We present a model for studying communities of epistemically interacting agents who update their belief states by averaging the belief states of other agents in the community. The agents in our model have a rich belief state, involving multiple independent issues which are interrelated in such a way that they form a theory of the world. Our main goal is to calculate the probability for an agent to end up in an inconsistent belief state due to updating. To that end, (...) an analytical expression is given and evaluated numerically, both exactly and using statistical sampling. It is shown that, under the assumptions of our model, an agent always has a probability of less than 2% of ending up in an inconsistent belief state. Moreover, this probability can be made arbitrarily small by increasing the number of independent issues the agents have to judge or by increasing the group size. A real-world situation to which this model applies is a group of experts participating in a Delphi-study. (shrink)

The resources and resource potential of the innovative component of nanoeconomics are analyzed. The factors of production – classical types of resources such as land, labor, capital and technology – are described. Ways of influencing the security resources of nanoeconomics within the innovation paradigm are evaluated. The purpose of the study is to identify the factor of nanoeconomics in the formation of resource security potential in the innovation paradigm. To achieve this goal, the following tasks were set: to characterize the (...) importance of the land resource as a factor in the potential of economic nanosystems; to highlight the importance of capital as a factor of nanoproduction and an indicator of the innovation paradigm; to determine the labor resource in the development of innovative nanosystems; to analyze the intellectual potential of nanoeconomic development of the innovation paradigm; to identify clusters of innovative nanopotential in the regions of countries with transition economies. Each resource is examined separately with the first analysis of a resource security assessment such as land. The other resource under consideration is labor. Demographic factors become decisive in describing the development of labor resources. The capital factor allows the formation of independent economic systems, when the state budget affects the possibility of developing science, education and health care. A number of methods were applied during the study: methods of induction and deduction (to assess the importance of the innovation paradigm for the development of nanoeconomics); system analysis and structural approach (to determine the aggregate state of production factors); method of comparing the quality of production factors in market economies and in developed countries; an observation method (for assessing the state of resources in different countries); method of cluster analysis (to determine the existence of innovation-territorial regions in countries with economies in transition). The analysis is carried out to identify the conditions of the impact of production factors on the innovative paradigm of nanoeconomics. It reveals theoretical approaches to the formation of nanoeconomics and its active development. As a result of the study of intellectual and resource potential of security, a cluster analysis was carried out to assess the conditions for the formation of innovation-territorial regions. This study allows to understand the role of production security factors in the formation of the innovation paradigm and the efficiency of the development of nanoeconomics. The way of providing the basis for the development of nanoeconomics in the form of efficient use of production factors is considered as a perspective. (shrink)

: A popular belief is that the process whereby search engines tailor their search results to individual users, so-called personalization, leads to filter bubbles in the sense of ideologically segregated search results that would tend to reinforce the user’s prior view. Since filter bubbles are thought to be detrimental to society, there have been calls for further legal regulation of search engines beyond the so-called Right to be Forgotten Act. However, the scientific evidence for the filter bubble hypothesis is surprisingly (...) limited. Previous studies of personalization have focused on the extent to which different users get different results lists without taking the content on the webpages into account. Such methods are unsuitable for detecting filter bubbles as such. In this paper, we propose a methodology that takes content differences between webpages into account. In particular, the method involves studying the extent to which users with strong opposing views on an issue receive search results that are correlated content-wise with their personal view. Will users of with strong prior opinion that X is true on average have a larger share of search results that are in favor of X than users with a strong prior opinion that X is false? We illustrate our methodology at work, but also the non-trivial challenges it faces, by a small-scale study of the extent to which Google Search leads to ideological segregation on the issue of man-made climate change. (shrink)

