Gila Sher interviewed by Chen Bo: -/- I. Academic Background and Earlier Research: 1. Sher’s early years. 2. Intellectual influence: Kant, Quine, and Tarski. 3. Origin and main Ideas of The Bounds of Logic. 4. Branching quantifiers and IF logic. 5. Preparation for the next step. -/- II. Foundational Holism and a Post-Quinean Model of Knowledge: 1. General characterization of foundational holism. 2. Circularity, infinite regress, and philosophical arguments. 3. Comparing foundational holism and foundherentism. 4. A post-Quinean model of (...) knowledge. 5. Intellect and figuring out. 6. Comparing foundational holism with Quine’s holism. 7. Evaluation of Quine’s Philosophy -/- III. Substantive Theory of Truth and Relevant Issues: 1. Outline of Sher’s substantive theory of truth. 2. Criticism of deflationism and treatment of the Liar. 3. Comparing Sher’s substantive theory of truth with Tarski’s theory of truth. -/- IV. A New Philosophy of Logic and Comparison with Other Theories: 1. Foundational account of logic. 2. Standard of logicality, set theory and logic. 3. Psychologism, Hanna’s and Maddy’s conceptions of logic. 4. Quine’s theses about the revisability of logic. -/- V. Epilogue. (shrink)

Gila Sher approaches knowledge from the perspective of the basic human epistemic situation—the situation of limited yet resourceful beings, living in a complex world and aspiring to know it in its full complexity. What principles should guide them? Two fundamental principles of knowledge are epistemic friction and freedom. Knowledge must be substantially constrained by the world (friction), but without active participation of the knower in accessing the world (freedom) theoretical knowledge is impossible. This requires a grounding of all knowledge, (...) empirical and abstract, in both mind and world, but the fall of traditional foundationalism has led many to doubt the viability of this ‘classical’ project. Sher challenges this skepticism, charting a new foundational methodology, foundational holism, that differs from others in being holistic, world-oriented, and universal (i.e., applicable to all fields of knowledge). Using this methodology, Epistemic Friction develops an integrated theory of knowledge, truth, and logic. This includes (i) a dynamic model of knowledge, incorporating some of Quine’s revolutionary ideas while rejecting his narrow empiricism, (ii) a substantivist, non-traditional correspondence theory of truth, and (iii) an outline of a joint grounding of logic in mind and world. The model of knowledge subjects all disciplines to demanding norms of both veridicality and conceptualization. The correspondence theory is robust and universal yet not simplistic or naive, admitting diverse forms of correspondence. Logic’s grounding in the world brings it in line with other disciplines while preserving, and explaining, its strong formality, necessity, generality, and normativity. (shrink)

The Bounds of Logic presents a new philosophical theory of the scope and nature of logic based on critical analysis of the principles underlying modern Tarskian logic and inspired by mathematical and linguistic development. Extracting central philosophical ideas from Tarski’s early work in semantics, Sher questions whether these are fully realized by the standard first-order system. The answer lays the foundation for a new, broader conception of logic. By generally characterizing logical terms, Sher establishes a fundamental result in semantics. Her (...) development of the notion of logicality for quantifiers and her work on branching are of great importance for linguistics. Sher outlines the boundaries of the new logic and points out some of the philosophical ramifications of the new view of logic for such issues as the logicist thesis, ontological commitment, the role of mathematics in logic, and the metaphysical underpinning of logic. She proposes a constructive definition of logical terms, reexamines and extends the notion of branching quantification, and discusses various linguistic issues and applications. (shrink)

This is a critique of Michael P. Lynch’s functional pluralism with respect to truth. The paper is sympathetic to Lynch’s overall approach to truth, but is critical of (i) his platitudinous characterization of the general principles of truth, (ii) his excessive pluralism with respect to the “realizers” of truth, (iii) his treatment of atomic truth, and (iv) his analysis of “mixed” logical inferences. The paper concludes with a proposal for a functional pluralism that puts greater emphasis on the unity of (...) truth. For example: while Lynch regards truth as based on correspondence principles in some domains and on coherence principles in others, the current proposal regards truth as based on correspondence principles in all domains, restricting the plurality of truth to a plurality of correspondence principles. (shrink)

