In 1956, a few writings of Wittgenstein that he didn't publish in his lifetime were revealed to the public. These writings were gathered in the book Remarks on the Foundations of Mathematics (1956). There, we can see that Wittgenstein had some discontentment with the way philosophers, logicians, and mathematicians were thinking about paradoxes, and he even registered a few polemic reasons to not accept Gödel’s incompleteness theorems.

Community has been both celebrated and demonized as a fortress that shelters and defends its members from being exposed to difference. Instead of abandoning community as an antiquated model of relationships that is ill suited for our globalized world, this book turns to the writings of Giorgio Agamben, Roberto Esposito, and Jean-Luc Nancy in search for ways to rethink community in an open and inclusive manner. Greg Bird argues that a central piece of this task is found in how each (...) philosopher rearticulates community not as something that is proper to those who belong and improper to those who are excluded or where inclusion is based on one’s share in common property. We must return to the forgotten dimension of sharing, not as a sharing of things that we can contain and own, but as a process that divides us up and shares us out in community with one another. This book traces this problem through a wide array of fields ranging from biopolitics, communitarianism, existentialism, phenomenology, political economy, radical philosophy, and social theory. (shrink)

This paper discusses the prospects of a dispositional solution to the Kripke–Wittgenstein rule-following puzzle. Recent attempts to employ dispositional approaches to this puzzle have appealed to the ideas of finks and antidotes—interfering dispositions and conditions—to explain why the rule-following disposition is not always manifested. We argue that this approach fails: agents cannot be supposed to have straightforward dispositions to follow a rule which are in some fashion masked by other, contrary dispositions of the agent, because in all cases, at least (...) some of the interfering dispositions are both relatively permanent and intrinsic to the agent. The presence of these intrinsic and relatively permanent states renders the ascription of a rule-following disposition to the agent false. (shrink)

This paper objectively defines the three main contemporary philosophies of mathematics: formalism, logicism, and intuitionism. Being the three leading scientists of each: Hilbert (formalist), Frege (logicist), and Poincaré (intuitionist).

It is undeniable Poincaré was a very famous and influential scientist. So, possibly because of it, it was relatively easy for him to participate in the heated discussions of the foundations of mathematics in the early 20th century. We can say it was “easy” because he didn't get involved in this subject by writing great treatises, or entire books about his own philosophy of mathematics (as other authors from the same period did). Poincaré contributed to the philosophy of mathematics by (...) writing short essays and letters. (shrink)

Husserl came over to philosophy from mathematics and he devoted many years to the formulation of a firm foundation for Philosophy that could even secure the status of "science" for it. But unlike some of his contemporaries (like Frege and Russell), he did not seek salvation for philosophy in the mathematical method. He argued philosophy (like any other field of study) should pay attention to uninterpreted basic experience and this would lead the way to understanding the essence of things. Essence, (...) then, would become conscious and this process was addressed by him as “phenomenological reduction.”. (shrink)

Review of Gerhard Schurz's Philosophy of Science - A Unified Approach. Routledge, Abingdon 2014.

Bird species identification plays a vital role in biodiversity conservation and ecological studies, offering insights into habitat health and species distribution. Traditional methods for identifying bird species are time-intensive and prone to human error, necessitating automated solutions. This project, Bird Species Identification Using Deep Learning, proposes an advanced system leveraging the power of deep learning to accurately identify bird species from images. The system utilizes a convolutional neural network (CNN), renowned for its proficiency in image classification tasks. A dataset comprising (...) diverse bird species images is preprocessed and augmented to enhance model robustness and generalization. The model architecture is designed to extract intricate features, enabling accurate identification even in challenging scenarios such as varying lighting conditions, occlusions, or similar species appearances. The model's performance is evaluated using metrics such as accuracy, precision, recall, and F1-score, ensuring comprehensive validation. Results indicate significant accuracy improvements over traditional machine learning approaches, demonstrating the potential of deep learning in species identification. This project holds promise for applications in wildlife monitoring, ecological research, and educational tools, promoting awareness and conservation efforts. Future work may include integrating the system into mobile applications or deploying it for real-time bird species identification in field conditions. (shrink)

Kingfishers are a family, the Alcedinidae, of small to medium-sized, brightly colored birds in the order Coraciiformes. They have a cosmopolitan distribution, with most species found in the tropical regions of Africa, Asia, and Oceania, but also can be seen in Europe.

