This sizable, significant work focuses with novel insight on broad logical features in Galileo's Dialogue on the Two Chief World Systems. Part 1 perceptively examines its rhetorical, logical, scientific, and methodological contents. Anchored in these findings, a second part emends faulty interpretations and scholarly opinions, while sympathetically criticizing recent directions toward a more humanistic logic. From Galileo properly assessed a third part distils a concrete-practical logic that is primarily critical reasoning about reasoning.

In an Internet of Things (IoT) environment, IoT devices are typically connected through different network media types such as mobile, wireless and wired networks. Due to the pervasive nature of such devices, they are a potential evidence source in both civil litigation and criminal investigations. It is, however, challenging to identify and acquire forensic artefacts from a broad range of devices, which have varying storage and communication capabilities. Hence, in this paper, we first propose an IoT network architecture for the (...) forensic purpose that uses machine learning algorithms to autonomously detect IoT devices. Then we posit the importance of focusing on the links between different IoT devices (e.g. whether one device is controlled or can be accessed from another device in the system), and design an approach to do so. Specifically, our approach adopts a graph for modelling IoT communications’ message flows to facilitate the identification of correlated network traffic based on the direction of the network and the associated attributes. To demonstrate how such an approach can be deployed in practice, we provide a proof of concept using two IoT controllers to generate 480 commands for controlling two IoT devices in a smart home environment and achieve an accuracy rate of 98.3% for detecting the links between devices. We also evaluate the proposed autonomous discovering of IoT devices and their activities in a TCP network by using real-world measurements from a public dataset of a popular off-the-shelf smart home deployed in two different locations. We selected 39 out of 81 different IoT devices for this evaluation. (shrink)

Arthur Norman Prior was born on 4 December 1914 in Masterton, New Zealand. He studied philosophy in the 1930s and was a significant, and often provocative, voice in theological debates until well into the 1950s. He became a lecturer in philosophy at Canterbury University College in Christchurch in 1946 succeeding Karl Popper. He became a full professor in 1952. He left New Zealand permanently for England in 1959, first taking a chair in philosophy at Manchester University, and then becoming a (...) fellow of Balliol College, Oxford, in 1966. Prior died on 6 October 1969 in Trondheim, Norway. After Prior’s death, many logicians and philosophers have analysed and discussed his approach to formal and philosophical logic. In particular, his contributions to modal logic, tense-logic and deontic logic have been studied. -/- In 1957, A.N. Prior proposed the three-valued modal logic Q as a ‘correct’ modal logic from his philosophical motivations, see Prior (1957). Prior developed Q in order to offer a logic for contingent beings, in which one could intelligibly and rationally state that some beings are contingent and some are necessary, see Akama & Nagata (2005). According to Akama & Nagata (2005), Q has a natural semantics. In other words, from the philosophical point of view, Q can be regarded as an ‘actualist’ modal logic. -/- This review article is a developed description of, and discussion on, ‘The System Q’ that is the fifth chapter of Prior (1957). In addition, in his logical analysis of ‘Time & Existence’ (that is the eights chapter of Prior (1967)), Prior has worked on system Q. Thus, Prior (1967) has also been very useful for this article. This article analyses the logical structure of system Q in order to provide a more understandable description as well as logical analysis for today’s logicians, philosophers, and information-computer scientists. In the paper, the Polish notations are translated into modern notations in order to be more comprehensible and to support the developed formal descriptions as well as semantic analysis. (shrink)

Increasingly sophisticated and expensive medical technologies, chronic illness and aging, and a population that insists upon the best health care and coverage, together demand that priorities be set in the public funding of health care. This article describes Spanish initiatives in dealing with such problems and analyses the ethical implications of health care legislation and rationing.