Tarski's hierarchical solution to the Liar paradox is widely viewed as ad hoc. In this paper I show that, on the contrary, Tarski's solution is justified by a sound philosophical principle that concerns the inner structure of truth. This principle provides a common philosophical basis to a number of solutions to the Liar paradox, including Tarski's and Kripke's. Tarski himself may not have been aware of this principle, but by providing a philosophical basis to his hierarchical solution to the paradox, (...) it undermines the ad-hocness objection to this solution. Indeed, it contributes to the defense of Tarski's theory against other objections as well. (shrink)

Substantivism is a general philosophical methodology advocating a substantive approach to philosophical theorizing. In this article, I present an overview of this methodology with a special emphasis on the field of truth. I begin with a framework for understanding what is at stake in the substantivist–deflationist debate and describe the substantivist critique of deflationism. I then proceed to discuss contemporary substantivism as a positive methodology, present examples of recent substantivist theories of truth, delineate several principles of philosophical substantivism, and connect (...) it to contemporary thought about the nature and methods of philosophy. Due to limitations of space, I am unable to discuss all the forms contemporary substantivism has taken. But I try to give a clear sense of the central principles, challenges, and promise of this methodology. (shrink)

Our interdisciplinary studies for over twenty years applied to the comparative history of the Romané Chavé (European Gypsies) with the high military castes of India (Rajputs and Kshatrivas), had come off, as from 1964, to the following conclusions: the more a language is similar on the lexical level to Hindi-Rajasthani and, on the morphological one to Jodhpuri, the more it is similar to Gypsy language—Romani, the more a culture is similar to the culture of the Rajputs and Kshatrivas, the more (...) it is similar to Romani culture; the more someone is similar to the members of the military castes of India and generally to the people of Hindu religion of North Western India, of the Delhi State and its surroundings (Haryana, Western Uttarprades, Rajasthan and Sindh), the more he is similar to a Romano Chavo. (shrink)

Durante a Guerra Civil Espanhola, o governo regional basco começou a evacuar a população infantil para outros países europeus. A memória desse exílio infantil começou a se recuperar nos anos 60, tanto na Espanha quanto no exterior. Este artigo estabelece uma comparação entre as duas primeiras representações do exílio infantil basco na tela. Por um lado, analisa-se o romance, A outra árvore de Guernica, que reflete o discurso gerado nesse exílio em particular na Espanha de Franco. Por outro lado, é (...) analisado um capítulo de 1963 da série de televisão norte-americana Route 66, cujos protagonistas eram crianças exiladas bascas. Na comparação entre ambas as representações são identificadas as semelhanças e diferenças, bem como os diferentes conteúdos políticos em que se encaixam. (shrink)

The contemporary world is witness to an intense, sometimes violent controversy about secularism. These trends have been exacerbated by the emergence of fundamentalism, which challenges the secular society and the secularization of philosophical ideas and ethical values. Paul Kurtz has been personally involved in the campaign for secularism throughout his career as a philosopher. This book reflects his participation in this battle and extends his thinking to new areas. Secularists maintain that the state should not impose a religious creed (...) on its citizens and that it should respect freedom of conscience, the right to believe or disbelieve in the prevailing orthodoxy. This right is guaranteed by the First Amendment to the U.S. Constitution and the Rights of Man enunciated in the French Revolution. Many powerful religious institutions including Islam, Hinduism, Protestant Fundamentalism, conservative Roman Catholicism or Orthodox Judaism, and others do not accept this principle. And many totalitarian countries that claim to be secular nevertheless seek to impose a kind of doctrinaire ideological uniformity, often equivalent to a religious creed. Kurtz is perhaps best known for his Humanist Manifesto II. Here he takes it to a new level, arguing that secularism today needs to be allied to the emergence of democratic institutions that respect individual freedom andthe pluralistic society. He argues that a defense of secularism entails a defense of the civic virtues of democracy, which include the toleration of dissent and alternative lifestyles and the willingness to negotiate differences.Naturally how this develops is relative to the socio-cultural context in which it emerges. Consequently, secularism will take different forms in different societies, and the term multi-secularism best describes that. Many people believe that it is impossible to maintain a moral order without the support of religion. Kurtz vigorously denies that, and this volume attempts to explicate the values and principles of secular morality, which he sees as the cornerstone of the open democratic society. (shrink)

