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Hipparchus was the most important astronomer of the ancient Greek world. This volume provides a comprehensive introduction to almost everything that can be known or reasonably surmised about his life and work. Hipparchus was the first to apply an effective geometric model to the cosmos, which enabled him to predict the positions of the Sun, Moon and stars more reliably than before. He was also the first to catalogue most of the stars that were visible in the northern hemisphere, giving a detailed account of their risings, settings and culminations. His most important discovery was the long-term movement of the sky, known as precession. Crucially, this study provides a translation and analysis of Hipparchus' only surviving work, the Commentary on the Phenomena of Aratus and Eudoxus, and reconstructs his catalogue of the stars, which has not survived, using a modern precession model.
This two-part book offers a rigorous yet accessible exploration of set theory and transfinite algebra, with a particular emphasis on the axiom of choice and its applications. Part I presents an informal axiomatic introduction to the foundations of set theory, including a detailed treatment of the axiom of choice and its equivalents, suitable for advanced undergraduates. Part II, aimed at graduate students and professional mathematicians, treats selected topics in transfinite algebra where the axiom of choice, in one form or another, is useful or even indispensable. The text features self-contained chapters for flexible use, and includes material rarely found in the literature, such as Tarski's work on complete lattices, Hamel's solution to Cauchy's functional equation, and Artin's resolution of Hilbert's 17th problem. Over 140 exercises, with full solutions provided in the Appendix, support active engagement and deeper understanding, making this a valuable resource for both independent study and course preparation.
Indicating and depicting are widely understood to be fundamental, meaningful components of everyday spoken language discourse: a speaker's arms and hands are free to indicate and depict because they do not articulate words. In contrast, a signer's arms and hands do articulate signs. For this reason, linguists studying sign languages have overwhelmingly concluded that signers do not indicate and depict as a part of signed articulations. This book demonstrates that signers do, however, indicate - by incorporating non-lexical gestures into their articulations of individual signs. Fully illustrated throughout, it also shows that signers create depictions in numerous ways through conceptualizations, in which the hands, other parts of the body, and parts of the space ahead of the signer depict things. By establishing that indicating and depicting are also fundamental, meaningful aspects of sign language discourse, this book is essential reading for researchers and students of sign linguistics and gesture studies.
Emerging technologies such as autonomous vessels, artificial intelligence, and alternative fuels are revolutionizing the way we operate at sea. This volume examines how advancements in information technology and biotechnology are influencing the evolution of ocean law and policy. These technologies, including blockchain, satellite and submarine cable communications, nuclear power at sea, seabed mining, underwater archaeology, marine genetics, and decarbonization, are changing the architecture of ocean governance. This volume explores both the opportunities and challenges these advancements pose to the law of the sea, which is evolving to adapt to ever accelerating rates of global change. Looking forward, the book considers the role of the law of the sea in the future of ocean governance. This title is also available as open access on Cambridge Core.
In 1662, in the aftermath of the Restoration, parliament passed new legislation for the settlement and removal of the poor. Important provisions were finalised in no more than a few days. But once the settlement of the poor was set in law it became an agent of historical change that affected society, state formation, and the lives of millions in Britain and beyond for centuries to come. Within a few decades, practices of local government were transformed. In towns and villages hierarchies of social status and gender were affected. The rising empire employed the settlement administration to mobilise forces for large-scale international wars and to deal with soldiers' wives and children left behind. The huge number of bureaucratic forms generated following the new policies made a lasting impact on administrative culture. The Settlement of the Poor in England is about social change and about history's unintended consequences. It is also about the struggles and experiences of individuals and communities. It reminds us how the settlement legislation still resonates today. This title is part of the Flip it Open Programme and may also be available Open Access. Check our website Cambridge Core for details.
What kind of trouble lies ahead? How can we successfully transition towards a sustainable future? Drawing on a remarkably broad range of insights from complex systems and the functioning of the brain to the history of civilizations and the workings of modern societies, the distinguished scientist Marten Scheffer addresses these key questions of our times. He looks to the past to show how societies have tipped out of trouble before, the mechanisms that drive social transformations and the invisible hands holding us back. He traces how long-standing practices such as the slave trade and foot-binding were suddenly abandoned and how entire civilizations have collapsed to make way for something new. Could we be heading for a similarly dramatic change? Marten Scheffer argues that a dark future is plausible but not yet inevitable and he provides us instead with a hopeful roadmap to steer ourselves away from collapse-and toward renewal.
