The Zaydī-Muʿtazilī interaction, which dates back to the early periods, increased when The Būyid vizier al-Ṣāḥib b. ʿAbbād invited Qāḍī ʿAbd al-Jabbār to Rayy and many Caspian Zaydī scholars studied with Qāḍī. Ibn Sharwīn, who is mentioned among the students of Qāḍī ʿAbd al-Jabbār and accepted as one of the Zaydī- Muʿtazilī scholars, is one of these names. The works of Ibn Sharwīn, who had writings in the field of kalām and fiqh, did not remain within the borders of the (...) Caspian and reached the Zaydīs of Yemen; one of these works is Ḥaqāʾiq al-ashyāʾ. Considering that, unlike other theological schools, there are not many works on the definitions of theological concepts in Muʿtazilī literature and -as far as is known- did not reach today, this treatise helps to understand better especially the terms in Zaydī- Muʿtazilī theology and the effects of Bahshamiyya on Zaydī thought. This work, edited and translated based on the only extant manuscript only manuscript found in Yemen and a previous publication, on the one hand, is important in understanding the point of view of Zaydī- Muʿtazilī thought on the disciplines of theology, jurisprudence, debate, history of Islamic sects, on the other hand, it is a helpful resource for understanding the terms used in the theory of aḥwāl, which is still an intricate issue. Ibn Sharwīn in his Ḥaqāʾiq al-ashyāʾ; explains over 150 terms in relation to cosmology such as substance, accident, line, surface, space; to ontology such as existing, non-existence, originated (muḥdath); to epistemology such as knowledge, creed, ignorance, doubt, skepticism, obligatory and acquired knowledge; to methodology such as evidence, madlūl, debate, and disputation; to fiqh such as sunnah, farḍ, mandūb, cause, command-prohibition, general-particular (ʿumūm-ḫuṣūṣ); to the history of sects such as ʿadliyya, compulsionists (mujbira) and qadarī; to divinity such as the oneness of God (tawhīd); to justice such as promise and threat (al-waʿd wa-l-waʿīd), good and evil, necessary and acquired, grace, compensation, repentance, major and minor sins; to the theory of al-aḥwāl such as attribute of the essence, determinant (muḳtaḍī), entail (muḳtaḍā), muṣaḥḥiḥ, cause. Describing ḥadd that corresponds to “definition” and ḥaḳīḳat that he used together with it as collectively exhaustive, mutually exclusive, Ibn Sharwīn defines knowledge, power, living (ḥayy), speech (kalām), speaker (mutakallim), permanent (bāqī) etc. in a way that is true for both God and human beings. While making these definitions, he draws on poems, linguistic usages and verses and divides the nouns into three parts at the end of his work, namely linguistic, religious and conventional (sharʿī and waḍʿī); in particular, he gives detailed information about metaphors and parts of truth. Another striking aspect of the work is the explanation of the meanings of the imperative mood which is included in the subjects of the Methodology of Fiqh. (shrink)

