Results for ' regularity'

979 found
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  1.  37
    Regularity Extraction Across Species: Associative Learning Mechanisms Shared by Human and Non‐Human Primates.Arnaud Rey, Laure Minier, Raphaëlle Malassis, Louisa Bogaerts & Joël Fagot - 2019 - Topics in Cognitive Science 11 (3):573-586.
    One of the themes that has been widely addressed in both the implicit learning and statistical learning literatures is that of rule learning. While it is widely agreed that the extraction of regularities from the environment is a fundamental facet of cognition, there is still debate about the nature of rule learning. Rey and colleagues show that the comparison between human and non‐human primates can contribute important insights to this debate.
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  2. Regularities and causality; generalizations and causal explanations.Jim Bogen - 2005 - Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences 36 (2):397-420.
    Machamer, Darden, and Craver argue that causal explanations explain effects by describing the operations of the mechanisms which produce them. One of this paper’s aims is to take advantage of neglected resources of Mechanism to rethink the traditional idea that actual or counterfactual natural regularities are essential to the distinction between causal and non-causal co-occurrences, and that generalizations describing natural regularities are essential components of causal explanations. I think that causal productivity and regularity are by no means the same (...)
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  3. Causal regularities in the biological world of contingent distributions.C. Kenneth Waters - 1998 - Biology and Philosophy 13 (1):5-36.
    Former discussions of biological generalizations have focused on the question of whether there are universal laws of biology. These discussions typically analyzed generalizations out of their investigative and explanatory contexts and concluded that whatever biological generalizations are, they are not universal laws. The aim of this paper is to explain what biological generalizations are by shifting attention towards the contexts in which they are drawn. I argue that within the context of any particular biological explanation or investigation, biologists employ two (...)
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  4.  81
    Regularity Comparativism about Mass in Newtonian Gravity.Niels C. M. Martens - 2017 - Philosophy of Science 84 (5):1226-1238.
    Comparativism—the view that mass ratios are not grounded in absolute masses—faces a challenge by Baker which suggests that absolute masses are empirically meaningful. Regularity comparativism uses a liberalized version of the Mill-Ramsey-Lewis Best Systems Account to have both the laws of Newtonian gravity and the absolute mass scale supervene on a comparativist Humean mosaic as a package deal. I discuss three objections to this view and conclude that it is untenable. The most severe problem is that once we have (...)
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  5.  71
    Regular probability comparisons imply the Banach–Tarski Paradox.Alexander R. Pruss - 2014 - Synthese 191 (15):3525-3540.
    Consider the regularity thesis that each possible event has non-zero probability. Hájek challenges this in two ways: there can be nonmeasurable events that have no probability at all and on a large enough sample space, some probabilities will have to be zero. But arguments for the existence of nonmeasurable events depend on the axiom of choice. We shall show that the existence of anything like regular probabilities is by itself enough to imply a weak version of AC sufficient to (...)
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  6. Regularities, Laws of Nature, and the Existence of God.John Foster - 2001 - Proceedings of the Aristotelian Society 101 (1):145-161.
    The regularities in nature, simply by being regularities, call for explanation. There are only two ways in which we could, with any plausibility, try to explain them. One way would be to suppose that they are imposed on the world by God. The other would be to suppose that they reflect the presence of laws of nature, conceived of as forms of natural necessity. But the only way of making sense of the notion of a law of nature, thus conceived, (...)
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  7. A Regularity Theoretic Approach to Actual Causation.Michael Baumgartner - 2013 - Erkenntnis 78 (1):85-109.
    The majority of the currently flourishing theories of actual causation are located in a broadly counterfactual framework that draws on structural equations. In order to account for cases of symmetric overdeterminiation and preemption, these theories resort to rather intricate analytical tools, most of all, to what Hitchcock has labeled explicitly nonforetracking counterfactuals. This paper introduces a regularity theoretic approach to actual causation that only employs material conditionals, standard Boolean minimization procedures, and a stability condition that regulates the behavior of (...)