The production of complex sequences like music or speech requires the rapid and temporally precise production of events (e.g., notes and chords), often at fast rates. Memory retrieval in these circumstances may rely on the simultaneous activation of both the current event and the surrounding context (Lashley, 1951). We describe an extension to a model of incremental retrieval in sequence production (Palmer & Pfordresher, 2003) that incorporates this logic to predict overall error rates and speed—accuracy trade-offs, as well as types (...) of serial ordering errors. The model—assumes that retrieval of the current event is influenced by activations of surrounding events. Activations of surrounding events increase over time, such that both the accessibility of distant events and overall accuracy increases at slower production rates. The model's predictions were tested in an experiment in which pianists performed unfamiliar music at 8 different tempi. Model fits to speed—accuracy data and to serial ordering errors support model predictions. Parameter fits to individual data further suggest that working memory contributes to the retrieval of serial order and overall accuracy is influenced in addition by motor dexterity and domain-specific skill. (shrink)

Having defined a notion of homology for paired graphs, Métayer ([Ma]) proves a homological correctness criterion for proof nets, and states that for any proof net \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $G$\end{document} there exists a Jordan-Hölder decomposition of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} ${\mathsf H}_0(G)$\end{document}. This decomposition is determined by a certain enumeration of the pairs in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $G$\end{document}. We correct his (...) proof of this fact and show that there exists a 1-1 correspondence between these Jordan-Hölder decompositions of \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} ${\mathsf H}_0(G)$\end{document} and the possible ‘construction-orders’ of the par-net underlying \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $G$\end{document}. (shrink)

In this paper we prove that any c. e. degree is splittable with an c. e. infimum over any lesser c. e. degree in the class of d-c. e. degrees.

We study type 1 premice equipped with supercomplete extenders. In this paper, we show that such premice are normally iterable and all normal iteration trees of type 1 premice has a unique cofinal branch. We give a construction of an KC type model using supercomplete type 1 extenders.

We show how to get canonical models from in which the nonstationary ideal on ω1 is ω1 dense and there is no P-point.

We show how to get canonical models from in which the nonstationary ideal on ω1 is ω1 dense and there is no P-point.

A new smooth method for solving the support vector machine classification (SVC) is presented. Since the objective function of the unconstrained SVC is non-smooth, we apply the smooth technique and replace the SVC function with Bézier function and get a class of Bézier smooth support vector machines (BSSVM). The fast Newton-Armijo algorithm is used to solve the BSSVM. Theoretical analysis and numerical results illustrate that this smooth SVM model improves in efficiency and accuracy compared with other smooth methods.

ε-support vector regression (ε-SVR) as a constrained minimization problem can be converted into an unconstrained convex quadratic programming. Smooth function is the essence of the ε-smooth support vector regression (ε-SSVR). In this paper, a new rotated hyperbola function is proposed to replace the ε-insensitive loss function. The ε-rotated hyperbola smooth support vector regression (ε-RHSSVR) model is presented. Theoretical analyses show that the derived smooth function has improved approximation precision compared with other smooth approximate functions. The Newton-Armijo algorithm is applied to (...) train the new model. Numerical results and comparisons are given to demonstrate the effectiveness and speed of the method. -/- . (shrink)

This exciting new Handbook offers a comprehensive overview of the contemporary state of the field. The editors' introduction and forty-five essays cover feminist critical engagements with philosophy and adjacent scholarly fields, as well as feminist approaches to current debates and crises across the world. Authors cover topics ranging from the ways in which feminist philosophy attends to other systems of oppression, and the gendered, racialized, and classed assumptions embedded in philosophical concepts, to feminist perspectives on prominent subfields of philosophy. The (...) first section contains chapters that explore feminist philosophical engagement with mainstream and marginalized histories and traditions, while the second section parses feminist philosophy's contributions to with numerous philosophical subfields, for example metaphysics and bioethics. A third section explores what feminist philosophy can illuminate about crucial moral and political issues of identity, gender, the body, autonomy, prisons, among numerous others. The Handbook concludes with the field's engagement with other theories and movements, including trans studies, queer theory, critical race, theory, postcolonial theory, and decolonial theory. The volume provides a rigorous but accessible resource for students and scholars who are interested in feminist philosophy, and how feminist philosophers situate their work in relation to the philosophical mainstream and other disciplines. Above all it aims to showcase the rich diversity of subject matter, approach, and method among feminist philosophers. (shrink)