This study sets out to examine the ways Nigerian cyber-fraudsters (Yahoo-Boys) are represented in hip-hop music. The empirical basis of this article is lyrics from 18 hip-hop artists, which were subjected to a directed approach to qualitative content analysis and coded based on the moral disengagement mechanisms proposed by Bandura (1999). While results revealed that the ethics of Yahoo-Boys, as expressed by musicians, embody a range of moral disengagement mechanisms, they also shed light on the motives for the Nigerian cybercriminals' (...) actions. Further analysis revealed additional findings: “glamorization/de-glamorization of cyber-fraud” and “sex-roles-and-cultures”. Having operated within the constraint of what is currently available (a small sample size), this article has drawn attention to the notion that Yahoo-Boys and some musicians may be “birds of a feather.” Secondly, it has exposed a “hunter-and-antelope-relationship” between Yahoo-Boys and their victims. Thirdly, it has also highlighted that some ethos of law-abiding citizens is central to Yahoo-Boys’ moral enterprise. Yahoo-Boys, therefore, represent reflections of society. Arguably, given that Yahoo-Boys and singers are connected, and the oratory messages of singers may attract more followers than questioners, this study illuminates the cultural dimensions of cyber-fraud that emanate from Nigeria. In particular, insights from this study suggest that cyber-fraud researchers might look beyond traditional data sources (e.g., cyber-fraud statistics) for the empirical traces of “culture in action” that render fraudulently practices acceptable career paths for some Nigerian youths. (shrink)

This essay is concerned with Graham Bird’s treatment, in The Revolutionary Kant, of Kant’s mathematical antinomies. On Bird’s interpretation, our error in these antinomies is to think that we can settle certain issues about the limits of physical reality by pure reason whereas in fact we cannot settle them at all. On the rival interpretation advocated in this essay, it is not true that we cannot settle these issues. Our error is to presuppose that the concept of the unconditioned has (...) application to physical reality. Once this presupposition has been abandoned, we can retrieve sound arguments from the antinomies, not indeed to demonstrate that the views originally being defended are correct, but to demonstrate that the views originally being attacked are incorrect. The essay concludes with some comments concerning how this disagreement relates to a broader disagreement about the best way to understand Kant. (shrink)

Bird conservation is a field in the science of conservation biology related to threatened birds. Humans have had a profound effect on many bird species.

As mounting evidence highlights the human-driven extinction of avian species, reconnecting people with nature—particularly these feathered creatures—has become essential for engaging the public in conservation and the preservation of avian biodiversity. Paradoxically, heightened awareness of the benefits birds bring has fueled the rise of aviary bird-keeping for entertainment in Vietnam. This paper seeks to unravel the absurdity of bird keepers who claim to love nature and support conservation while engaging in practices that exploit and commodify birds for human (...) interests. By contrasting the values generated by birds in aviaries with those in their natural habitats, it underscores the role of an eco-deficit culture—or, more fundamentally, humanity's insatiable greed—in fostering this absurd form of "nature love.". (shrink)

Amid accelerating ecological degradation and biodiversity loss, the framework of biocultural conservation has gained increasing recognition. This approach weaves together scientific knowledge and Indigenous & Local Knowledge (I&LK) to promote sustainability and environmental justice. In a comprehensive review, Araneda et al. (2025) examined global research trends from 2000 to 2023, focusing on how wetland birds are represented within this emerging conservation paradigm and identifying key gaps in the literature.