Over the last century, UK law has moved from endorsing, and in some cases mandating, unjust sex discrimination to a robust framework of distinct protections for women and girls. At the same time, our law has extended anti-discrimination protections to people who undergo gender reassignment, culminating in a system where individuals can change their legally recognised sex for some purposes. Sometimes the interests of these two groups conflict, most notably where the law must differentiate based on biological sex in contexts where those with transgender identities wish to be classed by reference to gender identity instead. For a time, there was uncertainty over the precise interaction between these competing interests within equality law. In 2025 this was resolved in a landmark case brought by the feminist organisation For Women Scotland. This book traces the history of how sex changed within our law and what that means for ongoing controversies over single-sex spaces, freedom of belief, freedom of expression, privacy, sport, and sexual intimacy.
This book presents a compelling, science-based guide for navigating life's many transitions: from first jobs to midlife pivots to purposeful retirements. Based on insights from over 1000 people across all ages and career stages, it blends identity work, prototyping, and psychological capital to foster sustainable, purpose-driven career paths. Drawing on design thinking, positive psychology, and behavioral science, each chapter encourages reflection, exploration, and growth, supported by a practical toolkit featuring methods such as the Magic Circle, Life Loops, and the Stairway to Heaven. Readers are equipped to overcome procrastination, redesign habits, explore bold dreams, and build a portfolio life that reflects personal evolution. Whether you're feeling stuck, restless, or ready for something new, Design Your Future will help you take action with confidence and joy. This book is not about making the perfect plan; it's about designing your next brave step.
This book offers compelling arguments for moving toward the school renewal model (rather than the school reform model) based on strong empirical evidence and real-world renewal work in schools. Drawing on national and project data alongside rigorous analysis, it highlights structural and leadership barriers that have hindered reform over the past twenty-five years and offers essential constructs and tools to bridge the divide in the educational system, including the bifurcation theory, the win-win leadership theory, implementation fidelity, integrated school leadership, and leadership density. With validated instruments and actionable frameworks, this work equips researchers and practitioners with innovative methods to drive school improvement. Policymakers will also find guidance on creating enabling conditions for sustainable progress, focusing on responsive, capacity-building approaches rooted in the complexities of modern education.
Moving beyond familiar narratives of abolition, Xia Shi introduces the contentious public presence of concubines in Republican China. Drawing on a rich variety of historical sources, Shi highlights the shifting social and educational backgrounds of concubines, showing how some served as public companions of elite men in China and on the international stage from the late nineteenth to the mid twentieth century. Shi also demonstrates how concubines' membership in progressive women's institutions was fiercely contested by China's early feminists, keen to liberate women from oppression, but uneasy about associating with women with such degraded social status. Bringing the largely forgotten stories of these women's lives to light, Shi argues for recognition of the pioneering roles concubines played as social wives and their impact on the development of gender politics and on the changing relationship between the domestic and the public for women during a transformative period of modern Chinese history.
Grounded in descriptive linguistics, this textbook introduces the basics of the major subfields of linguistics, as well as the Chinese writing system, for students with no prior linguistic training. It presents the Chinese language from the perspective of both modern linguistics and its longstanding philological legacy, as well as providing historical and sociolinguistic context. Chapters cover phonology and phonetics, morphology, lexicon, lexical semantics, syntax, sign language and braille. Authentic, real-world examples are drawn from Chinese newspapers, websites, and social media to facilitate meaningful linguistic analysis, while other examples contrast English and Chinese to help students grasp key concepts. Students will also benefit from the robust pedagogical approach, which includes learning objectives, guiding questions, checkpoint summaries, discussion questions, exercises, further readings, and bilingual glossaries. Supplementary resources provide answers to exercises, sample course syllabi, links to resources, and recordings of sounds.
Wilfrid Sellars (1912–1989) was a ground-breaking figure in twentieth-century philosophy. He co-founded the first American journal devoted to analytic philosophy, and he made major contributions to several areas of philosophy, but his work has been under-explored. This wide-ranging volume of new essays conveys the importance of Sellars's contributions to philosophy of mind, philosophy of language, ethical theory, and the history of philosophy. The essays explore such topics as Sellars's relation to Kant and Hegel, comparisons of Sellars with Continental philosophers such as Heidegger and Deleuze, new work on Sellars's philosophy of mind in relation to animal cognition and to AI, his contributions to ethical theory, and his place in the history of philosophy, including neo-Kantianism and American pragmatism.