In Islamic theological writings, under the heading of sustenance, the focus is generally on issues such as who is the provider of sustenance, whether haram is considered sustenance, and whether Allah’s consent exists for haram sustenance. Another issue that can be found between the lines of the subject of sustenance is whether it is haram for a person to work for sustenance or not. In fact, the pursuit of means of livelihood in order to sustain one’s life is, according to (...) the general and predominant acceptance of Muslim scholars, permissible and, in cases of necessity, wajib. According to a record in Uṣūl al-niḥal, during the formative period of itizālī thought, there were Mu‘tazilite sufis (ṣūfiyyat al-Muʿtazila) such as Bishr b. al-Mu‘tamir’s disciple Abū Imrān Mūsā b. al-Raqqāshī, al-Naẓẓām’s apostate disciple Fadl al-Hadathī, and Husayn al-Kūfī, about whom no information is available. These names, who seem to have earned their livelihood through almsgiving, defended the forbiddenness (taḥrīm al-makāsib) of all kinds of endeavour for sustenance, contrary to the acceptance of Muslim thinkers. However, it should be noted that for them, the forbiddenness in making an effort for sustenance does not cover the definition of sustenance, which is ‘all the benefits’, but only the effort in obtaining sustenance through means such as trade and agriculture. It is interesting to find such an extreme tendency among the Mu‘tazilites, who came to the fore with their rationalist discourses. “How could a Mu‘tazilite defend tahrīm al-makāsib?”, the issue of abandonment of striving for sustenance (tark al-makāsib), from which the idea of tahrīm al-makāsib is thought to have evolved, is mentioned, and then the Mu‘tazilite sufis views on tahrīm al-makāsib are tried to be based mainly on Mu‘tazilite sources and the criticisms of Mu‘tazilite authors against them are included. It has been determined that Mu‘tazilite sufis justifications for defending tahrīm al-makāsib concentrate on three points: (i) the absence of a just order due to the absence of a just imam and the possibility of supporting the oppressors (rulers) intentionally or unintentionally, and as a result of this, some of them describe the land of Islam as dār al-kufr, (ii) again in relation to the issue of imamate, in an environment where there is no justice, i.e. legal/moral order, the halāl and harām are so intertwined that they cannot be separated from each other, and in order to protect oneself from harām, the things that are subject to sustenance can only be purified through charity and become halāl, and (iii) the fact that trust in Allah is obligatory and any effort to pursue sustenance is contrary to tawakkul. The Mu‘tazilite authors criticised the proponents of tahrīm al-makāsib on the grounds that it is permissible to trade while maintaining a rational and ethical attitude, that one’s intention and interest in trade are important, and that tawakkul cannot be built on the right ground. As a result, the proponents of tahrīm al-makāsib disappeared because they could not gain a foothold in the Mu‘tazilite intellectual climate due to their erroneous reasoning. (shrink)

I propose a counterfactual theory of infinite regress arguments. Most theories of infinite regress arguments present infinite regresses in terms of indicative conditionals. These theories direct us to seek conditions under which an infinite regress generates an infinite inadmissible set. Since in ordinary language infinite regresses are usually expressed by means of infinite sequences of counterfactuals, it is natural to expect that an analysis of infinite regress arguments should be based on a theory of counterfactuals. The Stalnaker–Lewis theory of counterfactuals, (...) augmented with some fundamental notions from metric-spaces, provides a basis for such an analysis of infinite regress arguments. Since the technique involved in the analysis is easily adaptable to various analyses, it facilitates a rigorous comparison among conflicting philosophical analyses of any given infinite regress. (shrink)

This article addresses the problem of the impact of a major change in the "instrumentation space" of a given scientific domain. The domain under scrutiny is turbulent combustion. It has the peculcarcty of being developed, essentially since the 1940s, by the progressive interpenetration of two autonomous fields, the chemistry of combustion and the mechanics of turbulence. The analyzed change in instrumentation is a major one in that the new laser-based optical diagnostic techniques which, since the 1970s, invaded turbulent combustcon, allowed (...) for the first time the quantitative characterization of turbulent reacting flows. The impact of this new instrumentation on the relations between experimental and theoretical lines of work is analyzed. These relations concern both the global organization of the workplace and the scientific "division of labor" between theoreticians and experimentalists. The impact of the sudden availability of new experimental information on the cognitive structure of this borderland domain is also explored. (shrink)

Aiming to raise a human being in line with Allah's will, the sufi people applied to the Qur’an at every stage and gave it the necessary value. In order to benefit from the Qur'an much more, they did not neglect to explain it in line with their own perspectives and experiences, and they wrote many valuable isharī tafsir. In this context, they evaluated some practices and manners of sufism on the axis of the Qur'an and interpreted the relevant verses in (...) this direction. Parables, orders and prohibitions, advices, especially anecdotes, constituted the starting point of the practices in question. One of them is known as the Moses-Khidr story. These are the verses in the chapter of al-Kahf in which the journey of Moses in order to learn knowledge from Khidr and the events that happened to him are told. Within the framework of sufi etiquette, this story inspired the sufis. They tend to read and understand the anecdote in terms of sufi etiquette. We believe that it is a healthier approach to read this tendency as an effort to carry outnoble as much as possible, rather than evaluating it as forcing meanings from the verses. (shrink)