Amid escalating threats to biodiversity, Lima, Alvarado, and Araujo (2025) explored how different landscape features influence bird diversity in Brazil’s Caatinga—the largest tropical dry forest in South America. Their study examined two key measures of biodiversity: α-diversity, which reflects species richness within local sites, and β-diversity, which captures variation in species composition across different sites. Specifically, they investigated how these biodiversity dimensions respond to forest cover, landscape heterogeneity, and the spatial configuration of habitats within agricultural landscapes.

David E. Cooper proposes that the ”mystery’ of ”reality as it “anyway‘ is, independently of human perspective’ provides measure for the leading of our lives and thus avoids, on the one hand, the hubris of a humanism for which moral life is the product of the human will and has no warrant beyond it, and, on the other, a theism which appears to be at once too remote from and too close to the human world to provide any such warrant. (...) The paper rejects the role this gives to ”mystery’ and locates ”warrant’ in a moral perspective that is not the product of will. (shrink)

This is a review of Alexander Bird's book on Thomas Kuhn.

I argue that the main theme of the Zhuangzi is that of spiritual transformation. If there is no such theme in the Zhuangzi, it becomes an obscure text with relativistic viewpoints contradicting statements and stories designed to lead the reader to a state of spiritual transformation. I propose to reveal the coherence of the deep structure of the text by clearly dividing relativistic statements designed to break down fixed viewpoints from statements, anecdotes, paradoxes and metaphors designed to lead the reader (...) to a state of spiritual transformation. Without such an analysis, its profound stories such as the butterfly dream and the Great Sage dream will blatantly contradict each other and leave us bereft of the wisdom they presage. Unlike the great works of poetic and philosophic wisdom such as the Dao de Jing and the Symposium, the Zhuangzi will be reduced to a virtually unintelligible, lengthy, disjointed literary ditty, a potpourri of paradoxical puzzles, puns and parables, obscure philosophical conundrums, monstrous interlocutors and historical personages used as mouthpieces authoritatively arguing on behalf of viewpoints humorously opposite to what they historically held. (shrink)

A part of the scientific literature consists of intermediate results within a longer project. Scientists often publish a first result in the course of their work, while aware that they should soon achieve a more advanced result from this preliminary result. Should they follow the proverb “a bird in the hand is worth two in the bush”, and publish any intermediate result they get? This is the normative question addressed in this paper. My aim is to clarify, to refine, and (...) to assess informal arguments about the choice whether to publish intermediate results. To this end, I adopt a rational decision framework, supposing some utility or preferences, and I propose a formal model. The best publishing strategy turns out to depend on the research situation. In some simple circumstances, even selfish and short-minded scientists should publish their intermediate results, and should thus behave like their altruistic peers, i. e. like society would like them to behave. In other research situations, with inhomogeneous reward or difficulty profiles, the best strategy is opposite. These results suggest qualified philosophical morals. (shrink)

-/- Species lists play an important role in biology and practical domains like conservation, legislation, biosecurity and trade regulation. However, their effective use by non-specialist scientific and societal users is sometimes hindered by disagreements between competing lists. While it is well-known that such disagreements exist, it remains unclear how prevalent they are, what their nature is, and what causes them. In this study, we argue that these questions should be investigated using methods based on taxon concept rather than methods based (...) on Linnaean names, and use such a concept-based method to quantify disagreement about bird classification and investigate its relation to research effort. We found that there was disagreement about 38% of all groups of birds recognized as a species, more than three times as much as indicated by previous measures. Disagreement about the delimitation of bird groups was the most common kind of conflict, outnumbering disagreement about nomenclature and disagreement about rank. While high levels of conflict about rank were associated with lower levels of research effort, this was not the case for conflict about the delimitation of bird groups. This suggests that taxonomic disagreement cannot be resolved simply by increasing research effort. (shrink)

Our Earth’s climate is changing. Any species living in the Earth’s ecosystem need to thrive to adapt to the new living conditions. Otherwise, extinction will be their outcome. In the race for adaptation, waterbirds (Aequorlitornithes), such as penguins, cormorants, and alcids, seem disadvantageous.