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  8. Regularities, Natural Patterns and Laws of Nature.Stathis Psillos - 2014 - Theoria 29 (1):9-27.
    The goal of this paper is to sketch an empiricist metaphysics of laws of nature. The key idea is that there are regularities without regularity-enforcers. Differently put, there are natural laws without law-makers _of a distinct metaphysical kind_. This sketch will rely on the concept of a natural pattern and more significantly on the existence of a network of natural patterns in nature. The relation between a regularity and a pattern will be analysed in terms of mereology. Here (...)
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  9. Empirical regularities in Wittgenstein's philosophy of mathematics.Mark Steiner - 2009 - Philosophia Mathematica 17 (1):1-34.
    During the course of about ten years, Wittgenstein revised some of his most basic views in philosophy of mathematics, for example that a mathematical theorem can have only one proof. This essay argues that these changes are rooted in his growing belief that mathematical theorems are ‘internally’ connected to their canonical applications, i.e. , that mathematical theorems are ‘hardened’ empirical regularities, upon which the former are supervenient. The central role Wittgenstein increasingly assigns to empirical regularities had profound implications for all (...)
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  10.  63
    Against Regular and Irregular Characterizations of Mechanisms.Lane DesAutels - 2011 - Philosophy of Science 78 (5):914-925.
    This article addresses the question of whether we should conceive of mechanisms as productive of change in a regular way. I argue that, if mechanisms are characterized as fully regular, on the one hand, then not enough processes will count as mechanisms for them to be interesting or useful. If no appeal to regularity is made at all in their characterization, on the other hand, then mechanisms can no longer be useful for grounding prediction and supporting intervention strategies. I (...)
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  11.  29
    Regularizing (Away) Vacuum Energy.Adam Koberinski - 2021 - Foundations of Physics 51 (1):1-22.
    In this paper I formulate Minimal Requirements for Candidate Predictions in quantum field theories, inspired by viewing the standard model as an effective field theory. I then survey standard effective field theory regularization procedures, to see if the vacuum expectation value of energy density ) is a quantity that meets these requirements. The verdict is negative, leading to the conclusion that \ is not a physically significant quantity in the standard model. Rigorous extensions of flat space quantum field theory eliminate (...)
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  12. Regularity theories reassessed.Michael Baumgartner - 2006 - Philosophia 36 (3):327-354.
    For a long time, regularity accounts of causation have virtually vanished from the scene. Problems encountered within other theoretical frameworks have recently induced authors working on causation, laws of nature, or methodologies of causal reasoning – as e.g. May (Kausales Schliessen. Eine Untersuchung über kausale Erklärungen und Theorienbildung. Ph.D. thesis, Universität Hamburg, Hamburg, 1999), Ragin (Fuzzy-set social science. Chicago: University of Chicago Press, 2000), Graßhoff and May (Causal regularities. In W. Spohn, M. Ledwig, & M. Esfeld (Eds.), Current issues (...)
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  13. Stable regularities without governing laws?Aldo Filomeno - 2019 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 66:186-197.
    Can stable regularities be explained without appealing to governing laws or any other modal notion? In this paper, I consider what I will call a ‘Humean system’—a generic dynamical system without guiding laws—and assess whether it could display stable regularities. First, I present what can be interpreted as an account of the rise of stable regularities, following from Strevens [2003], which has been applied to explain the patterns of complex systems (such as those from meteorology and statistical mechanics). Second, since (...)
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  14. Regularity as a Form of Constraint.Marc Johansen - 2016 - Australasian Journal of Philosophy 94 (1):170-186.
    Regularity theories of causation are guided by the idea that causes are collectively sufficient for their effects. Following Mackie [1974], that idea is typically refined to distinguish collections that include redundant members from those that do not. Causes must be collectively sufficient for their effects without redundancy. While Mackie was surely right that the regularity theory must distinguish collections that are in some sense minimally sufficient for an effect from those that include unnecessary hangers-on, I believe that redundancy (...)
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  15. A Regularity Theory of Causation.Holger Andreas & Mario Günther - 2024 - Pacific Philosophical Quarterly 105 (1):2-32.