The growth of urban violence in Brazil, as in other countries, has led citizens to demand more severe and punitive measures to solve the problem of juvenile crime. One motion submitted to the Brazilian parliament, for instance, proposes to reduce the age of penal majority from 18 to 16 years. Our hypothesis is that popular opinions about this proposal are largely constrained by construal levels and psychological distance. Accordingly, we expect that the knowledge and proximity to the circumstances associated with (...) juvenile transgression will influence opinions about the proposal. To test this hypothesis, we evaluated how opinion against or for the proposal can be explained by psychological distance and moral development theory. We studied two samples, composed of people who do not have a deep experience with the subject and workers from a juvenile justice court. After collecting socio-demographic information from the subjects and their answer to moral dilemmas, the data was subjected to a multivariate analysis by multimodal logistic regression for socio-demographic characteristics, Kohlberg moral stages, and opinion on the reduction of APM as dependent variables. Our findings suggest that 1) opinion about the APM depends on psychological distance and 2) socioeconomic variables may influence the average construal level of adolescent transgressors in the public’s perspective. (shrink)

The past three decades of policy process studies have seen the emergence of a clear intellectual lineage with regard to complexity. Implicitly or explicitly, scholars have employed complexity theory to examine the intricate dynamics of collective action in political contexts. However, the methodological counterparts to complexity theory, such as computational methods, are rarely used and, even if they are, they are often detached from established policy process theory. Building on a critical review of the application of complexity theory to policy (...) process studies, we present and implement a baseline model of policy processes using the logic of coevolving networks. Our model suggests that an actor’s influence depends on their environment and on exogenous events facilitating dialogue and consensus-building. Our results validate previous opinion dynamics models and generate novel patterns. Our discussion provides ground for further research and outlines the path for the field to achieve a computational turn. (shrink)

The bounded confidence model has become a popular tool for studying communities of epistemically interacting agents. The model makes the idealizing assumption that all agents always have access to all other agents’ belief states. We draw on resources from network epistemology to do away with this assumption. In the model to be proposed, we impose an explicit communication network on a community, due to which each agent has access to the beliefs of only a selection of other agents. A much-discussed (...) result from network epistemology shows that densely connected communication networks are not always preferable to sparser networks. The aim of this paper is to investigate whether there are any noteworthy network effects in a version of the bounded confidence model augmented with communication networks, and in particular whether the aforementioned result from network epistemology can be replicated in that version. (shrink)

This book contains ten papers that were presented at the symposium about the realism debate, held at the Center for Logic, Philosophy of Science and Philosophy of Language of the Institute of Philosophy at the Katholieke Universiteit Leuven on 10 and 11 March 1995. The first group of papers are directly concerned with the realism/anti-realism debate in the general philosophy of science. This group includes the articles by Ernan McMullin, Diderik Batens/Joke Meheus, Igor Douven and Herman de Regt. The (...) papers of the second group concentrate on specific problems arising from the realism/anti-realism debate. Theo Kuipers' contribution discusses the problem of truth-approximation. Roger Vergauwen's article pertains to the issue of realism in the philosophy of mind and semantics. Jaap van Brakel's article focusses on the relation between everyday concepts and scientific concepts, and on the theory-dependence of observation. Paul Cortois investigates the relation between the question of realism and Kuhn's concept of incommensurability between scientific theories. The final group contains two papers on the realism/anti-realism debate in the special sciences. James Cushing discusses the problem of underdetermination in quantum mechanics and Jean Paul van bendegem addresses the question of the possiblity of an empiricist philosophy of mathematics. (shrink)

The sequent system LDJ is formulated using the same connectives as Gentzen's intuitionistic sequent system LJ, but is dual in the following sense: (i) whereas LJ is singular in the consequent, LDJ is singular in the antecedent; (ii) whereas LJ has the same sentential counter-theorems as classical LK but not the same theorems, LDJ has the same sentential theorems as LK but not the same counter-theorems. In particular, LDJ does not reject all contradictions and is accordingly paraconsistent. To obtain a (...) more precise mapping, both LJ and LDJ are extended by adding a "pseudo-difference" operator which is the dual of intuitionistic implication. Cut-elimination and decidability are proved for the extended systems and , and a simply consistent but -inconsistent Set Theory with Unrestricted Comprehension Schema based on LDJ is sketched. (shrink)

