Advancements in novel neurotechnologies, such as brain computer interfaces and neuromodulatory devices such as deep brain stimulators, will have profound implications for society and human rights. While these technologies are improving the diagnosis and treatment of mental and neurological diseases, they can also alter individual agency and estrange those using neurotechnologies from their sense of self, challenging basic notions of what it means to be human. As an international coalition of interdisciplinary scholars and practitioners, we examine these challenges and make (...) recommendations to mitigate negative consequences that could arise from the unregulated development or application of novel neurotechnologies. We explore potential ethical challenges in four key areas: identity and agency, privacy, bias, and enhancement. To address them, we propose democratic and inclusive summits to establish globally-coordinated ethical and societal guidelines for neurotechnology development and application, new measures, including “Neurorights,” for data privacy, security, and consent to empower neurotechnology users’ control over their data, new methods of identifying and preventing bias, and the adoption of public guidelines for safe and equitable distribution of neurotechnological devices. (shrink)

We describe BDD-based decision procedures for the modal logic K. Our approach is inspired by the automata-theoretic approach, but we avoid explicit automata construction. Instead, we compute certain fixpoints of a set of types — which can be viewed as an on-the-fly emptiness of the automaton. We use BDDs to represent and manipulate such type sets, and investigate different kinds of representations as well as a “level-based” representation scheme. The latter turns out to speed up construction and reduce memory consumption (...) considerably. We also study the effect of formula simplification on our decision procedures. To prove the viability of our approach, we compare our approach with a representative selection of other approaches, including a translation of K to QBF. Our results indicate that the BDD-based approach dominates for modally heavy formulae, while search-based approaches dominate for propositionally heavy formulae. (shrink)

This study aimed to analyze the relations between class competition and primary school students’ academic achievement, considering the possible mediating roles of learning anxiety and learning engagement. Participants were 1,479 primary school students from four primary schools in Zhejiang, China. We analyzed participants’ scores for class competition, learning anxiety, and learning engagement and their last two final exam scores. Class competition did not directly predict academic achievement, but indirectly affected academic achievement through learning anxiety and learning engagement. There were three (...) effect paths: class competition negatively predicted academic achievement by increasing learning anxiety; class competition positively predicted academic achievement by promoting learning engagement; and class competition affected academic achievement through multiple mediating effects of learning anxiety and learning engagement. This study highlights the important roles of learning anxiety and learning engagement in class competition and academic achievement, which have theoretical and practical significance. (shrink)

v. 1. al-Nuṣūṣ al-manṭiqīyah -- v. 2. al-Shurūḥ al-manṭiqīyah -- al-mujallad 3. al-Shurūḥ ʻalá al-nuṣūṣ al-manṭiqīyah.

v. 1. Arabic text -- v. 2. English translation.

Resumen: Este artículo sostiene que algunas Meta-Picto-Poesías del Paisaje compuestas por el poeta estadounidense Gary Snyder toman como tema la pintura china del paisaje con las características de la antigua poesía china, resplandeciente de incomparable encanto artístico y sustancia cultural. La poesía de este tipo es una combinación perfecta de elementos orientales y occidentales, que integra las culturas, los pensamientos y las artes de ambas partes, cuya apreciación crea una experiencia compleja con un híbrido de formas artísticas y espacios estéticos. (...) Gary Snyder no es sólo un eco-poeta, sino también un estilista y un hombre de práctica. Sus obras poéticas revelan la relación de fomento entre literatura, cultura y naturaleza. El artículo pretende hacer un intento transcultural, interdisciplinar y multidisciplinar en la crítica de Snyder, con métodos analíticos que incluyen culturas orientales y occidentales, visiones antiguas y actuales, así como experiencias dinámicas y estáticas. (shrink)

