flattering response has come from the Society for Buddhist-Christian Studies in granting me the Frederick J. Streng Book Award. Streng’s book, Emptiness, which I read in Pittsburgh in 1982, opened my eyes to the world of Madhyamaka thought.Any criticisms?Predictably, the book has come under fire from two opposing camps. The Revue Thomiste reviewer claimed that I could... (shrink)

Given its non-invasive nature, there is increasing interest in the use of transcutaneous vagus nerve stimulation across basic, translational and clinical research. Contemporaneously, tVNS can be achieved by stimulating either the auricular branch or the cervical bundle of the vagus nerve, referred to as transcutaneous auricular vagus nerve stimulation and transcutaneous cervical VNS, respectively. In order to advance the field in a systematic manner, studies using these technologies need to adequately report sufficient methodological detail to enable comparison of results between (...) studies, replication of studies, as well as enhancing study participant safety. We systematically reviewed the existing tVNS literature to evaluate current reporting practices. Based on this review, and consensus among participating authors, we propose a set of minimal reporting items to guide future tVNS studies. The suggested items address specific technical aspects of the device and stimulation parameters. We also cover general recommendations including inclusion and exclusion criteria for participants, outcome parameters and the detailed reporting of side effects. Furthermore, we review strategies used to identify the optimal stimulation parameters for a given research setting and summarize ongoing developments in animal research with potential implications for the application of tVNS in humans. Finally, we discuss the potential of tVNS in future research as well as the associated challenges across several disciplines in research and clinical practice. (shrink)

There is a class of fictionalist strategies (the reflexive fictionalisms) which appear to suffer from a common problem: the problem that the entities which are supposedly fictional turn out, by the lights of the fictionalist theory itself, to exist. The appropriate solution is to reject so-called strong fictionalism in each case: that is, to reject the variety of fictionalism which takes appeal to the domain of fictional entities to provide an explanation or analysis of the operators or predicates with which (...) the objects are systematically correlated. (shrink)

Given its non-invasive nature, there is increasing interest in the use of transcutaneous vagus nerve stimulation across basic, translational and clinical research. Contemporaneously, tVNS can be achieved by stimulating either the auricular branch or the cervical bundle of the vagus nerve, referred to as transcutaneous auricular vagus nerve stimulation and transcutaneous cervical VNS, respectively. In order to advance the field in a systematic manner, studies using these technologies need to adequately report sufficient methodological detail to enable comparison of results between (...) studies, replication of studies, as well as enhancing study participant safety. We systematically reviewed the existing tVNS literature to evaluate current reporting practices. Based on this review, and consensus among participating authors, we propose a set of minimal reporting items to guide future tVNS studies. The suggested items address specific technical aspects of the device and stimulation parameters. We also cover general recommendations including inclusion and exclusion criteria for participants, outcome parameters and the detailed reporting of side effects. Furthermore, we review strategies used to identify the optimal stimulation parameters for a given research setting and summarize ongoing developments in animal research with potential implications for the application of tVNS in humans. Finally, we discuss the potential of tVNS in future research as well as the associated challenges across several disciplines in research and clinical practice. (shrink)

Forensic evaluations of insanity have recently borne witness to an influx of neuroimaging methods, especially structural and functional magnetic resonance imaging and positron emission tomography, to assist in the development of explanations that help to excuse legal responsibility for criminal behavior. The results of these scanning methods have been increasingly introduced in legal settings to offer or support a clinical diagnosis that in turn suggests that an individual was incapable of knowing right from wrong, or to pinpoint brain dysfunction suggestive (...) of an inability to control behavior. This paper examines how neuroimaging has been employed in insanity evaluations. After addressing the contentious use of neuroimaging scans in insanity evaluations and synthesizing relevant research, we conclude that such scans presently hold limited applicability for forensic determinations of insanity. Furthermore, they can in some cases distract the trier of fact, potentially leading to erroneous conclusions. (shrink)