Muʻtazilite thinkers put forward the first systematic ideas for the relationship of essence and attributes, one of the most fundamental and complicated issues of Islamic theology, and comprehensive explanations to the question of God’s names. Although almost all the thinkers agreed on uṣūl al-khamsa, they differed in their approach to the principle of unity (tawḥīd). ‘Abbād b. Sulaymān, who lived in the period when these approaches emerged, is a scholar who reveals his distinctive view of God’s names and attributes in (...) which heslightly differs from his contemporaries such as Abu al-Hudhayl al-‘Allāf, Mu‘ammar b. ‘Abbād al-Sulamī and Ibrāhīm b. Sayyār al-Naẓẓām from the Basran Muʻtazila, by his extreme opinions on the Muʻtazilite principle of tawḥīd. He is one of thefour principle thinkers who presented original opinions in the early Basran Muʻtazila. Also he is the only known student of Hishâm al-Fuwaṭī and constitutes the last major circle of this tradition of knowledge that ended after him. This article aims to reveal the relationship between essence and attributes, the names and attributes of God in a holistic and systematic way in the thought of ‘Abbād b. Sulaymān. Unfortunately, his works have not survived to the present day and has not received the attention he deserves. Since his views were scattered in the classic books, our study was focused primarily on these classical sources. The modern literature was not ignored, either. The relevant records, analysis and criticism were re-contextualized. According to ‘Abbād b. Sulaymān, the view that “Allah is a thing” is the same with the view that “Allah is other (ghayr)”, he draws attention to a definite distinction between Allah and human beings. In his thought about the relationship between Allah and space, he rejects the idea that God could be related to space or anything spatial in order to refrain from an anthropomorphic conception of God. In the case of visibility (ru’ya) of Allah, he radically opposes the idea of “seeing Allah with the heart,” which was adopted by the majority of the Muʻtazila. He tries to solve the issue in his own terms by avoiding the terms essence (dhāt) and nafs in the relationship between God’s essence and His attributes. He reveals a unique classification of names and thus adopts the method of analogy. He does not accept essential attributes as the majority of the Mu’tazila did. On the other hand, he tacitly accepts that Allah’s names have their own meanings in a way that they are not merely words (aqvāl). By a true comparison or perfect analogy (fī ḥaqīqati’l-qıyās), while he rejects that God is ālim, qadīr etc., he tries to ground that human beings is ālim, qadīr etc. He does not admit that God is eternally samʻi and baṣīr. Without interpreting samʻi as His knowledge or baṣīr as His power, he accepts that each name has a distinctive functionality. He rejects the assumption that God knows conditionally. Regarding the issue of whether living beings are in the knowledge of Allah before they exist, it makes a dual distinction: “a direction that can be subject to the eternal knowledge” and “the direction in which it actually came to existence”. Because of his view of non-existent and creatures, Ibn al-Rāwandī and modern resources refer the view of the eternity of objects to him. However, when the relevant records are examined, it is seen that this claim is not valid. According to ‘Abbād, Allah is capable of creating possible things that he knows, although He does not create impossible things that he knows, even though He is capable of creating them potentially (bi-al-quwwa). Allah has not created evil, neither literally nor figuratively; so much so that He created only man, not faith and unbelief. It is not possible to talk about any good that he did not create. He defends the createdness of the Qur’an (Khalq al-Qur’ān) by saying that the Qur’ān was created of accidents. About God’s names, he states that God has the names indicating His relationship to the universe. He does not accept that in eternity He is a willing agent, creator etc. However, he also does not accept the otherwise. He emphasizes that creation is reserved only for Allah. On the other hand, according to him, Allah creates without secondary causes and thus does not create things for a specific purpose. Regarding the revealed attributes (or informative attributes, khabarī), he recites these expressions only when reading of the Quran.He states that these expressions should not be used for Allah under any circumstances. He avoids naming Allah as wakīl, kafīl, laṭīf, kā’in, fard and mutakallim as he says that the name wāḥid should be used only for praising Him. (shrink)

BackgroundThe coronavirus disease (COVID-19) pandemic has implications for health professionals.AimThe aim of this study was to explain the relationship between emotional labor levels and moral dis...