Many philosophers are baffled by necessity. Humeans, in particular, are deeply disturbed by the idea of necessary laws of nature. In this paper I offer a systematic yet down to earth explanation of necessity and laws in terms of invariance. The type of invariance I employ for this purpose generalizes an invariance used in meta-logic. The main idea is that properties and relations in general have certain degrees of invariance, and some properties/relations have a stronger degree of invariance than others. (...) The degrees of invariance of highly-invariant properties are associated with high degrees of necessity of laws governing/describing these properties, and this explains the necessity of such laws both in logic and in science. This non-mysterious explanation has rich ramifications for both fields, including the formality of logic and mathematics, the apparent conflict between the contingency of science and the necessity of its laws, the difference between logical-mathematical, physical, and biological laws/principles, the abstract character of laws, the applicability of logic and mathematics to science, scientific realism, and logical-mathematical realism. (shrink)

Two central themes of Douglas Edwards’s The Metaphysics of Truth are anti-deflationism and substantial pluralism. In Part I of this paper I discuss Edwards’s grounds for rejecting deflationism and suggest a few additional grounds. In Part II I discuss Edward's truth-pluralism and respond to his criticism of my correspondence-pluralism. While these pluralisms share significant features, their differences also raise several important questions.

Although the invariance criterion of logicality first emerged as a criterion of a purely mathematical interest, it has developed into a criterion of considerable linguistic and philosophical interest. In this paper I compare two different perspectives on this criterion. The first is the perspective of natural language. Here, the invariance criterion is measured by its success in capturing our linguistic intuitions about logicality and explaining our logical behavior in natural-linguistic settings. The second perspective is more theoretical. Here, the invariance criterion (...) is used as a tool for developing a theoretical foundation of logic, focused on a critical examination, explanation, and justification of its veridicality and modal force. (shrink)

In an opinion piece penned at the Great War’s onset yet apparently unpublished until now, the historian of religion Hermann Gunkel outlined the opportunities he saw for the German people in anticipation of their triumph. He believed this war could consummate what the Napoleonic Wars and the Unification of Germany had not. Gunkel hoped for true German unity, more liberal domestic politics, and spiritual restoration. Further still, he referred to a resurgence of piety on account of the conflict. On the (...) Great War’s centenary, this documentation speaks to the mobilizing, nationalist activities of Gunkel in particular and of academicians and theologians more generally. (shrink)

Paul Kurtz has been the dominant voice of secular humanism over the past thirty years. This compilation of his work reveals the scope of his thinking on the basic topics of our time and his many and varied contributions to the cause of free thought. It focuses on the central issues that have concerned Kurtz throughout his career: ethics, politics, education, religion, science, and pseudoscience. The chapters are linked by a common theme: the need for a new enlightenment, (...) one committed to the use of rationality and skepticism, but also devoted to realizing the highest values of humanist culture. Many writings included here were first published in magazines and journals long unavailable. Some of the essays have never before been published. They now appear as a coherent whole for the first time. Also included is an extensive bibliography of Kurtz's writings. Toward a New Enlightenment is essential for those who know and admire Paul Kurtz's work. It will also be an important resource for students of philosophy, political science, ethics, and religion. Among the chapters are: "Humanist Ethics: Eating the Forbidden Fruit"; "Relevance of Science to Ethics"; "Democracy without Theology"; "Misuses of Civil Disobedience"; "The Limits of Tolerance"; "Skepticism about the Paranormal: Legitimate and Illegitimate"; "Militant Atheism vs. Freedom of Conscience"; "Promethean Love: Unbound"; "The Case for Euthanasia"; and "The New Inquisition in the Schools.". (shrink)