The essay discusses the meaning of 'A story of a bird named Bìm Bịp', Vietnamese traditional folklore. Through contradiction between a bandit and a monk, the meaning of lies, violence, and enlightenment is being told.

In my book *Resemblance Nominalism* I argued that the truthmakers of ´a and b resemble each other´ are just a and b. In his "Resemblance Nominalism and counterparts" Alexander Bird objects to my claim that the truthmakers of ´a and b resemble each other´ are just a and b. In this paper I respond to Bird´s objections.

In a recent paper (Bird 2001), Alexander Bird argues that the law that common salt dissolves in water is metaphysically necessary - and he does so without presupposing dispositionalism about properties. If his argument were sound, it would thus show that at least one law of nature is meta- physically necessary, and it would do so without illicitly presupposing a position (dispositionalism) that is already committed to a necessitarian view of laws. I shall argue that Bird's argument is unsuccesful.

Reading these stories felt like stepping into a vibrant little universe where cheeky birds mirror our own quirks. The blend of Vietnamese folklore and modern humor made it both nostalgic and refreshingly new. Kingfisher’s wit struck me as a playful echo of Aesop’s timeless lessons, yet with a distinctly original twist. I loved how each brief tale entertained me on the surface while nudging me to ponder deeper truths. It’s a perfect pick for anyone seeking a gentle escape that (...) still packs a surprising dose of insight. (shrink)

As urbanization happens, more and more buildings are built, leading to the increasing deaths of birds due to collisions with buildings, especially in the United States (US). According to a systematic estimate based on 26 datasets from North America, around 365 and 988 million birds are killed annually by crashing into buildings in the US. Collisions with low-rise buildings (4 to 11 stories tall) account for the highest proportion of mortality, with 56%.

Bird species identification plays a vital role in biodiversity conservation and ecological studies, offering insights into habitat health and species distribution. Traditional methods for identifying bird species are time-intensive and prone to human error, necessitating automated solutions. This project, Bird Species Identification Using Deep Learning, proposes an advanced system leveraging the power of deep learning to accurately identify bird species from images. The system utilizes a convolutional neural network (CNN), renowned for its proficiency in image classification tasks. A dataset comprising (...) diverse bird species images is preprocessed and augmented to enhance model robustness and generalization. (shrink)

Bird species identification plays a vital role in biodiversity conservation and ecological studies, offering insights into habitat health and species distribution. Traditional methods for identifying bird species are time-intensive and prone to human error, necessitating automated solutions. This project, Bird Species Identification Using Deep Learning, proposes an advanced system leveraging the power of deep learning to accurately identify bird species from images. The system utilizes a convolutional neural network (CNN), renowned for its proficiency in image classification tasks. A dataset comprising (...) diverse bird species images is preprocessed and augmented to enhance model robustness and generalization. (shrink)

Biodiversity—the immense variety of life on Earth—is fundamental to sustaining healthy ecosystems and supporting human well-being. However, many river systems around the world have experienced alarming biodiversity declines due to human-induced pressures. The Yangtze River Basin (YRB), the largest river system in China and a global biodiversity hotspot, is no exception. In recent decades, rapid urbanization, widespread deforestation, and wetland degradation have significantly threatened the region’s bird populations and other wildlife.

Cities are expanding rapidly, often to the detriment of natural ecosystems. This growth typically involves transforming landscapes into impervious surfaces—roads, buildings, and parking lots—which fundamentally alter the environment. A recent study by Corsini and Szulkin (2025) provides compelling evidence that such “concretization” significantly undermines the reproductive success of two familiar European birds: the great tit (Parus major) and the blue tit (Cyanistes caeruleus).

Restoring native woodlands within agricultural landscapes has become a central strategy for addressing biodiversity loss and climate change. Yet, ensuring such efforts are both ecologically effective and economically viable remains a pressing challenge. In a recent study, Dobson et al. (2025) integrate ecological and economic modeling to evaluate how varying woodland planting strategies influence woodland bird populations in England over a century-long timeframe.