Why is American punishment so cruel? While in continental Europe great efforts are made to guarantee that prisoners are treated humanely, in America sentences have gotten longer and rehabilitation programs have fallen by the wayside. Western Europe attempts to prepare its criminals for life after prison, whereas many American prisons today leave their inhabitants reduced and debased. In the last quarter of a century, Europe has worked to ensure that the baser human inclination toward vengeance is not reflected by state (...) policy, yet America has shown a systemic drive toward ever increasing levels of harshness in its criminal policies. Why is America so short on mercy? In this deeply researched, comparative work, James Q. Whitman reaches back to the 17th and 18th centuries to trace how and why American and European practices came to diverge. Eschewing the usual historical imprisonment narratives, Whitman focuses instead on intriguing differences in the development of punishment in the age of Western democracy. European traditions of social hierarchy and state power, so consciously rejected by the American colonies, nevertheless supported a more merciful and dignified treatment of offenders. The hierarchical class system on the continent kept alive a tradition of less-degrading "high-status" punishments that eventually became applied across the board in Europe. The distinctly American, draconian regime, on the other hand, grows, Whitman argues, out of America's longstanding distrust of state power and its peculiar, broad-brush sense of egalitarianism. Low-status punishments were evenly meted out to all offenders, regardless of class or standing. America's unrelentingly harsh treatment of trangressors--this "equal opportunity degradation"-- is, in a very real sense, the dark side of the nation's much vaunted individualism. A sobering look at the growing rift between the United States and Europe, Harsh Justice exposes the deep cultural roots of America's degrading punishment practices. (shrink)

A major challenge for The Cancer Genome Atlas (TCGA) Project is solving the high level of genetic and epigenetic heterogeneity of cancer. For the majority of solid tumors, evolution patterns are stochastic and the end products are unpredictable, in contrast to the relatively predictable stepwise patterns classically described in many hematological cancers. Further, it is genome aberrations, rather than gene mutations, that are the dominant factor in generating abnormal levels of system heterogeneity in cancers. These features of cancer could (...) significantly reduce the impact of the sequencing approach, as it is only when mutated genes are the main cause of cancer that directly sequencing them is justified. Many biological factors (genetic and epigenetic variations, metabolic processes) and environmental influences can increase the probability of cancer formation, depending on the given circumstances. The common link between these factors is the stochastic genome variations that provide the driving force behind the cancer evolutionary process within multiple levels of a biological system. This analysis suggests that cancer is a disease of probability and the most‐challenging issue to the TCGA project, as well as the development of general strategies for fighting cancer, lie at the conceptual level. BioEssays 29:783–794, 2007. © 2007 Wiley Periodicals, Inc. (shrink)

The production of complex sequences like music or speech requires the rapid and temporally precise production of events (e.g., notes and chords), often at fast rates. Memory retrieval in these circumstances may rely on the simultaneous activation of both the current event and the surrounding context (Lashley, 1951). We describe an extension to a model of incremental retrieval in sequence production (Palmer & Pfordresher, 2003) that incorporates this logic to predict overall error rates and speed—accuracy trade-offs, as well as types (...) of serial ordering errors. The model—assumes that retrieval of the current event is influenced by activations of surrounding events. Activations of surrounding events increase over time, such that both the accessibility of distant events and overall accuracy increases at slower production rates. The model's predictions were tested in an experiment in which pianists performed unfamiliar music at 8 different tempi. Model fits to speed—accuracy data and to serial ordering errors support model predictions. Parameter fits to individual data further suggest that working memory contributes to the retrieval of serial order and overall accuracy is influenced in addition by motor dexterity and domain-specific skill. (shrink)

A hallmark of Western culture is a massive moral confusion, rendering the very idea of virtue "exotic and incomprehensible." McInerny here drags the conversation back to the beginning, establishing the terms and the tools of what it means to think and to do what is moral. As he asserts, the virtuous life and the moral life are one and the same. To be moral is to be good, and the goodness of one's acts reflects the fundamentals of thought placed in (...) the service of a pursuit of a virtuous life. Why is the concept of a virtuous life so foreign to many? We do not know the basics of a moral life. As McInerny states, "To be good we have to know what that means." The two biggest judgments one will make during life pertain to knowing what is good, what is bad, and the difference between the two. This bleeds into a study of morality and ethics when it pertains to concrete acts, but in reality all aspects of our lives bear on these judgments. "Being ethical is not simply a state of mind, it is a state of being, a way of living one's life that reflects the fundamental principles of ethics [...] [it is one] who lives in a certain way." Nevertheless, the subject of this book focuses on ethics--namely, the goodness or badness of human acts. McInerny's great reason for writing this work is to teach the reader that he or she cannot properly tackle ethical questions (even if they are not identified as such) if one is not himself or herself actually ethical (living virtuously). Writing very much as a teacher of teachers, McInerny relies on the foundations of Aristotle and Thomas Aquinas, as well as his late brother, Ralph McInerny, to reiterate the principles of ethics that inform both thought and act. To speak of ethics, then, is to admit a commitment to virtue and how the theoretical distinction of good and bad is necessarily practical. Acting well will lead to thinking better, but McInerny notes that culture has lost sight of the former and thereby the coherency to address ethical questions. Being Ethical aims to correct this disconnect in forty-eight cogent lessons. Being Ethical is fundamentally intended to serve as a sequel to D. Q. McInerny's Being Logical (Random House, 2004), which has remained in print and has been translated into six languages. Its style lends itself to being used as a textbook in liberal studies. More generally, it is a refreshing presentation of this topic and timely and timeless exhortation to readers of the necessity of a love of virtue for ethical thought. For friends and students of Aristotle, Thomas Aquinas and Ralph McInerny, this book bears a style and manner that is both familiar and much loved. (shrink)