    In this paper, we propose a regularity theory of causation. The theory aims to be reductive and to align with our pre‐theoretic understanding of the causal relation. We show that our theory can account for a wide range of causal scenarios, including isomorphic scenarios, omissions, and scenarios which suggest that causation is not transitive.
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  16.  27
    Regular reals.Guohua Wu - 2005 - Mathematical Logic Quarterly 51 (2):111-119.
    Say that α is an n-strongly c. e. real if α is a sum of n many strongly c. e. reals, and that α is regular if α is n-strongly c. e. for some n. Let Sn be the set of all n-strongly c. e. reals, Reg be the set of regular reals and CE be the set of c. e. reals. Then we have: S1 ⊂ S2 ⊂ · · · ⊂ Sn ⊂ · · · ⊂ ⊂ Reg (...)
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  17.  57
    Regularity Relationalism and the Constructivist Project.Syman Stevens - 2020 - British Journal for the Philosophy of Science 71 (1):353-372.
    It has recently been argued that Harvey Brown and Oliver Pooley’s ‘dynamical approach’ to special relativity should be understood as what might be called an ontologically and ideologically relationalist approach to Minkowski geometry, according to which Minkowski geometrical structure supervenes upon the symmetries of the best-systems dynamical laws for a material world with primitive topological or differentiable structure. Fleshing out the details of some such primitive structure, and a conception of laws according to which Minkowski geometry could so supervene, has (...)
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  18. Regularity and infinitely tossed coins.Colin Howson - 2017 - European Journal for Philosophy of Science 7 (1):97-102.
    Timothy Williamson has claimed to prove that regularity must fail even in a nonstandard setting, with a counterexample based on tossing a fair coin infinitely many times. I argue that Williamson’s argument is mistaken, and that a corrected version shows that it is not regularity which fails in the non-standard setting but a fundamental property of shifts in Bernoulli processes.
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  19.  11
    Linguistic Regularity, Grammar and Autonomy.Michael Luntley - 1989 - In Dayton Z. Phillips & Peter G. Winch, Wittgenstein. Blackwell. pp. 88–124.
    Wittgenstein has a role for pointing out with grammar. Pointing is available as a potential resource in justifying and explaining grammar, the regular use of words. This chapter explores some of the foundational issues that frame the idea that pointing can play this role. It concentrates on the role of pointing in justifying the use of words and provides the beginnings of an account of how Wittgenstein's discussion in the opening sections of Philosophical Investigations can be integrated with on‐going philosophical (...)
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  20.  2
    Emotional regularity: associations with personality, psychological health, and occupational outcomes.Sidney K. D’Mello & June Gruber - 2021 - Cognition and Emotion 35 (8):1460-1478.
    Emotional regularity is the degree to which a person maintains and returns to a set of emotional states over time. The present investigation examined associations between emotional regularity and extant emotion measures as well as psychologically relevant dimensions of personality, health, and real-world occupational outcomes. Participants included 598 U.S. adults who provided daily experience sampling reports on their emotional states for approximately two months. Results suggest that emotional regularity was related to, but distinct from, well-established measures of (...)
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  21.  32
    Commutative regular rings and Boolean-valued fields.Kay Smith - 1984 - Journal of Symbolic Logic 49 (1):281-297.
    In this paper we present an equivalence between the category of commutative regular rings and the category of Boolean-valued fields, i.e., Boolean-valued sets for which the field axioms are true. The author used this equivalence in [12] to develop a Galois theory for commutative regular rings. Here we apply the equivalence to give an alternative construction of an algebraic closure for any commutative regular ring.Boolean-valued sets were developed in 1965 by Scott and Solovay [10] to simplify independence proofs in set (...)
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  22.  24
    Computable operators on regular sets.Martin Ziegler - 2004 - Mathematical Logic Quarterly 50 (4-5):392-404.