Fıkıh ve tasavvuf, bir insanın günlük yaşamı ile doğrudan alakalı olan iki disiplindir. Bundan dolayı İslam âlimleri, hemen her devirde bu iki alan arasında dinamik bir ilişkinin varlığını fark etmişler ve bu durumu daima göz önünde bulundurmuşlardır. Diğer taraftan söz konusu alanların temel kaynağının Kur’ân ve sünnet olması gerçeği de bu ilişkinin göz ardı edilememesinin nedenlerden biri olarak görülebilir. Bu minvalde çıkış noktaları itibariyle fıkhı ve tasavvufu bir araya getiren Kur’ân olduğu için, mutlaka ona yönelmek gerekir. Bu durumda, mevcut ahkâm (...) âyetlerinin mutasavvıflarca nasıl anlaşıldığı ve yorumlandığı hususu karşımıza çıkmaktadır. Meseleye teferruatlı bir şekilde vakıf olabilmek ve sağlıklı sonuçlara ulaşabilmek için onun, ancak bir işârî tefsir özelinde daha açık bir şekilde ele alınması gerekir. Bu sebeple makalede örnek bir İşârî tefsir olarak Ḳuşeyrî’nin Leṭâifü’l-işârât'ında müellifin ilgili âyetlere hangi İşârî anlamları verdiği ve bu sayede fıkıh tasavvuf ilişkisini nasıl kurduğu somut veriler ışığında tespit edilmeye çalışılmıştır. (shrink)

In this article, large technical systems are analyaed from three perspectives. First, the global characteristics of LTSs are emphasized, Second, LTSs are identified as those technical systems that are able to structure social perception of space and time. Finally, LTSs are defined as systems constituted at the interface of several subsystems. These claims are illustrated with several examples. More attention should be devoted to the interaction mechanisms between the various factors that shape the development patterns of LTSs. An approach based (...) on composition of factors is therefore stressed. (shrink)

Comment devient-on philosophe? Par quel sursaut un Aristoclès se fait-il Platon, jusqu'à s'imposer dans la liste des " auteurs philo " Il faut enquêter, non pas sur la vie privée, mais sur la vie intime : rumination intellectuelle, ton sur lequel on parle, motivations amoureuses... Ce qui fait un philosophe, c'est un immense travail sur soi, et la rencontre d'autres philosophes, vivants, de leurs problématiques. Mémoire sémantique + obsession métaphysique, voilà le code génétique du philosophe. Il débute par un attentat (...) religieux, puisqu'il commence sa carrière en niant tel ou tel sacré. Bien sûr, il vaut mieux être mâle, communiquer par les livres adopter la langue dominante, écrire quand on est célibataire. Comment gagner sa vie? Pas forcément en étant enseignant, comme c'est le cas aujourd'hui. Le profil du philosophe nous le révèle orphelin, vivant à l'étranger, souvent laid, jamais fou, et serial thinker, prêt à changer de philosophie pourvu qu'il reste, lui, à menacer le monde donnera ou donnera pas du sens à notre vie? Le philosophe est l'être inquiet qui pense inquiéter l'Être par deux trois mots bien aiguisés. (shrink)

While there are numerous doubts, controversies and lack of consensus on alternative definitions of human death, it is argued that it is more ethical to allow people to choose either cessation of cardio-respiratory function or loss of entire brain function as the definition of death based on their own views. This paper presents the law of organ transplantation in Japan, which allows people to decide whether brain death can be used to determine their death in agreement with their family. Arguably, (...) Japan could become a unique example of individual choice in the definition of death if the law is revised to allow individuals choose definition of death independently of their family. It suggests that such an approach is one of the reasonable policy options a country can adopt for legislation on issues related to the definition of death. (shrink)

How (Not) to Be Secular is what Jamie Smith calls "your hitchhiker's guide to the present" -- it is both a reading guide to Charles Taylor's monumental work A Secular Age and philosophical guidance on how we might learn to live in our times. Taylor's landmark book A Secular Age (2007) provides a monumental, incisive analysis of what it means to live in the post-Christian present -- a pluralist world of competing beliefs and growing unbelief. Jamie Smith's book is a (...) compact field guide to Taylor's insightful study of the secular, making that very significant but daunting work accessible to a wide array of readers. Even more, though, Smith's How (Not) to Be Secular is a practical philosophical guidebook, a kind of how-to manual on how to live in our secular age. It ultimately offers us an adventure in self-understanding and maps out a way to get our bearings in today's secular culture, no matter who "we" are -- whether believers or skeptics, devout or doubting, self-assured or puzzled and confused. This is a book for any thinking person to chew on. (shrink)

