Results for 'Harold T. Hodes'

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  1. Where Do the Cardinal Numbers Come From?Harold T. Hodes - 1990 - Synthese 84 (3):347-407.
    This paper presents a model-theoretic semantics for discourse "about" natural numbers, one that captures what I call "the mathematical-object picture", but avoids what I can "the mathematical-object theory".
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  2. Logicism and the ontological commitments of arithmetic.Harold T. Hodes - 1984 - Journal of Philosophy 81 (3):123-149.
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  3. Why Ramify?Harold T. Hodes - 2015 - Notre Dame Journal of Formal Logic 56 (2):379-415.
    This paper considers two reasons that might support Russell’s choice of a ramified-type theory over a simple-type theory. The first reason is the existence of purported paradoxes that can be formulated in any simple-type language, including an argument that Russell considered in 1903. These arguments depend on certain converse-compositional principles. When we take account of Russell’s doctrine that a propositional function is not a constituent of its values, these principles turn out to be too implausible to make these arguments troubling. (...)
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  4. Some theorems on the expressive limitations of modal languages.Harold T. Hodes - 1984 - Journal of Philosophical Logic 13 (1):13 - 26.
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  5. On modal logics which enrich first-order S5.Harold T. Hodes - 1984 - Journal of Philosophical Logic 13 (4):423 - 454.
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  6. Axioms for actuality.Harold T. Hodes - 1984 - Journal of Philosophical Logic 13 (1):27 - 34.
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  7. The composition of Fregean thoughts.Harold T. Hodes - 1982 - Philosophical Studies 41 (2):161 - 178.
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  8. Ontological Commitments, Thick and Thin.Harold T. Hodes - 1990 - In George Boolos (ed.), Method, Reason and Language: Essays in Honor of Hilary Putnam. Cambridge University Press. pp. 235-260.
    Discourse carries thin commitment to objects of a certain sort iff it says or implies that there are such objects. It carries a thick commitment to such objects iff an account of what determines truth-values for its sentences say or implies that there are such objects. This paper presents two model-theoretic semantics for mathematical discourse, one reflecting thick commitment to mathematical objects, the other reflecting only a thin commitment to them. According to the latter view, for example, the semantic role (...)
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  9. One-step Modal Logics, Intuitionistic and Classical, Part 1.Harold T. Hodes - 2021 - Journal of Philosophical Logic 50 (5):837-872.
    This paper and its sequel “look under the hood” of the usual sorts of proof-theoretic systems for certain well-known intuitionistic and classical propositional modal logics. Section 1 is preliminary. Of most importance: a marked formula will be the result of prefixing a formula in a propositional modal language with a step-marker, for this paper either 0 or 1. Think of 1 as indicating the taking of “one step away from 0.” Deductions will be constructed using marked formulas. Section 2 presents (...)
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  10. Where do sets come from?Harold T. Hodes - 1991 - Journal of Symbolic Logic 56 (1):150-175.
    A model-theoretic approach to the semantics of set-theoretic discourse.
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  11. Individual-actualism and three-valued modal logics, part 1: Model-theoretic semantics.Harold T. Hodes - 1986 - Journal of Philosophical Logic 15 (4):369 - 401.
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  12. Jumping through the transfinite: The master code hierarchy of Turing degrees.Harold T. Hodes - 1980 - Journal of Symbolic Logic 45 (2):204-220.
    Where $\underline{a}$ is a Turing degree and ξ is an ordinal $ , the result of performing ξ jumps on $\underline{a},\underline{a}^{(\xi)}$ , is defined set-theoretically, using Jensen's fine-structure results. This operation appears to be the natural extension through $(\aleph_1)^{L^\underline{a}}$ of the ordinary jump operations. We describe this operation in more degree-theoretic terms, examine how much of it could be defined in degree-theoretic terms and compare it to the single jump operation.
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  13. Uniform Upper Bounds on Ideals of Turing Degrees.Harold T. Hodes - 1978 - Journal of Symbolic Logic 43 (3):601-612.
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  14. Cut-conditions on sets of multiple-alternative inferences.Harold T. Hodes - 2022 - Mathematical Logic Quarterly 68 (1):95 - 106.