Modern biology has been heavily influenced by the gene‐centric concept. Paradoxically, this very concept – on which bioresearch is based – is challenged by the success of gene‐based research in terms of explaining evolutionary theory. To overcome this major roadblock, it is essential to establish new theories, to not only solve the key puzzles presented by the gene‐centric concept, but also to provide a conceptual framework that allows the field to grow. This paper discusses a number of paradoxes and illustrates (...) how they can be addressed by the genome‐centric concept in order to further resynthesize evolutionary theory. In particular, methodological breakthroughs that analyze genome evolution are discussed. The multiple interactions among different levels of a complex system provide the key to understanding the relationship between self‐organization and natural selection. Darwinian natural selection applies to the biological level due to its unique genetic and heterogeneous features, but does not simply or directly apply to either the lower non‐living level or higher intellectual society level. At the complex bio‐system level, the genome context (the entire package of genes and their genomic physical relationship or genomic topology), not the individual genes, defines the system and serves as the principle selection platform for evolution. (shrink)

Palimpsests of Themselves is an intervention in current discussions about the fate of philosophy in postclassical Islamic intellectual history. It takes up the most advanced logic textbook of Muslim South Asia, The Ladder of the Sciences, as a case study and engages its legacy in three ways. In addition to presenting the first full translation and extended commentary in English, Asad Q. Ahmed offers detailed assessments of the technical contributions of the work, explores the social and institutional settings of the (...) vast commentarial response it elicited, and develops a theory of the philosophical commentary that is internal to the tradition. The technical, social, and theoretical approaches to the commentarial text complicate presuppositions upon which questions of Islam's intellectual decline are erected. As such, Ahmed offers a unique and powerful opportunity to understand the transmission of knowledge across the Islamic world. (shrink)

This book offers for the first time a complete scholarly translation, commentary, and glossary in a modern European language of the logic section of Avicenna's very important compendium al-Naj=at.

The main purpose of this book is to introduce a broader audience to emergence by illustrating how discoveries in the physical sciences have informed the ways we think about it. In a nutshell, emergence asserts that non-reductive behavior arises at higher levels of organization and complexity. As physicist Philip Anderson put it, "more is different." Along the text's conversational tour through the terrain of quantum physics, phase transitions, nonlinear and statistical physics, networks and complexity, the author highlights the various philosophical (...) nuances that arise in encounters with emergence. The final part of the book zooms out to reflect on some larger lessons that emergence affords us. One of those larger lessons is the realization that the great diversity of theories and models, and the great variety of independent explanatory frameworks, will always be with us in the sciences and beyond. There is no "Theory of Everything" just around the corner waiting to be discovered. One of the main benefits of this book is that it will make a number of exciting scientific concepts that are not normally covered at this level accessible to a broader audience. The overall presentation, including the use of examples, analogies, metaphors, and biographical interludes, is geared for the educated non-specialist. (shrink)