    For regular sets in Euclidean space, previous work has identified twelve ‘basic’ computability notions to which many previous notions considered in literature were shown to be equivalent. With respect to those basic notions we now investigate on the computability of natural operations on regular sets: union, intersection, complement, convex hull, image, and pre-image under suitable classes of functions. It turns out that only few of these notions are suitable in the sense of rendering all those operations uniformly computable.
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  23. Probability, Regularity, and Cardinality.Alexander R. Pruss - 2013 - Philosophy of Science 80 (2):231-240.
    Regularity is the thesis that all contingent propositions should be assigned probabilities strictly between zero and one. I will prove on cardinality grounds that if the domain is large enough, a regular probability assignment is impossible, even if we expand the range of values that probabilities can take, including, for instance, hyperreal values, and significantly weaken the axioms of probability.
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  24. Regularity and Hyperreal Credences.Kenny Easwaran - 2014 - Philosophical Review 123 (1):1-41.
    Many philosophers have become worried about the use of standard real numbers for the probability function that represents an agent's credences. They point out that real numbers can't capture the distinction between certain extremely unlikely events and genuinely impossible ones—they are both represented by credence 0, which violates a principle known as “regularity.” Following Skyrms 1980 and Lewis 1980, they recommend that we should instead use a much richer set of numbers, called the “hyperreals.” This essay argues that this (...)
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  25.  57
    Deciding regular grammar logics with converse through first-order logic.Stéphane Demri & Hans De Nivelle - 2005 - Journal of Logic, Language and Information 14 (3):289-329.
    We provide a simple translation of the satisfiability problem for regular grammar logics with converse into GF2, which is the intersection of the guarded fragment and the 2-variable fragment of first-order logic. The translation is theoretically interesting because it translates modal logics with certain frame conditions into first-order logic, without explicitly expressing the frame conditions. It is practically relevant because it makes it possible to use a decision procedure for the guarded fragment in order to decide regular grammar logics with (...)
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  26. The regularity account of relational spacetime.Nick Huggett - 2006 - Mind 115 (457):41--73.
    A version of relationism that takes spatiotemporal structures—spatial geometry and a standard of inertia—to supervene on the history of relations between bodies is described and defended. The account is used to explain how the relationist should construe models of Newtonian mechanics in which absolute acceleration manifestly does not supervene on the relations; Ptolemaic and Copernican models for example. The account introduces a new way in which a Lewis-style ‘best system’ might capture regularities in a broadly Humean world; a defence is (...)
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  27.  20
    Regularized Functional Connectivity in Schizophrenia.Raymond Salvador, Paola Fuentes-Claramonte, María Ángeles García-León, Núria Ramiro, Joan Soler-Vidal, María Llanos Torres, Pilar Salgado-Pineda, Josep Munuera, Aristotle Voineskos & Edith Pomarol-Clotet - 2022 - Frontiers in Human Neuroscience 16.
    Regularization may be used as an alternative to dimensionality reduction when the number of variables in a model is much larger than the number of available observations. In a recent study from our group regularized regression was employed to quantify brain functional connectivity in a sample of healthy controls using a brain parcellation and resting state fMRI images. Here regularization is applied to evaluate resting state connectivity abnormalities at the voxel level in a sample of patients with schizophrenia. Specifically, ridge (...)
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  28.  35
    Regularity effect in prospective memory during aging.Geoffrey Blondelle, Mathieu Hainselin, Yannick Gounden, Laurent Heurley, Hélène Voisin, Olga Megalakaki, Estelle Bressous & Véronique Quaglino - 2016 - Socioaffective Neuroscience and Psychology 6.
    BackgroundRegularity effect can affect performance in prospective memory, but little is known on the cognitive processes linked to this effect. Moreover, its impacts with regard to aging remain unknown. To our knowledge, this study is the first to examine regularity effect in PM in a lifespan perspective, with a sample of young, intermediate, and older adults.Objective and designOur study examined the regularity effect in PM in three groups of participants: 28 young adults, 16 intermediate adults, and 25 older (...)
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  29.  66
    Regularity Constitution and the Location of Mechanistic Levels.Jens Harbecke - 2015 - Foundations of Science 20 (3):323-338.