Forensic evaluations of insanity have recently borne witness to an influx of neuroimaging methods, especially structural and functional magnetic resonance imaging and positron emission tomography, to assist in the development of explanations that help to excuse legal responsibility for criminal behavior. The results of these scanning methods have been increasingly introduced in legal settings to offer or support a clinical diagnosis that in turn suggests that an individual was incapable of knowing right from wrong, or to pinpoint brain dysfunction suggestive (...) of an inability to control behavior. This paper examines how neuroimaging has been employed in insanity evaluations. After addressing the contentious use of neuroimaging scans in insanity evaluations and synthesizing relevant research, we conclude that such scans presently hold limited applicability for forensic determinations of insanity. Furthermore, they can in some cases distract the trier of fact, potentially leading to erroneous conclusions. (shrink)

Forensic evaluations of insanity have recently borne witness to an influx of neuroimaging methods, especially structural and functional magnetic resonance imaging and positron emission tomography, to assist in the development of explanations that help to excuse legal responsibility for criminal behavior. The results of these scanning methods have been increasingly introduced in legal settings to offer or support a clinical diagnosis that in turn suggests that an individual was incapable of knowing right from wrong, or to pinpoint brain dysfunction suggestive (...) of an inability to control behavior. This paper examines how neuroimaging has been employed in insanity evaluations. After addressing the contentious use of neuroimaging scans in insanity evaluations and synthesizing relevant research, we conclude that such scans presently hold limited applicability for forensic determinations of insanity. Furthermore, they can in some cases distract the trier of fact, potentially leading to erroneous conclusions. (shrink)

We use formal semantic analysis based on new constructions to study abstract realizability, introduced by Läuchli in 1970, and expose its algebraic content. We claim realizability so conceived generates semantics-based intuitive confidence that the Heyting Calculus is an appropriate system of deduction for constructive reasoning.Well-known semantic formalisms have been defined by Kripke and Beth, but these have no formal concepts corresponding to constructions, and shed little intuitive light on the meanings of formulae. In particular, the completeness proofs for these semantics (...) do not generate confidence in the sufficiency of the Heyting Calculus, since we have no reason to believe that every intuitively constructive truth is valid in the formal semantics.Läuchli has proved completeness for a realizability semantics with formal concepts analogous to constructions. We argue in some detail that, in spite of a certain inherent inexactness of the analogy, every intuitively constructive truth is valid in Läuchli semantics, and therefore the Heyting Calculus is powerful enough to prove all constructive truths. Our argument is based on the postulate that a uniformly constructible object must be communicable in spite of imprecision in our language, and that the permutations in Läuchli's semantics represent conceivable imprecision in a language, while allowing a certain amount of freedom in choosing the particular structure of the language.We give a detailed generalization of Läuchli's proof of completeness for the propositional part of the Heyting Calculus, in order to make explicit constructive and algebraic content.In our treatment, we establish several new results about Läuchli models. We show how to extend the sconing and gluing constructions familiar from Kripke and Frame semantics and Topos theory, to Läuchli models, and use them to give an algebraic approach to countermodel construction. In particular, the Läuchli arguments are given without the restriction to the integers, Z, as a group of permutations, which makes much of the coding scheme used in Läuchli's original paper transparent.We also make use of a new propositions-as-types syntax for the Heyting calculus, with limited nondeterminism, in which validity of formulae can be decided without loop-detection. (shrink)

Archaeologists have proposed that behavioral knowledge of a tool can be conceptualized as a “recipe”—a unit of cultural transmission that combines the preparation of raw materials, construction, and use of the tool, and contingency plans for repair and maintenance. This parallels theories in cognitive psychology that behavioral knowledge is hierarchically structured—sequences of actions are divided into higher level, partially independent subunits. Here we use an agent-based simulation model to explore the costs and benefits of hierarchical learning relative to holistic learning, (...) where entire behavioral sequences are learned in an all-or-nothing fashion, and diffusionist learning, where actions are completely independent. Hierarchical learning is favored under the reasonable assumptions that learning is associated with some degree of both error and cost, and that behavior can be grouped into subunits that repeat in one or more tool recipes. These general predictions can be tested in the archaeological and ethnographic record. Recent advances in evolutionary developmental biology have revealed a number of parallels between the hierarchically structured, recipe-like organization of behavioral knowledge that we examine here and the manner in which biological organisms develop. (shrink)