Following Henkin's discovery of partially-ordered (branching) quantification (POQ) with standard quantifiers in 1959, philosophers of language have attempted to extend his definition to POQ with generalized quantifiers. In this paper I propose a general definition of POQ with 1-place generalized quantifiers of the simplest kind: namely, predicative, or "cardinality" quantifiers, e.g., "most", "few", "finitely many", "exactly α", where α is any cardinal, etc. The definition is obtained in a series of generalizations, extending the original, Henkin definition first to a general (...) definition of monotone-increasing (M↑) POQ and then to a general definition of generalized POQ, regardless of monotonicity. The extension is based on (i) Barwise's 1979 analysis of the basic case of M↑ POQ and (ii) my 1990 analysis of the basic case of generalized POQ. POQ is a non-compositional Ist-order structure, hence the problem of extending the definition of the basic case to a general definition is not trivial. The paper concludes with a sample of applications to natural and mathematical languages. (shrink)

Attention to the conversational role of alethic terms seems to dominate, and even sometimes exhaust, many contemporary analyses of the nature of truth. Yet, because truth plays a role in judgment and assertion regardless of whether alethic terms are expressly used, such analyses cannot be comprehensive or fully adequate. A more general analysis of the nature of truth is therefore required – one which continues to explain the significance of truth independently of the role alethic terms play in discourse. We (...) undertake such an analysis in this paper; in particular, we start with certain elements from Kant and Frege, and develop a construct of truth as a normative modality of cognitive acts (e.g., thought, judgment, assertion). Using the various biconditional T-schemas to sanction the general passage from assertions to (equivalent) assertions of truth, we then suggest that an illocutionary analysis of truth can contribute to its locutionary analysis as well, including the analysis of diverse constructions involving alethic terms that have been largely overlooked in the philosophical literature. Finally, we briefly indicate the importance of distinguishing between alethic and epistemic modalities. (shrink)

In this paper I investigate how differences in approach to truth and logic (in particular, a deflationist vs. a substantivist approach to these fields) affect philosophers’ views concerning pluralism and normativity in these fields. My perspective on truth and logic is largely epistemic, focusing on the role of truth in knowledge (rather than on the use of the words “true” and “truth” in natural language), and my reference group includes Carnap (1934), Harman (1986), Horwich (1990), Wright (1992), Beall and Restall (...) (2006), Field (2009), Lynch (2009), and Sher (2016a).1 Whenever possible, I focus on positive rather than negative views on the issues involved, although in some cases this is not possible. (shrink)

How does an object persist through change? How can a book, for example, open in the morning and shut in the afternoon, persist through a change that involves the incompatible properties of being open and being shut? The goal of this reader is to inform and reframe the philosophical debate around persistence; it presents influential accounts of the problem that range from classic papers by W. V. O. Quine, David Lewis, and Judith Jarvis Thomson to recent work by contemporary philosophers. (...) The authors take on the question of persistence by examining three broad approaches: perdurantism, which holds that change over time is analogous to change over space; exdurantism, according to which identity over time is analogous to identity across possible worlds; and endurantism, which holds that ordinary objects persist by enduring. Each of these approaches appears to be coherent, but each also has its own metaphysical problems. Persistence includes papers that argue for perdurantism, exdurantism, or endurantism, as well as papers that explore some metaphysical difficulties challenging each account. In this way the collection allows readers to balance the trade-offs of each approach in terms of intuitiveness, theoretical attractiveness, and elegance.Contributors:Yuri Balashov, William Carter, Graeme Forbes, Sally Haslanger, Katherine Hawley, H. S. Hestevold, Mark Hinchliffe, Mark Johnston, Roxanne Marie Kurtz, David K. Lewis, Ned Markosian, D. H. Mellor, W. V. O. Quine, Theodore Sider, Richard Taylor, Judith Jarvis Thomson, Peter van Inwagen, Dean Zimmerman. (shrink)

This paper offers a response to William’s Hanson’s criticism of Sher’s formal-structural conception of logical consequence and logical constants.