The model's performance is evaluated using metrics such as accuracy, precision, recall, and F1-score, ensuring comprehensive validation. Results indicate significant accuracy improvements over traditional machine learning approaches, demonstrating the potential of deep learning in species identification. This project holds promise for applications in wildlife monitoring, ecological research, and educational tools, promoting awareness and conservation efforts. Future work may include integrating the system into mobile applications or deploying it for real-time bird species identification in field conditions.

Metaphysics, one of the most venerable branches of philosophy, investigates the fundamental nature of being and existence, as well as the structure and laws of reality. This field, significantly shaped by the works of Plato and Aristotle, attributes truth either to universals (Plato’s perspective) or to the essences of particulars (Aristotle’s perspective). This paper explores Neo-Aristotelian metaphysics, integrating and reinterpreting Aristotle’s classical metaphysical understanding in contemporary philosophical discussions. Neo-Aristotelian metaphysics reconfigures Aristotle’s classical concepts in light of modern scientific and philosophical (...) developments. In this context, the approaches of Ellis’s "Scientific Essentialism," Oderberg’s "Real Essentialism," and Bird’s "Dispositional Essentialism" are examined. Dispositional essentialism posits that the essences of entities can be defined by their dispositions and capacities. Alexander Bird argues that natural laws reflect the dispositions of entities, explaining how entities behave under certain conditions. Neo-Aristotelian metaphysics bridges metaphysical realism and naturalism by emphasizing the essences and natures of entities. This paper investigates the principles of dispositional essentialism and Neo-Aristotelian metaphysics, highlighting their contributions and significance in contemporary metaphysical debates. Furthermore, it underscores that the prominence of these approaches today results from their successful integration of modern scientific findings with classical metaphysical principles. By focusing on the essences and potentialities of entities, Neo-Aristotelian metaphysics and dispositional essentialism offer a more comprehensive and coherent metaphysical perspective. These approaches reflect modern philosophy's dynamic nature while revealing classical thought's timeless value. Keywords: Neo-Aristotelianism, Dispositional Essentialism, Metaphysics of Science, Regularity, Laws of Nature. (shrink)

The system utilizes a convolutional neural network (CNN), renowned for its proficiency in image classification tasks. A dataset comprising diverse bird species images is preprocessed and augmented to enhance model robustness and generalization. The model architecture is designed to extract intricate features, enabling accurate identification even in challenging scenarios such as varying lighting conditions, occlusions, or similar species appearances. The model's performance is evaluated using metrics such as accuracy, precision, recall, and F1-score, ensuring comprehensive validation. Results indicate significant accuracy improvements (...) over traditional machine learning approaches, demonstrating the potential of deep learning in species identification. This project holds promise for applications in wildlife monitoring, ecological research, and educational tools, promoting awareness and conservation efforts. Future work may include integrating the system into mobile applications or deploying it for real-time bird species identification in field conditions. (shrink)

The model architecture is designed to extract intricate features, enabling accurate identification even in challenging scenarios such as varying lighting conditions, occlusions, or similar species appearances. The model's performance is evaluated using metrics such as accuracy, precision, recall, and F1-score, ensuring comprehensive validation. Results indicate significant accuracy improvements over traditional machine learning approaches, demonstrating the potential of deep learning in species identification. This project holds promise for applications in wildlife monitoring, ecological research, and educational tools, promoting awareness and conservation efforts. (...) Future work may include integrating the system into mobile applications or deploying it for real-time bird species identification in field conditions. (shrink)

*Editorial Note: This column reprints the Book Review on Amazon with permission from Dr. Giang Hoang, Monash University, Australia. It has been slightly edited for house-style presentation.