This book is an in-depth treatment of Darwinian evolutionism and its applicability to the investigation of the archaeological record. The authors explain the unique position that this kind of evolutionism holds in science and how it bears on any attempt to explain change over time in the organic world, demonstrate commonalities between archaeology and paleobiology, and explain the principles, methods, and techniques - the systematics - inherent in the approach.

This review summarizes and critiques the empirical ethical decision-making literature from 1996-2003. One hundred and seventy-four articles were published in top business journals during this period. Tables are included that summarize the findings by dependent variable - awareness, judgment, intent, and behavior. We compare this review with past reviews in order to draw conclusions regarding trends in the ethical decision-making literature and to surface directions for future research.

This review summarizes and critiques the empirical ethical decision-making literature from 1996–2003. One hundred and seventy-four articles were published in top business journals during this period. Tables are included that summarize the findings by dependent variable – awareness, judgment, intent, and behavior. We compare this review with past reviews in order to draw conclusions regarding trends in the ethical decision-making literature and to surface directions for future research.

This paper reports an experiment designed to investigate the potential influence of prior acts of self-control on subsequent prospective memory performance. College undergraduates performed either a cognitively depleting initial task or a less resource-consuming version of that task . Subsequently, participants completed a prospective memory task that required attentionally demanding monitoring processes. The results demonstrated that prior acts of self-control do not impair the ability to execute a future intention in college-aged adults. We conceptually replicated these results in three additional (...) depletion and prospective memory experiments. This research extends a growing number of studies demonstrating the boundary conditions of the resource depletion effect in cognitive tasks. (shrink)

ABSTRACT There is limited guidance about whether and how to provide psychological assessment results to research participants. This paper considers several ethical challenges associated with offering individual research results in psychological assessment research. Additionally, the process used to return individual results within a study examining neurodevelopmental effects of anesthesia exposure in children and adolescents is described. Almost all participants requested to know if results were concerning; however, only around a third of those with concerning findings sought additional feedback. Ongoing research (...) and guidance are necessary to establish evidence-based practices and manage challenges that may emerge when disclosing such results. (shrink)