What is race and how does it structure our contemporary world? This Handbook offers a groundbreaking exploration of these urgent questions, providing a critical, global perspective on the anthropology of race and ethnicity. Drawing together cutting-edge research across subdisciplines such as physical anthropology, cultural anthropology, archaeology, and linguistics, it emphasizes the key roles of colonialism and the discipline of anthropology in shaping our understanding of race and demonstrates the instrumentality of race/ethnicity in the reproduction of local and global inequality. The chapters show how a variety of issues are deeply rooted in global structures of race and power — from the rising popularity of genomics to police brutality and the rise of the far right in the West. Providing new theoretical frameworks and innovative methodologies reshaping the discipline of anthropology, this Handbook is a vital resource for anyone interested in the complexities of race in the twenty-first century.
Step into this authoritative clinical guide designed to transform how you interpret semen tests and approach male fertility assessment. Specifically crafted for urologists, andrologists, reproductive endocrinologists, infertility specialists, fertility nurses, laboratory professionals, and researchers, this indispensable resource uniquely bridges laboratory findings with clinical decision-making. Drawing on the sixth edition of the WHO Laboratory Manual, the book offers a comprehensive exploration of basic, extended, and advanced semen tests – highlighting their diagnostic value and clinical implications. As the latest WHO guidelines move away from fixed reference ranges, clinicians are now challenged to make nuanced, patient-specific decisions. This guide meets that challenge head-on with expert insights, real-world context, and practical strategies for interpreting semen reports and translating them into next steps in patient care. Whether you're new to the field or an experienced practitioner, this essential reference empowers you to harness the full potential of semen analysis in diagnosing and managing male infertility. Elevate your expertise – improve outcomes.
Armed conflict and the proximity of soldiers and other combatants shaped late ancient monastic communities in diverse ways that reflected not only the vulnerability of victims but also the resourcefulness of innovators. Monks were wounded, captured, and killed, and some became the objects of veneration as martyrs; monastic communities built walls and towers for protection and offered help to victims of violence; monks interacted with barbarians peacefully and violently and integrated their fears of barbarians into their spiritual lives; monks formed new and often beneficial relationships with military men, some of whom chose to become monks themselves; and the military may have provided one of the models for the organization of monastic communities. Monks saw themselves as soldiers of the heavenly king, not entirely different from the nearby soldiers of the earthly king.
The chapter examines the operation of cloud technologies within the system of international investment law. It analyses the operation of cloud technologies themselves within the system of international investment law and the interaction between the regulation of cloud technologies and international investment protective standards. The common element in each analysis is the existence, inexistence, and eventually forceful existence of territorial nexus between the ‘cloud’ and the national jurisdictions. Amidst the increased regulatory interference, the chapter focuses on localization requirements and forced localizations as a medium through which fundamental territorial and extra-territorial implications of international investment law are assessed. In essence, it constitutes a crash test on the capacity of existing international investment norms to protect and regulate assets and investments that are inherently detached from traditional views of territorial jurisdiction or tangible property rights.
This chapter examines the early development of Constantine’s religious imagery following his victory at the Battle of the Milvian Bridge in 312 ce. It argues that Constantine’s administration swiftly began portraying the civil war against Maxentius as a religious conflict, with Constantine defeating Satan through the aid of the archangel Michael. The chapter highlights the apocalyptic nature of this imagery, emphasizing Michael’s role not only as a heavenly warrior but also as a herald of the end times and Christ’s millennial reign. Scholars have overlooked both the early emergence of this imagery and Michael’s significance within it. While the imperial court may have believed in this narrative, its promotion in the aftermath of civil war suggests that not all Christians in Constantine’s new territories necessarily welcomed their new emperor.
Synesius of Cyrene (b. ca. 373–d. ca. 410) was trained in the classical literature that depicted war as an event with armies opposing one another in battle, but he experienced a different kind of conflict in his own life – namely, the periodic and unpredictable raiding that troubled late ancient Libya. Synesius’ letters and his treatise On Kingship show that these conflicts brought sentiment to the surface as a kind of evidence about people that could be implicitly trusted; Synesius’ sentiment was palpably xenophobic, aligned against both “barbarians” and “Scythians,” and so strong as to circumvent rational examinations of the evidence around him. This essay examines the scaffolded construction of stereotype, built in Synesius’ advice to a hypothetical ruler, and demonstrates how knowledge, even knowledge that seems intimate and trustworthy, can be bent through engagements with violence.