Scientists have been arguing for more than 25 years about whether it is a good idea to collect voucher specimens from particularly vulnerable biological populations. Some think that, obviously, scientists should not be harvesting organisms from, for instance, critically endangered species. Others think that, obviously, it is the special job of scientists to collect precisely such information before any chance of retrieving it is forever lost. The character, extent, longevity, and span of the ongoing disagreement indicates that this is likely (...) to be a hard problem to solve. Nonetheless, the aim of this paper is to help field biologists figure out what do to when collecting a voucher specimen risks extinction. Here I present and assess varying practices of specimen collection for both extant and extinct species in order to compare and contrast cases where extinction risk both is and is not a problem. When it comes to taking vouchers from extant species at some risk of extinction, I determine that those advocating for conservative approaches to collection as well as those advocating for liberal information-gathering practices have good reasons to assess things in the way they each do. This means that there is unlikely to be a decisive, one-size-fits-all response to this problem. Still, progress can be made. We can acknowledge the risks of proceeding in either manner, as well as the uncertainty about how best to proceed. We can proceed as thoughtfully as possible, and be ready to articulate a rationale for whichever procedure is used in any particular case. (shrink)

Interpretation of feminist literature with the help of Capability approach unveils different possibilities. It authenticates the truth of the capability theory that stands for the empowerment of human beings. It underlines the necessity of individual and collective journey of women for their liberation. It brings forward the role of personal narrative while aiming for emancipation. Moreover, the approach offers a better way of interpreting feminist literature which reveals the shattered and shining aspects of women’s existence.

Amazon Book Review Series of “Wild Wise Weird”.

GILBERT JEAN FACCARELLO (Paris, 1950) is professor of economics at Université Panthéon-Assas, Paris, and a member of the Triangle research centre (École Normale Supérieure de Lyon and CNRS). He is presently chair of the ESHET Council (European Society for the History of Economic Thought). He completed his doctoral research in economics at Université de Paris X Nanterre. He has previously taught at the Université de Paris-Dauphine, Université du Maine and École Normale Supérieure de Fontenay/Saint-Cloud (now École Normale Supérieure de Lyon). (...) He is a co-founder of The European Journal of the History of Economic Thought, which he co-edited for 20 years with J. L. Cardoso, Heinz D. Kurz, and A. Murphy. With Alain Béraud, he edited the Nouvelle histoire de la pensée économique (La Découverte, 3 volumes, 1992-2000) and, together with Heinz D. Kurz, he is presently editing a Handbook of the History of Economic Analysis (3 volumes, forthcoming with Edward Elgar). -/- EJPE interviewed Gilbert Faccarello about his research career in the history of economic thought, where he has focused especially on old and new classical and Marxian political economy, and French political economy during the 18th and 19th centuries. G. Faccarello discusses his interest not only in the logical structure and context of the economic ideas of past thinkers but also the links between economic thought, philosophy, and religion. (shrink)

Amazon Book Review Series of “Wild Wise Weird”.

Amazon Book Review Series of “Wild Wise Weird”.

"Wild Wise Weird: The Kingfisher Story Collection" by Quan-Hoang Vuong is a remarkable collection of fables that views the world through the perspective of a sharp-witted, sometimes arrogant kingfisher. The stories are humorous, satirical, and thought-provoking.

One of the great challenges for students of any discipline is to be able to put into practice the knowledge learned in theory. Public health does not escape this challenge. Research Methods for Public Health is a book that seeks to help students understand in a simple way how to enter into the practice of public health research. This book stands out for its easy reading, but especially because it emphasizes the existence of quantitative and qualitative methods, as well as (...) the combination of both methods. On the other hand, the authors show between the lines, and sometimes more clearly, the importance of teamwork in research groups, a key element to avoid errors, validate procedures or instruments and increase the reliability of the results, as well as the importance of criteria of validity, reliability, precision, relevance, transparency and credibility, among others. -/- Uno de los grandes retos para los estudiantes de cualquier disciplina es poder poner en práctica los conocimientos aprendidos en la teoría. La salud pública no se escapa de este desafío. Research Methods for Public Health es un libro que busca ayudar a comprender de manera sencilla cómo introducirse en la práctica de la investigación en salud pública. Este libro se destaca por su fácil lectura, pero especialmente porque pone el énfasis en la existencia de los métodos cuantitativos y cualitativos, así como en la combinación de ambos métodos. Por otro lado, los autores dejan ver entrelíneas, y a veces más claramente, la importancia del trabajo en equipo en los grupos de investigación, elemento clave para evitar errores, validar procedimientos o instrumentos y aumentar la confia-bilidad de los resultados, así como la importancia de criterios de validez, confiabilidad, precisión, relevancia, transparencia y credibilidad, entre otros. (shrink)