In lieu of an abstract, here is a brief excerpt of the content:One to NGirard's Philosophy of InnovationJohnathan Bi (bio)What does a theorist of imitation have to teach us about innovation? What could a thinker focused on the distant past have to offer us in building the immediate future? The answer to both questions, I hope to show, is a significant amount. I aim to rescue and develop a neglected strand of Girardian thought from one of his overlooked essays on (...) a topic seemingly antithetical to imitation: innovation. This task proceeds in five steps. First, I articulate two contemporary perspectives on innovation, one dominant and one in the minority. Second, I reconstruct Girard's historical argument from "Innovation and Repetition" in favor of the minority view and, third, his psychological argument against the dominant view. Fourth, I show how Girard's philosophy of innovation sublates crucial features of both poles and provides an alternative mode for conceiving the future.1 Lastly, I wrestle with an immanent objection that threatens the prescriptive force of his entire argument and, even when reconciled, leads me to depart from Girard's conclusions, albeit in the most Girardian of ways. [End Page 71]INNOVATION AND IMITATIONThe dominant view of innovation is that it is opposed to imitation. The foundational type of opposition between the two is metaphysical: imitation and innovation are actions different in kind and must be conceived of as such. Peter Thiel's famous formulation is representative: certain actions, companies, and countries are innovative, going from "zero to one," while others are imitative, going from "one to N."2 This distinction is mostly accepted without question in the social sciences, underpinning entire disciplines such as innovation studies.3 This near-universal consensus, however, is a modern phenomenon. The Latin innovatio, for example, described innovation as being inseparable from the imitation of the past: the Jews returning to Jerusalem, Job having his wealth restored, or the rebirth of a phoenix.4 The word itself reveals as much. Innovatio is derived by appending the prefix in- (within, from inside) to novitas (novelty). It meant novelty that preceded from within, or renewal. Under this view, innovation was not about breaking free or starting from a blank slate, zero to one, but rather rescuing and developing an already formed foundation, one to N. Innovation was identical with the imitation and adaptation of that which is essential but has been obscured. Only beginning in the twentieth century has imitation been so strongly demarcated from innovation.5Built on top of this metaphysical opposition is a practical opposition. Not only are the two actions distinct, they are incompatible: the more one imitates, the more one risks eroding one's ability to innovate. This stronger form of opposition is exemplified by the idea of the "untutored genius" whose source of creativity is solely internal: a fully formed natural endowment not requiring learning nor external inspiration from divinity or nature. This idea gained ascendancy in the seventeenth and eighteenth centuries, and proponents believed that imitation of tradition impeded the expression of one's own innate genius.6 If one wants to write a great book, this idea goes, one ought not read great books for fear that they will crowd out one's original ideas. Even in the twentieth century, Wittgenstein expressed this exact sentiment when he proudly claimed not to have read any Aristotle or engaged deeply with the history of philosophy and considered those who have "academic and therefore unauthentic philosophers."7 Of course, not all modern thinkers see innovation and imitation as practically opposed in such a strong way.8 But even for most who treat the two as harmonious, imitation tends to be relegated to a secondary afterthought as the mere mechanism by which innovation, the primary source of value creation, spreads. This, then, is the third form of opposition drawn out [End Page 72] between the two concepts: a normative one. Imitation is, at best, of secondary value when compared to acts of innovation.The practical and, to a lesser degree, normative oppositions appear so unsound as to not warrant serious engagement, and already contested by theorists who study innovation as to not require another rebuttal. What makes Girard's response to them... (shrink)

A robust adaptive fuzzy nonlinear controller based on dynamic surface and integral sliding mode control strategy is proposed to realize trajectory tracking for a class of quadrotor UAVs. In this study, the composite factors including parametric uncertainties and external disturbances are added to controller design, which make it more realistic. The quadrotor model is divided into two subsystems of attitude and position that make the control design become feasible. The main contributions of the proposed ADSISMC strategy are as follows: The (...) combination of dynamic surface and integral sliding mode makes the system always in sliding stage by finding the appropriate initial position compared with the common sliding mode, and the complexity of explosion in backstepping method is eliminated. By introducing the fuzzy system, the unknown functions and uncertainties can be approximated which significantly improves the robustness and the tracking performance. The switching control strategy is utilized to compensate for the errors between estimated and ideal inputs; the tracking performance of the whole system has been significantly improved. The simulation results show the effectiveness of the proposed control method. (shrink)

Analytical study of philosophy; includes comparative study of world-renowned philosophers and their ideologies.