Given the importance of cross-disciplinary research, facilitating CDR effectiveness is a priority for many institutions and funding agencies. There are a number of CDR types, however, and the effectiveness of facilitation efforts will require sensitivity to that diversity. This article presents a method characterizing a spectrum of CDR designed to inform facilitation efforts that relies on bibliometric techniques and citation data. We illustrate its use by the Toolbox Project, an ongoing effort to enhance cross-disciplinary communication in CDR teams through structured, (...) philosophical dialogue about research assumptions in a workshop setting. Toolbox Project workshops have been conducted with more than 85 research teams, but the project's extensibility to an objectively characterized range of CDR collaborations has not been examined. To guide wider application of the Toolbox Project, we have developed a method that uses multivariate statistical analyses of transformed citation proportions from published manuscripts to identify candidate areas of CDR, and then overlays information from previous Toolbox participant groups on these areas to determine candidate areas for future application. The approach supplies 3 results of general interest: A way to employ small data sets and familiar statistical techniques to characterize CDR spectra as a guide to scholarship on CDR patterns and trends. A model for using bibliometric techniques to guide broadly applicable interventions similar to the Toolbox. A method for identifying the location of collaborative CDR teams on a map of scientific activity, of use to research administrators, research teams, and other efforts to enhance CDR projects. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:Journal of the History of Philosophy 39.4 (2001) 591-592 [Access article in PDF] J. A. Cover and John O'Leary-Hawthorne. Substance & Individuation in Leibniz. Cambridge: Cambridge University Press, 1999. Pp. x + 307. Cloth, $59.95. This close engagement with Leibniz's modal metaphysics is as rewarding as it is challenging. Crisply written and tightly argued, the book aims to achieve a balance between what the authors describe as their (...) historical objective—to ascertain Leibniz's views on individuation against the backdrop of scholastic philosophy—and their philosophical goal—to investigate the issue of individuation more generally by construing Leibniz as a mediary between scholastic and modern metaphysics (4). The result is an original, if at times contentious, reinterpretation of some of the central tenets of Leibniz's philosophy.Since a full discussion of the work is beyond the scope of this review, we focus on one principal line of argument that supports much of what the authors say about Leibniz. Although in early texts Leibniz occasionally shows sympathy for a relational view of individuation (59-63), his dominant position (developed in the seminal Disputatio metaphysica) is that a substance's principle of individuation is wholly internal to it. For the authors, this becomes a benchmark for the interpretation of Leibniz's later philosophy. On their reading, Leibniz's account of individuation rests on two main theses: "the requirement of separability" (that the existence of any substance is metaphysically independent of that of any other substance except God) and "the requirement that whatever individuates a substance must be wholly internal to it" (87).These theses are heavy with consequences. Concerning the ontological status of relations and relational properties (or extrinsic denominations) the authors convincingly argue that Leibniz embraces a reductionist position, according to which relational properties supervene on a substance's intrinsic accidents, i.e., its perceptions and appetitions. Monadic facts about substances suffice to determine all relational facts, and the latter cannot change without a change in the former (though the converse does not hold). Emphasizing Leibniz's statement that God sees in a complete concept the "foundations" of all that can be predicated of a substance, the authors add to this the more controversial claim that extrinsic denominations are not included in the complete concept of an individual substance (83-4). Thus, the identity of any substance is defined by the totality of its intrinsic denominations, and these in turn determine the relations that hold among substances.The centerpiece of the book addresses the modal dimension of Leibniz's theory of individuation. Here the authors argue that Leibniz adheres to what they call "strong essentialism" rather than "superessentialism." The former, like the latter, holds that a substance could not have a complete concept different than the one it has. However, as a "strong essentialist" Leibniz denies that all of a substance's properties are essential to it. Based on their reading of Leibniz's doctrine of relations, the authors maintain that all and only intrinsic denominations are essential to a substance. From this they infer that Leibniz allows for the transworld identity of substances: the same substance can exist in different possible worlds, worlds distinguished by the fact that they contain different constituent substances. This is possible, according to the authors, because the "laws of harmony" impose no constraint on which substances can coexist in a world. A possible world is defined by the collection of individuals supposed to exist in it, and laws [End Page 591] of harmony are merely relational truths supervening on those substances' intrinsic accidents (109).The authors are candid in admitting that their interpretation cannot be reconciled with all of Leibniz's texts. Their goal instead is to give Leibniz the best he can get, metaphysically speaking: "Our efforts here are to show that the architectonic of Leibniz's own metaphysics is properly captured by strong essentialism, that the important and deepest threads of his thinking better hang together on that construal" (103). Yet one might take issue with their view of what count as Leibniz's "deepest" thoughts. Surely it is a... (shrink)

Given the numerous parallels between the archaeological and paleontological records, it is not surprising to find a considerable fit between macroevolutionary approaches and methods used in biology – for example, cladistics and clade-diversity measures – and some of those that have long been used in archaeology – for example, seriation. Key, however, is recognizing that this methodological congruence is illusory in terms of how evolution has traditionally been viewed in biology and archaeology. (Published Online November 9 2006).

We agree that the emergence of cumulative technological culture was tied to nonsocial cognitive skills, namely, technical-reasoning skills, which allowed humans to constantly acquire and improve information. Our concern is with a reading of the history of cumulative technological culture that is based largely on modern experiments in simulated settings and less on phenomena crucial to the long-term dynamics of cultural evolution.