    I prove that the Boolean Prime Ideal Theorem is equivalent, under some weak set-theoretic assumptions, to what I will call the Cut-for-Formulas to Cut-for-Sets Theorem: for a set F and a binary relation |- on Power(F), if |- is finitary, monotonic, and satisfies cut for formulas, then it also satisfies cut for sets. I deduce the CF/CS Theorem from the Ultrafilter Theorem twice; each proof uses a different order-theoretic variant of the Tukey- Teichmüller Lemma. I then discuss relationships between various (...)
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  15. One-Step Modal Logics, Intuitionistic and Classical, Part 2.Harold T. Hodes - 2021 - Journal of Philosophical Logic 50 (5):873-910.
    Part 1 [Hodes, 2021] “looked under the hood” of the familiar versions of the classical propositional modal logic K and its intuitionistic counterpart. This paper continues that project, addressing some familiar classical strengthenings of K and GL), and their intuitionistic counterparts. Section 9 associates two intuitionistic one-step proof-theoretic systems to each of the just mentioned intuitionistic logics, this by adding for each a new rule to those which generated IK in Part 1. For the systems associated with the intuitionistic (...)
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  16. An Exact Pair for the Arithmetic Degrees Whose Join is Not a Weak Uniform Upper Bound.Harold T. Hodes - 1982 - Recursive Function Theory-Newsletters 28.
    Proof uses forcing on perfect trees for 2-quantifier sentences in the language of arithmetic. The result extends to exact pairs for the hyperarithmetic degrees.
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  17. The Modal Theory Of Pure Identity And Some Related Decision Problems.Harold T. Hodes - 1984 - Mathematical Logic Quarterly 30 (26-29):415-423.
    Relative to any reasonable frame, satisfiability of modal quantificational formulae in which “= ” is the sole predicate is undecidable; but if we restrict attention to satisfiability in structures with the expanding domain property, satisfiability relative to the familiar frames (K, K4, T, S4, B, S5) is decidable. Furthermore, relative to any reasonable frame, satisfiability for modal quantificational formulae with a single monadic predicate is undecidable ; this improves the result of Kripke concerning formulae with two monadic predicates.
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  18. Individual-actualism and three-valued modal logics, part 2: Natural-deduction formalizations.Harold T. Hodes - 1987 - Journal of Philosophical Logic 16 (1):17 - 63.
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  19. More about uniform upper Bounds on ideals of Turing degrees.Harold T. Hodes - 1983 - Journal of Symbolic Logic 48 (2):441-457.
    Let I be a countable jump ideal in $\mathscr{D} = \langle \text{The Turing degrees}, \leq\rangle$ . The central theorem of this paper is: a is a uniform upper bound on I iff a computes the join of an I-exact pair whose double jump a (1) computes. We may replace "the join of an I-exact pair" in the above theorem by "a weak uniform upper bound on I". We also answer two minimality questions: the class of uniform upper bounds on I (...)
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  20. Upper bounds on locally countable admissible initial segments of a Turing degree hierarchy.Harold T. Hodes - 1981 - Journal of Symbolic Logic 46 (4):753-760.
    Where AR is the set of arithmetic Turing degrees, 0 (ω ) is the least member of { $\mathbf{\alpha}^{(2)}|\mathbf{a}$ is an upper bound on AR}. This situation is quite different if we examine HYP, the set of hyperarithmetic degrees. We shall prove (Corollary 1) that there is an a, an upper bound on HYP, whose hyperjump is the degree of Kleene's O. This paper generalizes this example, using an iteration of the jump operation into the transfinite which is based on (...)
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  21. Corrections to "where do sets come from?".Harold T. Hodes - 1991 - Journal of Symbolic Logic 56 (4):1486.
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  22. Finite level borel games and a problem concerning the jump hierarchy.Harold T. Hodes - 1984 - Journal of Symbolic Logic 49 (4):1301-1318.
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  23. Well-behaved modal logics.Harold T. Hodes - 1984 - Journal of Symbolic Logic 49 (4):1393-1402.
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  24. On The Sense and Reference of A Logical Constant.Harold Hodes - 2004 - Philosophical Quarterly 54 (214):134-165.