Thomas Christiano argues that democracies acquire a right to rule by being the unique embodiment of publicly accessible rules. Justice requires the equal advancement of the interests of all. However, due to the need for citizens to shape a common world despite disagreement and limitations of human cognition, publicity is a necessary constraint on the pursuit of justice. Given that democracy is necessary to secure public equality, democratic authority is thus justified, as democracy is the only political arrangement that satisfies (...) both the publicity constraint and equality requirement. Christiano’s argument depends on a claim that individuals should be given the right to advance what they take to be their interests. This right is defended through two interlocking claims. First, according individuals this right advances three fundamental interests: i) correcting cognitive biases; ii) being at home in the world; and iii) equal moral standing. Second, the three fundamental interests imply that any collective decision-making procedure must be publicly accessible. Thus, any argument against the right to judge for oneself either violates the publicity requirement or the equality constraint. In this paper, I argue that Christiano’s argument faces a problem—under a two-stage plural voting system, an unequal distribution of voting rights can satisfy both the publicity requirement and the equality constraint. Thus, Christiano’s claim that public equality requires an equal distribution of the right to judge for oneself is mistaken. (shrink)

Thomas Christiano argues that democracies acquire a right to rule by being the unique embodiment of publicly accessible rules. Justice requires the equal advancement of the interests of all. However, due to the need for citizens to shape a common world despite disagreement and limitations of human cognition, publicity is a necessary constraint on the pursuit of justice. Given that democracy is necessary to secure public equality, democratic authority is thus justified, as democracy is the only political arrangement that satisfies (...) both the publicity constraint and equality requirement. Christiano’s argument depends on a claim that individuals should be given the right to advance what they take to be their interests. This right is defended through two interlocking claims. First, according individuals this right advances three fundamental interests: i) correcting cognitive biases; ii) being at home in the world; and iii) equal moral standing. Second, the three fundamental interests imply that any collective decision-making procedure must be publicly accessible. Thus, any argument against the right to judge for oneself either violates the publicity requirement or the equality constraint. In this paper, I argue that Christiano’s argument faces a problem—under a two-stage plural voting system, an unequal distribution of voting rights can satisfy both the publicity requirement and the equality constraint. Thus, Christiano’s claim that public equality requires an equal distribution of the right to judge for oneself is mistaken. (shrink)

This exciting new Handbook offers a comprehensive overview of the contemporary state of the field in feminist philosophy. The editors' introduction and forty-five essays cover feminist critical engagements with philosophy and adjacent scholarly fields, as well as feminist approaches to current debates and crises across the world. Authors cover topics ranging from the ways in which feminist philosophy attends to other systems of oppression, and the gendered, racialized, and classed assumptions embedded in philosophical concepts, to feminist perspectives on prominent subfields (...) of philosophy. The first section contains chapters that explore feminist philosophical engagement with mainstream and marginalized histories and traditions, while the second section parses feminist philosophy's contributions to numerous philosophical subfields, for example metaphysics and bioethics. A third section explores what feminist philosophy can illuminate about crucial moral and political issues of identity, gender, the body, autonomy, prisons, among numerous others. The Handbook concludes with the field's engagement with other theories and movements, including trans studies, queer theory, critical race, theory, postcolonial theory, and decolonial theory. The volume provides a rigorous but accessible resource for students and scholars who are interested in feminist philosophy, and how feminist philosophers situate their work in relation to the philosophical mainstream and other disciplines. Above all it aims to showcase the rich diversity of subject matter, approach, and method among feminist philosophers. (shrink)

This paper questions the connection between vaginas and feminist embodiment in The Vagina Monologues and considers how the text both challenges and reinscribes systems of patriarchy, compulsory heterosexuality, and ableism. I use the Intersex Society of North America's critique as a point of departure and argue that the text offers theorists and activists in feminist, queer, and disability communities an opportunity to understand how power operates in both dominant discourses that degrade vaginas and strategies of feminist resistance that seek to (...) reclaim and celebrate them. (shrink)

In information theory there is a fundamental principle, usually referred to as the informational “uncertainty principle”, which expresses a limitation of any information processing system (or agent) in terms of a relation between the system's response property and its inherent processing capacity. From this principle, it can be argued that a salutary strategy for dealing with conflicting information processing requirements is to adopt various complementary processes (or channels). Donald M. MacKay had attempted to relate the informational uncertainty principle (...) to spatial and temporal response properties of neurons in the mammalian visual cortex, and suggested that the spatial and the temporal aspects of such neurons are complementary. I attempt to extend his efforts and to show that the informational uncertainty principle may indeed underlie many complementary relations exhibited in human perception and cognition, such as the relation between the two principal processing streams in vision and the relation between parallel and serial processes in cognition. (shrink)