External world skeptics are typically opposed to admitting as evidence anything that goes beyond the purely phenomenal, and equally typically, they disown the use of rules of inference that might enable one to move from premises about the phenomenal alone to a conclusion about the external world. This seems to bar any a posteriori resolution of the skepticism debate. This paper argues that the situation is not quite so hopeless, and that an a posteriori resolution of the debate becomes possible (...) once it is recognized that the skeptic holds overly defensive and ill-motivated positions vis-à-vis both evidence and inference, and that more reasonable ones are available. In stating these more reasonable positions, as well as in showing how they make possible an a posteriori resolution of the skepticism debate, the paper draws on the machinery of Bayesian epistemology. (shrink)

Putnam's model theoretic argument against metaphysical realism can be reconstructed as valid, with premises acceptable to the realist. There is no illegitimate assumption that the causal theory of reference is false.

In van Fraassen's The Scientific Image we are told that the scientific anti‐realist need not appeal to some special semantics for scientific language. He can allegedly hold – just like his direct opponents typically do – that truth‐conditional semantics is appropriate both for claims about the observable and claims about the unobservable. However, I shall point out that this kind of semantics goes badly with the anti‐realist's epistemic attitude vis‐his the unobservable. In this paper an alternative semantics shall be outlined (...) that is perfectly compatible with the rest of the anti‐realist's position. Although this alternative semantics will be seen to fly in the face of the established doctrine in the field, I shall argue that there is currently no good reason not to adopt it. It will further be pointed out that this semantics has something to be recommended from a realist perspective as well. (shrink)

The ability to recognize and correct errors in one's explanatory understanding is critically important for learning. However, little is known about the mechanisms that determine when and under what circumstances errors are detected and how they are corrected. The present study investigated thought experiments as a potential tool that can reveal errors and trigger belief revision in the service of error correction. Across two experiments, 1149 participants engaged in reasoning about force and motion (a domain with well‐documented misconceptions) in a (...) pre‐training—training—post‐training design. The two experiments manipulated the type of mental model manipulated in the thought experiments (i.e., whether participants reasoned about forces acting on their own bodies vs. on external objects), as well as the level of relational and argumentative reasoning about the outcomes of the thought experiments. The results showed that: (i) thought experiments can serve as a tool to elicit inconsistencies in one's representations; (ii) the level of relational and argumentative reasoning determines the level of belief revision in the service of error correction; and (iii) the type of mental model manipulated in a thought experiment determines its outcome and its potential to initiate belief revision. Thought experiments can serve as a valuable teaching and learning tool, and they can help us better understand the nature of error detection and correction systems. (shrink)

In my paper I will argue for the thesis that spiritual exercises are an essential part of every philosophical life. My arguments are partly historical, partly conceptual in their nature. First, I show that philosophy at each stage of its history was accompanied by spiritual exercises. Next, I provide a definition of spiritual exercises as genuinely philosophical activity. Then I show that the philosophical life cannot be complete if it does not include spiritual exercises.

A number of philosophers and legal scholars have pointed out a fact about punishment that had not been sufficiently appreciated by many traditional accounts, utilitarian, retributive, or ‘mixed’: that evil inflicted on the person punished is not an evil simpliciter , but rather the expression of an important social message—that punishment is a kind of language. The message which it is seen to communicate can broadly be described as condemnation by society of the crime committed. In what is still the (...) only attempt at a general and critical discussion— Anthony Skillen's ‘How to say Things with Walls’—this way of understanding punishment is termed ‘expressionism’. In this paper I propose to sort out the main varieties of expressionism in the philosophy of punishment, and to discuss some of their pros and cons. (shrink)