    Logicism is, roughly speaking, the doctrine that mathematics is fancy logic. So getting clear about the nature of logic is a necessary step in an assessment of logicism. Logic is the study of logical concepts, how they are expressed in languages, their semantic values, and the relationships between these things and the rest of our concepts, linguistic expressions, and their semantic values. A logical concept is what can be expressed by a logical constant in a language. So the question “What (...)
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  25. Three Value Logics: An Introduction, A Comparison of Various Logical Lexica and Some Philosophical Remarks.Harold Hodes - 1989 - Annals of Pure and Applied Logic 43 (2):99-145.
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  26. Cardinality logics, part I: inclusions between languages based on ‘exactly’.Harold Hodes - 1988 - Annals of Pure and Applied Logic 39 (3):199-238.
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  27. Cardinality logics. Part II: Definability in languages based on `exactly'.Harold Hodes - 1988 - Journal of Symbolic Logic 53 (3):765-784.
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  28. Stewart Shapiro’s Philosophy of Mathematics[REVIEW]Harold Hodes - 2002 - Philosophy and Phenomenological Research 65 (2):467–475.
    Two slogans define structuralism: contemporary mathematics studies structures; mathematical objects are places in those structures. Shapiro’s version of structuralism posits abstract objects of three sorts. A system is “a collection of objects with certain relations” between these objects. “An extended family is a system of people with blood and marital relationships.” A baseball defense, e.g., the Yankee’s defense in the first game of the 1999 World Series, is a also a system, “a collection of people with on-field spatial and ‘defensive-role’ (...)
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  29. How To Do Things With Signs: Semiotics in Legal Theory, Practice, and Education.Harold Anthony Lloyd - forthcoming - University of Richmond Law Review.
    Note: This draft was updated on November 10, 2020. Discussing federal statutes, Justice Scalia tells us that “[t]he stark reality is that the only thing that one can say for sure was agreed to by both houses and the president (on signing the bill) is the text of the statute. The rest is legal fiction." How should we take this claim? If we take "text" to mean the printed text, that text without more is just a series of marks. If (...)
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  30. Speaker Meaning and the Interpretation and Construction of Executive Orders.Harold Anthony Lloyd - 2018 - Wake Forest Journal of Law and Policy 8 (2):319-361.
    This Article explores the interpretation and construction of executive orders using as examples President Trump’s two executive orders captioned “Protecting the Nation From Foreign Terrorist Entry Into the United States” (the “Two Executive Orders”). President Trump issued the Two Executive Orders in the context of (among other things) Candidate Trump’s statements such as: “Islam hates us,” and “[W]e can’t allow people coming into this country who have this hatred.” President Trump subsequently provided further context including his tweet about the second (...)
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  31. Gorsuch and Originalism: Some Lessons from Logic, Scripture, and Art.Harold Anthony Lloyd - manuscript
    Neil Gorsuch lauds judges who purport to “apply the law as it is, focusing backward, not forward, and looking to text, structure, and history to decide what a reasonable reader at the time of the events in question would have understood the law to be . . . .” It’s hard to see how such a form of Originalism withstands scrutiny. -/- First, using “reasonable reader” understandings rather than speaker meaning turns language and law on their heads. Audiences effectively become (...)
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  32. Godel, Escherian Staircase and Possibility of Quantum Wormhole With Liquid Crystalline Phase of Iced-Water - Part I: Theoretical Underpinning.Victor Christianto, T. Daniel Chandra & Florentin Smarandache - 2023 - Bulletin of Pure and Applied Sciences 42 (2):70-75.
    As a senior physicist colleague and our friend, Robert N. Boyd, wrote in a journal (JCFA, Vol. 1,. 2, 2022), Our universe is but one page in a large book [4]. For example, things and Beings can travel between Universes, intentionally or unintentionally. In this short remark, we revisit and offer short remark to Neil’s ideas and trying to connect them with geometrization of musical chords as presented by D. Tymoczko and others, then to Escher staircase and then to Jacob’s (...)