    This paper discusses the role of levels and level-bound theoretical terms in neurobiological explanations under the presupposition of a regularity theory of constitution. After presenting the definitions for the constitution relation and the notion of a mechanistic level in the sense of the regularity theory, the paper develops a set of inference rules that allow to determine whether two mechanisms referred to by one or more accepted explanations belong to the same level, or to different levels. The rules (...)
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  30.  13
    Bayesian Regularized Neural Network Model Development for Predicting Daily Rainfall from Sea Level Pressure Data: Investigation on Solving Complex Hydrology Problem.Lu Ye, Saadya Fahad Jabbar, Musaddak M. Abdul Zahra & Mou Leong Tan - 2021 - Complexity 2021:1-14.
    Prediction of daily rainfall is important for flood forecasting, reservoir operation, and many other hydrological applications. The artificial intelligence algorithm is generally used for stochastic forecasting rainfall which is not capable to simulate unseen extreme rainfall events which become common due to climate change. A new model is developed in this study for prediction of daily rainfall for different lead times based on sea level pressure which is physically related to rainfall on land and thus able to predict unseen rainfall (...)
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  31.  22
    Incompleteness, regularity, and collective preference.Susumu Cato - 2020 - Metroeconomica 71 (2):333–344.
    This paper examines the incompleteness of collective preference. We provide a series of Arrovian impossibility theorems without completeness. First, we consider the notion of regularity introduced by Eliaz and Ok (2006, Games and Economic Behavior 56, 61–86); it is an appropriate richness property for strict preference when preference is allowed to be incomplete. We examine the implication of imposing regularity on collective preference. Second, we propose responsiveness, a variation of positive responsiveness. This axiom requires that some changes in (...)
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  32. Regularities, laws, and an exceedingly modest premise for a cosmological argument.Travis Dumsday - 2018 - International Journal for Philosophy of Religion 83 (1):111-123.
    In reply to certain cosmological arguments for theism, critics regularly argue that the causal principle ex nihilo nihil fit may be false. Various theistic counter-replies to this challenge have emerged. One type of strategy is to double down on ex nihilo nihil fit. Another, very different strategy of counter-reply is to grant for the sake of argument that the principle is false, while maintaining that sound cosmological arguments can be formulated even with this concession in place. Notably, one can employ (...)
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  33. Crystallized Regularities.Verónica Gómez Sánchez - 2020 - Journal of Philosophy 117 (8):434-466.
    This essay proposes a reductive account of robust macro-regularities. On the view proposed, regularities can earn their elite scientific status by featuring in good summaries of restricted regions in the space of physical possibilities: our “modal neighborhoods.” I argue that this view vindicates “nomic foundationalism”, while doing justice to the practice of invoking physically contingent generalizations in higher-level explanations. Moreover, the view suggests an explanation for the particular significance of robust macro-regularities: we rely on summaries of our modal neighborhoods when (...)
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  34. Regularity reformulated.Weng Hong Tang - 2012 - Episteme 9 (4):329-343.
    This paper focuses on the view that rationality requires that our credences be regular. I go through different formulations of the requirement, and show that they face several problems. I then formulate a version of the requirement that solves most of, if not all, these problems. I conclude by showing that an argument thought to support the requirement as traditionally formulated actually does not; if anything, the argument, slightly modified, supports my version of the requirement.Send article to KindleTo send this (...)
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  35.  13
    Regular Physical Activities Inhibit Risk Factors of the Common Cold Among Chinese Adults.Renjie Tu, Yifan Lu & Kuan Tao - 2022 - Frontiers in Psychology 13.
    BackgroundPhysical activity has a significant health impact worldwide and has been linked to a lower risk of the common cold.ObjectiveThe aim of this study was to estimate the form of PA among Chinese adults and the correlation between PA and number of the common cold in China's eastern, central, and western areas.DesignA cross-sectional study.SettingChina's eastern, central, and western regions from 30 November 2020 to 30 March 2021.PatientsA total of 1,920 healthy participants, who aged over 18 years old, with Internet access, (...)