Since the onset of the digital revolution, humankind has experienced an unprecedented acceleration of changes triggered by technological advancements. Frequently used digital media have unquestionably penetrated our everyday life, shaping human cognition in multiple ways. The rise of artificial intelligence, which coevolved with a new, interdisciplinary field of cognitive science, has amplified these effects, contributing new ways of affecting human society, in terms of efficient human-machine interaction and knowledge generation and accumulation, at an exponential rate. Simultaneously, cultural shifts driven by (...) globalization and social media have fostered new modes of communication, identity formation, and knowledge dissemination on a global scale. Understanding the intricate dynamics of techno-cultural evolution and its influence on cognition is essential for comprehending the contemporary society and preparing it for the future challenges. We need to adapt for the current and future information environments and digital landscapes, improving human resilience to new technologies and addressing core human vulnerabilities. Thanks to human flexibility, enabled by neural plasticity, that may be feasible, ideally combined with alleviation of known negative effects of digital technologies. (shrink)

In this short paper, we investigate the problems with the employment of the notion of freedom and voluntariness in libertarianism. We pretend to demonstrate that these two, as conceived of by libertarians, figure in as the main issue when it comes to justifying its major institutions, say: bequeathing, gifts, transactions (or what they label as “voluntary transfer”). The difficulty here boils down to the fact that a purely rights-based idea of freedom and voluntariness, the pretentions of Nozick notwithstanding, cannot do (...) alone, since it is the consideration whether we do something (e.g. bequeath, donate etc.) voluntarily (or freely) (in a non-moralized sense) that could account for the rights redistribution. Therefore, it seems that – at least sometimes – the notion of voluntariness (or freedom) is prior to the notion of rights. (shrink)

This paper aims to contribute to our understanding of the notion of coherence by explicating in probabilistic terms, step by step, what seem to be our most basic intuitions about that notion, to wit, that coherence is a matter of hanging or fitting together, and that coherence is a matter of degree. A qualitative theory of coherence will serve as a stepping stone to formulate a set of quantitative measures of coherence, each of which seems to capture well the aforementioned (...) intuitions. Subsequently it will be argued that one of those measures does better than the others in light of some more specific intuitions about coherence. This measure will be defended against two seemingly obvious objections. (shrink)

The paper, as a continuation of the paper Hanzel , provides a methodological generalization of Newton’s method of theory construction as applied in Book I and Book III of his Principia. It reconstructs also the method of measures applied in those books. Finally, it shows how the term “harmonic law” changes its meaning in the Principia.

The aim of the paper is to reconstruct the concept of natural necessity upon which the empirical causal type of a scientific law rests and to enlarge the notion of the conditions of a scientific law. According to regularity theory, what counts in the investigation of causation is the universality of causal proposition. So in this theory priority is given to the explication of the concept “scientific law”. Such an explication was provided by Popper in the first edition of his (...) Logik der Forschung. He defines here the concept “scientific law” by distinguishing between strictly universal propositions and numerical propositions. Later Popper, drawing upon W. Kneale´s criticism, proposed another definition of natural necessity. He expounds his revised view in Chapter X* of the new appendices of the Logic of Scientific Discovery by means of the famous moa-example. He views statement “All moas die before the age of fifty years” as not physically necessary because its truth depends on the presence of conditions different from singular initial conditions. Ba distinguishing between singular initial conditions and modification conditions I, contrary to Popper, claim that that statement can be viewed as naturally necessary. (shrink)

The aim of the paper is to discuss the views, which approach the qualitative and quantitative methods in social sciences as either separable, or irreconcilable. First, the author gives an outline of those views and shows, how they deal with various aspects of the qualitative/quantitative divide. Next, he tries to identify the roots of that divide in the works of Herbert Blumer. Further, his analysis of the categories of quantity, quality, and measure is designed to show that the divide in (...) question is based on a wrong, one-sided understanding of the qualitative as well as quantitative approaches, which in fact can neither be separated nor conceived of as contradictory. (shrink)

The problem of a final theory concern prospects of the contemporary science development. Arguments the adherents and opponents of the final theory idea appeal to philosophical and methodological beliefs. In my paper I am going, firstly, to analyze critically philosophical ideas lying on the basis of denying of the final theory project, and, secondly, to show that defense of that project demands reconsideration beliefs about a structure of a scientific theory and discussion a meaning of scientific laws.