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  33.  92
    Godel, Escherian Staircase and Possibility of Quantum Wormhole With Liquid Crystalline Phase of Iced-Water - Part II: Experiment Description.Victor Christianto, T. Daniel Chandra & Florentin Smarandache - 2023 - Bulletin of Pure and Applied Sciences 42 (2):85-100.
    The present article was partly inspired by G. Pollack’s book, and also Dadoloff, Saxena & Jensen (2010). As a senior physicist colleague and our friend, Robert N. Boyd, wrote in a journal (JCFA, Vol. 1, No. 2, 2022), for example, things and Beings can travel between Universes, intentionally or unintentionally [4]. In this short remark, we revisit and offer short remark to Neil Boyd’s ideas and trying to connect them with geometry of musical chords as presented by D. Tymoczko and (...)
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  34. In Defence of the Letter of Fictionalism.Harold Noonan - 1994 - Analysis 54 (3):133-139.
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  35. Moderate monism, persistence and sortal concepts.Harold Noonan - manuscript
    Coincidence comes in two varieties – permanent and temporary. Moderate monism is the position that permanent coincidence, but not temporary coincidence, entails identity. Extreme monism is the position that even temporary coincidence entails identity. Pluralists are opponents of monism tout court. The intuitively obvious, commonsensical position is moderate monism. It is therefore important to see if it can be sustained.
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  36. Plenitude, Pluralism, and Neo-Lockean Persons.Harold Noonan - 2015 - Journal of Consciousness Studies 22 (11-12):108-131.
    The paper discusses the arguments for and against animalism and concludes that a pluralist position which rejects animalism and embraces a multiplicity of thinkers is the best option.
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  37. Identity eliminated.Harold W. Noonan - 2007 - Analysis 67 (2):122-127.
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  38. Putting philosophy of political science on the map.Harold Kincaid & Jeroen Van Bouwel - 2023 - In Harold Kincaid & Jeroen van Bouwel (eds.), The Oxford Handbook of Philosophy of Political Science. New York: Oxford University Press. pp. 1-14.
    Contrary to economics or history, for example, there does not exist an organized field dedicated to the philosophy of political science. Given that the philosophical issues raised by political science research are just as pressing and vibrant as those raised in these more organized fields, fostering a field that labels itself Philosophy of Political Science (PoPS) is important. PoPS is advanced here as a fruitful meeting place where both philosophers and practicing political scientists contribute and discuss—with philosophical discussions that are (...)
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  39. Classifying Psychopathology: Mental Kinds and Natural Kinds.Harold Kincaid & Jacqueline Anne Sullivan - 2014 - In Harold Kincaid & Jacqueline Anne Sullivan (eds.), Classifying Psychopathology: Mental Kinds and Natural Kinds. MIT Press. pp. 1-10.
    In this volume, leading philosophers of psychiatry examine psychiatric classification systems, including the Diagnostic and Statistical Manual of Mental Disorders, asking whether current systems are sufficient for effective diagnosis, treatment, and research. Doing so, they take up the question of whether mental disorders are natural kinds, grounded in something in the outside world. Psychiatric categories based on natural kinds should group phenomena in such a way that they are subject to the same type of causal explanations and respond similarly to (...)
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  40. Reflections on Putnam, Wright and brains in vats.Harold W. Noonan - 1998 - Analysis 58 (1):59-62.
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  41. Intentional Structure and the Identity Theory of Knowledge in Bernard Lonergan: A Problem with Rational Self-Appropriation.Greg P. Hodes - 2002 - International Philosophical Quarterly 42 (4):437-452.
    Bernard Lonergan has argued for a theory of cognition that is transcendentally secure, that is, one such that any plausible attempt to refute it must presuppose its correctness, and one that also grounds a correct metaphysics and ontology. His proposal combines an identity theory of knowledge with an intentional relation between knower and known. It depends in a crucial way upon an appropriation of one’s own cognitional motives and acts, that is, upon “knowing one’s own knowing.” I argue that because (...)
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  42. "The 'Causes' of the Hard Problem".Greg P. Hodes - 2019 - Neuroquantology 16 (9):46-49.
    This note calls attention to the fact that efficient causes – the sort of cause that changes something or makes something happen – can play no constitutive role in the immediate, cognitively conscious relation between cognitive subject and a cognit-ive object. It notes that: (1) it is a necessary condition for an efficient causal relation that it alter its relata; and (2) it is a necessary condition for a conscious cognitive relat-ion that it does not alter its relata. This has (...)