This article discusses Abū Isḥāq al-Naẓẓām’s (d. 231/845) (one of the first Muʽtazilī thinkers); understanding of Allah-world relationship, his theory of nature (tab‘) and his view on miracles. In a proposal form, Muʽtazilī scholars accept that the miracle, which is the actual confirmation, must occur, since it is not possible for Allah to confirm His messenger (prophet) in a way that everyone can hear and in a direct word. Since the Prophet's message can be authenticated only by a miracle, Muʽtazilī (...) thinkers paid great attention to this issue, organized and formed natural theories about the universe in a way that miracles can occur. Naẓẓām explains a kind of miracle that occurs under the power of Allah, by his theory of nature called latency and occurrence (kumūn-ẓuhūr). His view of miracles is rooted in the Muʽtazilī classification of miracles. Naẓẓām argues that in the theory of nature, things are infinitely divided. He also argues that all qualities considered accident (aʽrāḍ) by other Muslim theologians are different objects as only motion and rest are the only accidents. According to him, the universe consists of objects and accidents of motion only. In each object in the universe, an unlimited number of opposing objects (sub-components) that have different effects on each other is located in the same space. Those objects in the same space are intervened (tadākhul) with each other. Kumūn refers to sub-components that are located inside the object in a state of passing into each other, and a state of balancing each other through the push-pull motion (i‘timād). Ẓuhūr is an outward movement of the sub-component from where it is located when an impact imposed outside the object interacts with one of the sub-components contained in it. Naẓẓām says that too many opposing sub-components, such as heaviness-lightness, heat-coldness contained in the object, form an internal dynamic by providing balancing each other through inside the object with the push-pull motion. The state of balance inside the object is disrupted by an external factor affecting one of the sub-components. An external thing approaching the object interacts with one of the sub-components contained in the object. Then, the affected sub-component moves out of the object and thus the state of balance inside the object is disrupted. According to the theory of kumūn-ẓuhūr, change in objects occurs when the balance within the object is disturbed. The change in the balance also occurs not by the direct intervention of Allah and the creation of accidents, but by the disruption in the balance of natures within the object. Naẓẓām, who advocates the intrinsic natures in things, has been criticized for not leaving any room for Allah’s influence on objects at least through miracles. This criticism is not correct. Naẓẓām says that the nature of objects depends on God, and it is possible for God to intervene in them at any time. According to him, Allah can force opposing objects into a union that is not in their natures. In their natures, unification can separate those by applying pull and push. In this way, Naẓẓām sees the intervention of Allah as possible in the occurrence of a situation that is the opposite of what is present in the nature of objects. In Naẓẓām's theory of kumūn-ẓuhūr, there are suppressed natures and sub-components that are in a weak state inside the actual object. Furthermore, they cannot go out in any way from the actual object. One of these suppressed natures found in the object is removed from the nature of the object by the intervention of Allah when a miracle occurs in the hands of theProphet. In this case, the miracle is not something new that Allah has created, but that Allah has disclosed a hidden sub-component that is hidden in that thing that has never appeared before. Naẓẓām’s view of miracle is something occurring under the power of the created, which Muʽtazilī scholars accept in the classification of miracles in relation to, the theory of sarfa. He suggests that the Qur'an, which he accepts under the power of the created, would not be a miracle, if the Arabs could dispute it. However, according to him, the Qur'an is a miracle because Allah prevents them from the dispute. In his understanding of sarfa, the miracles occur directly as an act of God’s divine intervention with human beings. This study investigates Naẓẓām’s view of miracles along with his theory of nature and his understanding of sarfa. (shrink)

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A group of Sogdian documents from the area of Khotan was recently acquired by Renmin University of China, Beijing. Four economic documents were edited in JAOS 130/4 ; the present article, comprising the edition of one complete letter and several fragments of letters, completes the publication of this collection, which adds to a growing body of evidence for the presence of Sogdian-speakers on the trade routes to the south of the Taklamakan desert.

The inscription edited in this paper is the third bilingual Chinese-Sogdian epitaph to be made known, following that of Wirkakk and Wiyusi and that of Nanai-vande and Kekan, published in 2005 and 2017 respectively. The new epitaph is that of a Sogdian lady who died in 736 CE. Apart from its linguistic interest, it is important as attesting the conversion of a Sogdian lady to the “heretical” Buddhist Sanjie or “Three levels” movement, which remained popular despite being officially suppressed under (...) the Tang. (shrink)

The Yoga Sutras of Patañjali is the foundational text of yoga philosophy, used by millions of yoga practitioners and students worldwide. This book is a new rendering into English of the Arabic translation and commentary of this text by the brilliant eleventh-century polymath al-Bīrūnī.