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  36. Regular updating.Alain Chateauneuf, Thibault Gajdos & Jean-Yves Jaffray - 2011 - Theory and Decision 71 (1):111-128.
    We study the Full Bayesian Updating rule for convex capacities. Following a route suggested by Jaffray (IEEE Transactions on Systems, Man and Cybernetics 22(5):1144–1152, 1992), we define some properties one may want to impose on the updating process, and identify the classes of (convex and strictly positive) capacities that satisfy these properties for the Full Bayesian Updating rule. This allows us to characterize two parametric families of convex capacities: ${(\varepsilon,\delta)}$ -contaminations (which were introduced, in a slightly different form, by Huber (...)
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  37. (1 other version)Symmetry arguments against regular probability: A reply to recent objections.Matthew W. Parker - 2018 - European Journal for Philosophy of Science 9 (1):8.
    A probability distribution is regular if no possible event is assigned probability zero. While some hold that probabilities should always be regular, three counter-arguments have been posed based on examples where, if regularity holds, then perfectly similar events must have different probabilities. Howson (2017) and Benci et al. (2016) have raised technical objections to these symmetry arguments, but we see here that their objections fail. Howson says that Williamson’s (2007) “isomorphic” events are not in fact isomorphic, but Howson is (...)
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  38. FBST Regularization and Model Selection.Julio Michael Stern & Carlos Alberto de Braganca Pereira - 2001 - In Julio Michael Stern & Carlos Alberto de Braganca Pereira, Annals of the 7th International Conference on Information Systems Analysis and Synthesis. Orlando FL: pp. 7: 60-65..
    We show how the Full Bayesian Significance Test (FBST) can be used as a model selection criterion. The FBST was presented by Pereira and Stern as a coherent Bayesian significance test. Key Words: Bayesian test; Evidence; Global optimization; Information; Model selection; Numerical integration; Posterior density; Precise hypothesis; Regularization. AMS: 62A15; 62F15; 62H15.
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  39.  13
    Regular Tree Languages in the First Two Levels of the Borel Hierarchy.Filippo Cavallari - 2019 - Bulletin of Symbolic Logic 25 (2):221-222.
    The thesis focuses on a quite recent research field lying in between Descriptive Set Theory and Automata Theory (for infinite objects). In both areas, one is often concerned with subsets of the Cantor space or of its homeomorphic copies. In Descriptive Set Theory, such subsets are usually stratified in topological hierarchies, like the Borel hierarchy, the Wadge hierarchy and the difference hierarchy; in Automata Theory, such sets are studied in terms of regularity, that is, the property of being recognised (...)
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  40.  60
    Regularities of the physical world and the absence of their internalization.Heiko Hecht - 2001 - Behavioral and Brain Sciences 24 (4):608-617.
    The notion of internalization put forth by Roger Shepard continues to be appealing and challenging. He suggests that we have internalized, during our evolutionary development, environmental regularities, or constraints. Internalization solves one of the hardest problems of perceptual psychology: the underspecification problem. That is the problem of how well-defined perceptual experience is generated from the often ambiguous and incomplete sensory stimulation. Yet, the notion of internalization creates new problems that may outweigh the solution of the underspecification problem. To support this (...)
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  41. The case for regularity in mechanistic causal explanation.Holly Andersen - 2012 - Synthese 189 (3):415-432.
    How regular do mechanisms need to be, in order to count as mechanisms? This paper addresses two arguments for dropping the requirement of regularity from the definition of a mechanism, one motivated by examples from the sciences and the other motivated by metaphysical considerations regarding causation. I defend a broadened regularity requirement on mechanisms that takes the form of a taxonomy of kinds of regularity that mechanisms may exhibit. This taxonomy allows precise explication of the degree and (...)
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  42.  32
    Computability on Regular Subsets of Euclidean Space.Martin Ziegler - 2002 - Mathematical Logic Quarterly 48 (S1):157-181.