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  43. Clearing the Ground: How to Think about Realism and Antirelaism.Greg P. Hodes - manuscript
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  44. Adieu BonJour: Getting Cognitive Possession of "Getting Cognitive Possession".Greg Hodes - unknown
    In this paper I argue that Bonjour’s claim that empirical beliefs can only be justified by other empirical beliefs and his use of non-normative “spontaneous empirical beliefs” and the “The Doxastic Preumption” fail to solve the problems of coherence theory. I propose a justification of empirical (and other beliefs) based on the work of B. Lonergan.
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  45. What would it "be like" to solve the hard problem?: Cognition, consciousness, and qualia zombies.Greg P. Hodes - 2005 - Neuroquantology 3 (1):43-58.
    David Chalmers argues that consciousness -- authentic, first-person, conscious consciousness -- cannot be reduced to brain events or to any physical event, and that efforts to find a workable mind-body identity theory are, therefore, doomed in principle. But for Chalmers and non-reductionist in general consciousness consists exclusively, or at least paradigmatically, of phenomenal or qualia-consciousness. This results in a seriously inadequate understanding both of consciousness and of the “hard problem.” I describe other, higher-order cognitional events which must be conscious if (...)
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    Theory on Duplicity of Finite Neutrosophic Rings.T. Chalapathi, K. Kumaraswamy Naidu, D. Harish Babu & Florentin Smarandache - 2023 - Neutrosophic Sets and Systems 55.
    This article introduces the notion of duplex elements of the finite rings and corresponding neutrosophic rings. The authors establish duplex ring Dup(R) and neutrosophic duplex ring Dup(R)I)) by way of various illustrations. The tables of different duplicities are constructed to reveal the comparison between rings Dup(Zn), Dup(Dup(Zn)) and Dup(Dup(Dup(Zn ))) for the cyclic ring Zn . The proposed duplicity structures have several algebraic systems with dissimilar consequences. Author’s characterize finite rings with R + R is different from the duplex ring (...)
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  47. Lonergan and Perceptual Direct Realism: Facing Up to the Problem of the External Material World.Greg Hodes - 2007 - International Philosophical Quarterly 47 (2):203-220.
    In this paper I call attention to the fact that Lonergan gives two radically opposed accounts of how sense perception relates us to the external world and of how we know that this relation exists. I argue that the position that Lonergan characteristically adopts is not the one implied by what is most fundamental in his theory of cognition. I describe the initial epistemic position with regard to the problem of skepticism about the external material world that is in fact (...)
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  48. Autonomism Reconsidered.James Harold - 2011 - British Journal of Aesthetics 51 (2):137-147.
    This paper has three aims: to define autonomism clearly and charitably, to offer a positive argument in its favour, and to defend a larger view about what is at stake in the debate between autonomism and its critics. Autonomism is here understood as the claim that a valuer does not make an error in failing to bring her moral and aesthetic judgements together, unless she herself values doing so. The paper goes on to argue that reason does not require the (...)
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  49. Lonergan and perceptual direct realism: Facing up to the problem of the external material world.Greg Hodes - 2007 - International Philosophical Quarterly 47 (2):203-220.
    In this paper I call attention to the fact that Lonergan gives two radically opposed accounts of how sense perception relates us to the external world and of how we know that this relation exists. I argue that the position that Lonergan characteristically adopts is not the one implied by what is most fundamental in his theory of cognition. I describe the initial epistemic position with regard to the problem of skepticism about the external material world that is in fact (...)
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  50. Immoralism and the Valence Constraint.James Harold - 2008 - British Journal of Aesthetics 48 (1):45-64.
    Immoralists hold that in at least some cases, moral fl aws in artworks can increase their aesthetic value. They deny what I call the valence constraint: the view that any effect that an artwork’s moral value has on its aesthetic merit must have the same valence. The immoralist offers three arguments against the valence constraint. In this paper I argue that these arguments fail, and that this failure reveals something deep and interesting about the relationship between cognitive and moral value. (...)
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