Alexander Bird (2001; 2002; 2007) offers a powerful argument showing that, regardless of whether necessitarianism or contingentism about laws is true, salt necessarily dissolves in water. The argument is that the same laws of nature that are necessary for the constitution of salt necessitate the solubility of salt. This paper shows that Bird’s argument faces a serious objection if the possibility of emergentism – in particular, C. D. Broad’s account – is taken into account. The idea is (roughly) that some (...) emergent laws in some possible worlds may disrupt the solubility of salt without disrupting its constitution. (shrink)

Alexander Bird argues for an epistemic account of scientific progress, whereas Darrell Rowbottom argues for a semantic account. Both appeal to intuitions about hypothetical cases in support of their accounts. Since the methodological significance of such appeals to intuition is unclear, I think that a new approach might be fruitful at this stage in the debate. So I propose to abandon appeals to intuition and look at scientific practice instead. I discuss two cases that illustrate the way in which scientists (...) make judgments about progress. As far as scientists are concerned, progress is made when scientific discoveries contribute to the increase of scientific knowledge of the following sorts: empirical, theoretical, practical, and methodological. I then propose to articulate an account of progress that does justice to this broad conception of progress employed by scientists. I discuss one way of doing so, namely, by expanding our notion of scientific knowledge to include both know-that and know-how. (shrink)

Bird reveals an important problem at the heart of Armstrong’s theory of laws of nature: to explain how a law necessitates its corresponding regularity, Armstrong is committed to a vicious regress. In his very brief response, Armstrong gestures towards an argument that, as he admits, is more of a “speculation.” Later, Barker and Smart argue that a very similar problem threatens Bird’s dispositional monist theory of laws of nature and he is committed to a similar vicious regress. In this paper, (...) first, I construct Armstrong’s would-be argument in response to Bird. Second, I argue that his response makes his account of laws and natural properties incompatible with science. Finally, I argue that Armstrong’s strategy to address Bird’s criticism can be used, quite ironically, to defuse Barker and Smart’s argument against Bird. (shrink)

Bird argues that Armstrong’s necessitarian conception of physical modality and laws of nature generates a vicious regress with respect to necessitation. We show that precisely the same regress afflicts Bird’s dispositional-monist theory, and indeed, related views, such as that of Mumford & Anjum. We argue that dispositional monism is basically Armstrongian necessitarianism modified to allow for a thesis about property identity.

The paper aims to elucidate in better detail than before the dispute about whether or not dispositional monism—the view that all basic properties are pure powers—entails a vicious infinite regress. Particular focus is on Alexander Bird's and George Molnar's attempts to show that the arguments professing to demonstrate a vicious regress are inconclusive because they presuppose what they aim to prove, notably that powers are for their nature dependent on something else. I argue that Bird and Molnar are mistaken. It (...) is true that dispositional monism is popularly assumed to characterize powers as dependent entities, but this is not what the arguments aim to prove. They merely aim to demonstrate that it would be absurd to assume that all properties are dependent in this way. Finally, it is argued that there is an unresolved tension in Bird's and Molnar's accounts of powers. They characterize them as being for their nature dependent on the manifestations that they are for, and yet ontologically independent of those same manifestations. Until that tension is resolved, their accounts are not equipped to remove the threat of vicious regress. (shrink)