    For the computability of subsets of real numbers, several reasonable notions have been suggested in the literature. We compare these notions in a systematic way by relating them to pairs of ‘basic’ ones. They turn out to coincide for full-dimensional convex sets; but on the more general class of regular sets, they reveal rather interesting ‘weaker/stronger’ relations. This is in contrast to single real numbers and vectors where all ‘reasonable’ notions coincide.
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  43.  38
    The regularity theory of mechanistic constitution and a methodology for constitutive inference.Jens Harbecke - 2015 - Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences 54:10-19.
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  44.  25
    Domination and Regularity.Anand Pillay - 2020 - Bulletin of Symbolic Logic 26 (2):103-117.
    We discuss the close relationship between structural theorems in (generalized) stability theory, and graph regularity theorems.
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  45.  66
    Cognitive Structuralism: Explaining the Regularity of the Natural Numbers Progression.Paula Quinon - 2022 - Review of Philosophy and Psychology 13 (1):127-149.
    According to one of the most powerful paradigms explaining the meaning of the concept of natural number, natural numbers get a large part of their conceptual content from core cognitive abilities. Carey’s bootstrapping provides a model of the role of core cognition in the creation of mature mathematical concepts. In this paper, I conduct conceptual analyses of various theories within this paradigm, concluding that the theories based on the ability to subitize (i.e., to assess anexactquantity of the elements in a (...)
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  46.  51
    Realism, regularity and social explanation.Stephen Kemp & John Holmwood - 2003 - Journal for the Theory of Social Behaviour 33 (2):165–187.
    This article explores the difficulties raised for social scientific investigation by the absence of experiment, critically reviewing realist responses to the problem such as those offered by Bhaskar, Collier and Sayer. It suggests that realist arguments for a shift from prediction to explanation, the use of abstraction, and reliance upon interpretive forms of investigation fail to demonstrate that these approaches compensate for the lack of experimental control. Instead, it is argued that the search for regularities, when suitably conceived, provides the (...)
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  47.  69
    On regular modal logics with axiom □ ⊤ → □□ ⊤.Kazimierz Świrydowicz - 1990 - Studia Logica 49 (2):171 - 174.
    This paper is devoted to showing certain connections between normal modal logics and those strictly regular modal logics which have as a theorem. We extend some results of E. J. Lemmon (cf. [66]). In particular we prove that the lattice of the strictly regular modal logics with the axiom is isomorphic to the lattice of the normal modal logics.
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  48.  32
    Chance and Regularities.Rosa M. Calcaterra - 2015 - European Journal of Pragmatism and American Philosophy 7 (2).
    The relationship between regularity and chance, or necessity and contingency, is a common concern of classical pragmatists. The metaphysical quality of this issue flows into the construction of postmodern discourse, although in a very different framework and, paradoxically, under the auspices of the anti-metaphysics that such a discourse claims. This paper proposes at first a brief reconstruction of the chance and regularity issue in postmodernism; then Peirce’s cosmological-metaphysical theory of chance, namely his ‘tychism,’ is recalled as a fruitful (...)
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  49.  26
    On regular and symmetric identities II.Ewa Graczynska - 1982 - Bulletin of the Section of Logic 11 (3/4):100-102.
    This is a continuation of [3]. We deal with algebras of type : T ! N. Assume that V is a variety of type . Let p = x be a strongly nonregular identity satised in V , i.e. x; y are variables of p and x =6 y . For a variety K 2 L; E; R; S or RS denotes the set of all, regular, symmetric or regular and symmetric identities satised in K, respectively.
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  50.  26
    On regular and symmetric identities.E. Graczynska - 1981 - Bulletin of the Section of Logic 10 (3):104-106.
    J. P lonka at WSP in Opole, in 1980 and 1981. We shall consider algebras o type : T ! N; E, R, S denote the set of all identities of type and the set of all regular identities of type , respectively . If is a set of identities of type , then E() denotes the set of all identities which can be proved from ; R() = \ R, S() = \ S. denotes the variety generated by . (...)
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