: This paper questions the connection between vaginas and feminist embodiment in The Vagina Monologues and considers how the text both challenges and reinscribes (albeit unintentionally) systems of patriarchy, compulsory heterosexuality, and ableism. I use the Intersex Society of North America's critique as a point of departure and argue that the text offers theorists and activists in feminist, queer, and disability communities an opportunity to understand how power operates in both dominant discourses that degrade vaginas and strategies of feminist resistance (...) that seek to reclaim and celebrate them. (shrink)

Herbert Morris argues in his influential retributivist paper, "Persons and Punishment," that criminals deserve punishment because their actions represent an unfair distribution of benefits and burdens in society. The proper distribution of benefits and burdens is important, in part, to restore law abiding citizens’ confidence that others will follow the law. In this paper I show that Morris's argument for why criminals deserve punishment morally requires us to set up an institution of rehabilitation in addition to the institution of punishment. (...) Such an institution is morally required because neither pure punishment systems nor punishment systems that incorporate quasi-rehabilitative aspects have ever worked to uphold the necessary confidence that Morris tells us law abiding citizens must have in order to protect the social order. Moreover, we cannot abandon Morris's appeal to the duty to maintain social order without also abandoning a plausibly Morrisian framework. (shrink)

The authors take as undefined the expression, "p is epistemically preferable to q for s at t", Which they interpret as referring to a relation that may hold among a man's believings ("he believes h"), His disbelievings ("he believes not-H"), And his withholdings ("he believes neither h nor not-H"). Seven axioms of epistemic preferability are set forth from which the authors deduce some 60 theorems. Some of these theorems are described as "pyrrhonistic." several fundamental epistemic concepts are defined in terms (...) of epistemic preferability. Among them are those suggested by the terms "some presumption in its favor", "acceptable", "beyond reasonable doubt", "evident", "certain", And "counterbalanced". (shrink)

This book addresses the idea of justice in order to guide society towards a more effective justice system. The authors trace impoverished and accomplished thinking in criminological and justice discourses and show that when justice and love are seen as synonyms, the historic ills that have plagued humanity tend to evaporate.

The development of factor markets has opened Chinese agriculture for the penetration of capitalism. This new round of rural transformation—China’s agrarian transition— raises the agrarian question in the Chinese context. This study investigates how capitalist forms and relations of production transform agricultural production and the peasantry class in rural China. The authors identify six forms of nonpeasant agricultural production, compare the labor regimes and direct producers’ socioeconomic statuses across these forms, and evaluate the role of China’s land-rights institution in shaping (...) these forms. The empirical investigation presents three main findings: Peasant differentiation : capitalist forms of agricultural production differentiate peasants into a variety of new class positions. Market-based stratification: producers in capitalist agriculture are primarily stratified by their positions in labor and land markets; their socioeconomic statuses are linked with their varying degrees of proletarianization. Institutional mediation: rural China’s dual-track land system plays a crucial role in shaping the diverse and unique forms of capitalist production. (shrink)

Humans routinely modify their walking speed to adapt to functional goals and physical demands. However, damage to the central nervous system often results in abnormal modulation of walking speed and increased risk of falls. There is considerable interest in treatment modalities that can provide safe and salient training opportunities, feedback about walking performance, and that may augment less reliable sensory feedback within the CNS after injury or disease. Fully immersive virtual reality technologies show benefits in boosting training-related gains in (...) walking performance; however, they lack views of the real world that may limit functional carryover. Augmented reality and mixed reality head-mount displays provide partially immersive environments to extend the virtual reality benefits of interacting with virtual objects but within an unobstructed view of the real world. Despite this potential advantage, the feasibility of using MR-HMD visual feedback to promote goal-directed changes in overground walking speed remains unclear. Thus, we developed and evaluated a novel mixed reality application using the Microsoft HoloLens MR-HMD that provided real-time walking speed targets and augmented visual feedback during overground walking. We tested the application in a group of adults not living with disability and examined if they could use the targets and visual feedback to walk at 85%, 100%, and 115% of each individual’s self-selected speed. We examined whether individuals were able to meet each target gait speed and explored differences in accuracy across repeated trials and at the different speeds. Additionally, given the importance of task-specificity to therapeutic interventions, we examined if walking speed adjustment strategies were consistent with those observed during usual overground walking, and if walking with the MR-HMD resulted in increased variability in gait parameters. Overall, participants matched their overground walking speed to the target speed of the MR-HMD visual feedback conditions. The percent inaccuracy was approximately 5% across all speed matching conditions and remained consistent across walking trials after the first overall walking trial. Walking with the MR-HMD did not result in more variability in walking speed, however, we observed more variability in stride length and time when walking with feedback from the MR-HMD compared to walking without feedback. The findings offer support for mixed reality-based visual feedback as a method to provoke goal-specific changes in overground walking behavior. Further studies are necessary to determine the clinical safety and efficacy of this MR-HMD technology to provide extrinsic sensory feedback in combination with traditional treatments in rehabilitation. (shrink)