Extraterrestrial Altruism examines a basic assumption of the Search for Extraterrestrial Intelligence (SETI): that extraterrestrials will be transmitting messages to us for our benefit. This question of whether extraterrestrials will be altruistic has become increasingly important in recent years as SETI scientists have begun contemplating transmissions from Earth to make contact. Technological civilizations that transmit signals for the benefit of others, but with no immediate gain for themselves, certainly seem to be altruistic. But does this make biological sense? Should we (...) expect altruism to evolve throughout the cosmos, or is this only wishful thinking? Is it dangerous to send messages to other worlds, as Stephen Hawking has suggested, or might humankind benefit from an exchange with intelligence elsewhere in the galaxy? Would extraterrestrial societies be based on different ethical principles, or would we see commonalities with Earthly notions of morality? Extraterrestrial Altruism explores these and related questions about the motivations of civilizations beyond Earth, providing new insights that are critical for SETI. Chapters are authored by leading scholars from diverse disciplines—anthropology, astronomy, biology, chemistry, computer science, cosmology, engineering, history of science, law, philosophy, psychology, public policy, and sociology. The book is carefully edited by Douglas Vakoch, Director of Interstellar Message Composition at the SETI Institute and professor of clinical psychology at the California Institute of Integral Studies. The Foreword is by Frank Drake. This interdisciplinary book will benefit everybody trying to understand whether evolution and ethics are unique to Earth, or whether they are built into the fabric of the universe. (shrink)

Introduction: Conversion and the practice of transformation -- The philosophical structure of Jonathan Edwards's religious affections -- Habit, habit change, and conversion in C.S. Peirce -- Reconstructing faith : religious overcoming in Dewey's pragmatism -- Transforming obligation in William James -- Dwelling in absence: the reflective origin of conversion -- Creative transformation : the work of conversion -- The evasion of conversion in recent American philosophy.

Ludwig Wittgenstein (1889-1951) was an extraordinarily original thinker, whose influence on twentieth-century thinking far outside the bounds of philosophy alone. In this engaging Introduction, A.C. Grayling makes Wittgenstein's thought accessible to the general reader by explaining the nature and impact of Wittgenstein's views. He describes both his early and later philosophy, the differences and connections between them, and gives a fresh assessment of Wittgenstein's continuing influence on contemporary thought.

Background: The magnitude of bullying and harassment among psychiatrists is reportedly high, yet no peer-review published studies addressing this issue could be found. Therefore, it was decided to conduct a pilot study to assess the degree of the problem, the types of bullying/harassment and to provide some insights into the situation.Methods and Principal Findings: Following multiple focus group meetings, a yes/no response type questionnaire was developed to assess the degree and type of bullying and harassment experienced by psychiatrists. Over a (...) 3-month period the questionnaire was administered to a random sample of 60 psychiatrists. 57 out of the 60 psychiatrists reported harassment and bullying. Frequencies of the following response variables are presented in descending order: rumours 40% ; defamation 20% ; passing remarks 20% ; false accusations 15% ; threats 13.3% ; verbal abuse 13.3% ; unjustified complaints 13.3% ; promotion blocked 13.3% ; humiliation 13% ; bad reference given 10% ; credentials questioned 8.3% ; physical attacks 5% ; termination 5% ; derogatory remarks 1.7% and 1.7% were subjected to personal work. As a result of being subjected to harassment, 66.7% of the psychiatrists did not take any action, whereas 33.3% confronted the person they believed responsible. Asked whether the bullying and harassment caused distress, 18.3% of the psychiatrists did not report any effect, 30% reported mild distress, 40% moderate distress and severe distress was reported by 11.7%.Conclusions: It was concluded that the magnitude of bullying and harassment among psychiatrists may be quite high, as evidenced by this pilot study. There is a need for extensive systematic studies on this subject and to establish strategies to prevent and address this issue at a national and regulatory level. (shrink)

The urgency of the research topic is that the theoretical and methodological principles of psychology of managerial activity of the head in the conditions of the information society help to increase the levers of management and guidance. The purpose of management - the receipt of the desired result, which must be obtained after the actions of the management of the head as the main operating force, which is heading for transformations, tries to increase the self-governing principle in the organization. The (...) problem of research is that for effective management it is necessary to develop reliable mechanisms for the identification and development of manager's abilities, to increase the level of professionalism and competence of the head to the highest level, so that the management organism does not disorient. A person who works as a specialist, a professional, a competent person can be qualified to carry out the work of a manager. The hypothesis is put forward that the manager of a high level of professionalism and competence is able to form the psychological foundations of the organization, so that it worked as a single social organism. The task of the research is to analyze the psychological foundations of management activity in the conditions of the information society, which would allow the most optimal management of a particular organization. The methodological foundations of the psychology of management as the basis of effective leadership include methods of cultural development, which are used to solve the problems of organization, the formation of psychological culture, devoid of conflicts, contradictions, disasters. Methodological basis of scientific research of psychological principles of administrative activity as the basis of effective management are methods, such as system, structural, structural-functional, historical, comparative, which allow to achieve a higher level of organization and self-organization at the expense of skilful leadership. Therefore, the manager must use the whole set of methods, techniques, algorithms of actions, techniques, methods of achieving certain results that will lead to the management of a high level. It is concluded that the determinants of the optimization of the managerial psychology of the head is a model aimed at regulating relationships, which would use the resources of the information society, which is based on high information provision for improving the efficiency of management work. (shrink)

This introduction to the basic ideas of structural proof theory contains a thorough discussion and comparison of various types of formalization of first-order logic. Examples are given of several areas of application, namely: the metamathematics of pure first-order logic (intuitionistic as well as classical); the theory of logic programming; category theory; modal logic; linear logic; first-order arithmetic and second-order logic. In each case the aim is to illustrate the methods in relatively simple situations and then apply them elsewhere in much (...) more complex settings. There are numerous exercises throughout the text. In general, the only prerequisite is a standard course in first-order logic, making the book ideal for graduate students and beginning researchers in mathematical logic, theoretical computer science and artificial intelligence. For the new edition, many sections have been rewritten to improve clarity, new sections have been added on cut elimination, and solutions to selected exercises have been included. (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)

The Problem of Perception offers two arguments against direct realism--one concerning illusion, and one concerning hallucination--that no current theory of ...

One of Hume's most well-known works and a masterpiece of philosophy, A Treatise of Human Nature is indubitably worth taking the time to read.

The philosophy of Epictetus, a freed slave in the Roman Empire, has been profoundly influential on Western thought: it offers not only stimulating ideas but practical guidance in living one's life. A. A. Long, a leading scholar of later ancient philosophy, gives the definitive presentation of the thought of Epictetus for a broad readership. Long's fresh and vivid translations of a selection of the best of Epictetus' discourses show that his ideas are as valuable and striking today as they were (...) amost two thousand years ago. This is a book for anyone interested in what we can learn from ancient philosophy about how to live our lives. (shrink)

In this article, we present results from a literature review of intrinsic, instrumental, and relational values of nature conducted for the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services, as part of the Methodological Assessment of the Diverse Values and Valuations of Nature. We identify the most frequently recurring meanings in the heterogeneous use of different value types and their association with worldviews and other key concepts. From frequent uses, we determine a core meaning for each value type, which is (...) sufficiently inclusive to serve as an umbrella over different understandings in the literature and specific enough to help highlight its difference from the other types of values. Finally, we discuss convergences, overlapping areas, and fuzzy boundaries between different value types to facilitate dialogue, reduce misunderstandings, and improve the methods for valuation of nature's contributions to people, including ecosystem services, to inform policy and direct future research. © 2023 The Author(s). Published by Oxford University Press on behalf of the American Institute of Biological Sciences. (shrink)

Provability, Computability and Reflection.

We apply Hrushovski-Fraïssé's amalgamation procedure to obtain a theory of fields of prime characteristic of Morley rank 2 equipped with a definable additive subgroup of rank 1.