As the burden of misconduct in medical research is increasingly recognised, questions have been raised about how best to address this problem. Whilst there are existing mechanisms for the investigation and management of misconduct in medical literature, they are inadequate to deal with the magnitude of the problem. Journal editors and publishers play an essential role in protecting the veracity of the medical literature. Whilst ethical guidance for journal editors and publishers is important, it is not as readily enforceable as (...) legal obligations might be. This article questions the legal obligations that might exist for journal editors and publishing companies with respect to ensuring the veracity of the published literature. Ultimately, there is no enforceable legal obligation in Australia, the United Kingdom, or the United States. In light of this, more robust mechanisms are needed to deliver greater confidence and transparency in the investigative process, the management of concerns or findings of misconduct and the need to cleanse the literature. We show that the law disincentivises journals and publishers from ensuring truth in their publications. There are harmful consequences for medical care and public confidence in the medical profession and health care system when the foundations of medical science are questionable. (shrink)

Several novel approaches have been proposed to resolve the problem of time by relating it to change. We argue using quantum information theory that the Hamiltonian constraint in quantum gravity cannot probe change, so it cannot be used to obtain a meaningful notion of time. This is due to the absence of quantum Fisher information with respect to the quantum Hamiltonian of a time-reparametization invariant system. We also observe that the inability of this Hamiltonian to probe change can be (...) related to its inability to discriminate between states of such a system. However, if the time-reparametization symmetry is spontaneously broken due to the formation of quantum cosmological time crystals, these problems can be resolved, and it is possible for time to emerge in quantum gravity. (shrink)

Prior research has demonstrated that trust in robots and performance of robots are two important factors that influence human–autonomy teaming. However, other factors may influence users’ perceptions and use of autonomous systems, such as perceived intent of robots and decision authority of the robots. The current study experimentally examined participants’ trust in an autonomous security robot (ASR), perceived trustworthiness of the ASR, and desire to use an ASR that varied in levels of decision authority and benevolence. Participants (N = 340) (...) were recruited from Amazon Mechanical Turk. Results revealed the participants had increased trust in the ASR when the robot was described as having benevolent intent compared to self-protective intent. There were several interactions between decision authority and intent when predicting the trust process, showing that intent may matter the most when the robot has discretion on executing that intent. Participants stated a desire to use the ASR in a military context compared to a public context. Implications for this research demonstrate that as robots become more prevalent in jobs paired with humans, factors such as transparency provided for the robot's intent and its decision authority will influence users’ trust and trustworthiness. (shrink)

Prior research has demonstrated that trust in robots and performance of robots are two important factors that influence human–autonomy teaming. However, other factors may influence users’ perceptions and use of autonomous systems, such as perceived intent of robots and decision authority of the robots. The current study experimentally examined participants’ trust in an autonomous security robot (ASR), perceived trustworthiness of the ASR, and desire to use an ASR that varied in levels of decision authority and benevolence. Participants (N = 340) (...) were recruited from Amazon Mechanical Turk. Results revealed the participants had increased trust in the ASR when the robot was described as having benevolent intent compared to self-protective intent. There were several interactions between decision authority and intent when predicting the trust process, showing that intent may matter the most when the robot has discretion on executing that intent. Participants stated a desire to use the ASR in a military context compared to a public context. Implications for this research demonstrate that as robots become more prevalent in jobs paired with humans, factors such as transparency provided for the robot's intent and its decision authority will influence users’ trust and trustworthiness. (shrink)