How should we conceptualize direct action against climate change? Although direct action is an increasingly significant tactic by the global climate movement, we lack understanding how direct action contributes to the systemic change necessary for addressing the crisis. Drawing upon critical theories of climate change as a crisis in the social reproduction of the metabolic relations between humans and nature in capitalism, I conceptualize direct action as attempts to intervene directly in the organization of the social metabolism, towards reorganizing these (...) relations in a more socially just and ecologically sustainable manner. My framework thus expands and clarifies the scope and potential of direct action as a means of confronting the capitalist climate crisis, as evidenced by Greta Thunberg’s school strike for climate. (shrink)

A fundamental question in the study of human cognition is how people learn to predict the category membership of an example from its properties. Leading approaches account for a wide range of data in terms of comparison to stored examples, abstractions capturing statistical regularities, or logical rules. Across three experiments, participants learned a category structure in a low‐dimension, continuous‐valued space consisting of regularly alternating regions of class membership (A B A B). The dependent measure was generalization performance for novel items (...) outside the range of the training space. Human learners often extended the alternation pattern––a finding of critical interest given that leading theories of categorization based on similarity or dimensional rules fail to predict this behavior. In addition, we provide novel theoretical interpretations of the observed phenomenon. (shrink)

The present crisis of truth, the "post-truth" crisis, puts the philosophy of truth in a new light. It calls for a reexamination of the tasks of the philosophy of truth and sets a new adequacy condition on this philosophy. One of the central roles of the philosophy of truth is to explain the importance of truth for human life and civilization. Among other things, it has to explain what is, or will be, lost in a post-truth era. Clearly, the deflationist (...) answer that the role of truth is to serve as a tool of generalization and oblique endorsement will not do. My account of truth in this paper addresses this task. Truth, I argue, is first and foremost a human value. Its importance to our life/civilization lies, not exclusively, but principally, in the centrality of this value to our humanity. I investigate the ramifications of this answer to the issues discussed in the contemporary philosophy of truth, and I end with a comparison of the substantivist and deflationist approaches to truth in light of this new perspective. (shrink)

The paper seeks to answer two new questions about truth and scientific change: What lessons does the phenomenon of scientific change teach us about the nature of truth? What light do recent developments in the theory of truth, incorporating these lessons, throw on problems arising from the prevalence of scientific change, specifically, the problem of pessimistic meta-induction?

In the early part of the 20th century the logical positivists launched a powerful attack on traditional philosophy, rejecting the very idea of philosophy as a substantive discipline and replacing it with a practical, conventionalist, meta-theoretical view of philosophy. The positivist critique was based on a series of dichotomies: the analytic vs. the synthetic, the external vs. the internal, the apriori vs. the empirical, the meta-theoretical vs. the object- theoretical, the conventional vs. the factual. Quine's attack on the positivists' dichotomies (...) was, by extension (if not by intention), also an attack on their critique of philosophy. Quine's own theory, however, in time took an extreme naturalistic turn that, if anything, deepened the schism between philosophy and knowledge. -/- In this paper I show that many of Quine's early philosophical ideas - his denial of the analytic-synthetic distinction, his thesis of the interconnectedness of knowledge, his universal revisability thesis, his principle of the inseparability of language and theory, his methodological pragmatism, and his realism - are in fact compatible with a substantive philosophy. Moreover, certain inner tensions in Quine's theory naturally lead to a new model of knowledge in which philosophy plays a substantive role: not as a "first philosophy", or as a "meta-science", or as a "chapter in psychology", but as an independent discipline in its own right, alongside, continuous with, and complementary to, science. (shrink)

Properties and relations in general have a certain degree of invariance, and some types of properties/relations have a stronger degree of invariance than others. In this paper I will show how the degrees of invariance of different types of properties are associated with, and explain, the modal force of the laws governing them. This explains differences in the modal force of laws/principles of different disciplines, starting with logic and mathematics and proceeding to physics and biology.

The paper presents an outline of a unified answer to five questions concerning logic: (1) Is logic in the mind or in the world? (2) Does logic need a foundation? What is the main obstacle to a foundation for logic? Can it be overcome? (3) How does logic work? What does logical form represent? Are logical constants referential? (4) Is there a criterion of logicality? (5) What is the relation between logic and mathematics?

In chapter one I cover the basic concepts developed in Being and Nothingness, notable those of "temporality," "negation," "anguish" and "bad faith." In chapter two I move from the individual as the center of free action, to the individual in relation to the Other. In chapter three I attempt to unify the perspectives in the first two chapter and present a theory of action. In chapter four I introduce the reader to the Critique and establish its thematic links with Being (...) and Nothingness. In chapter five I analyze the ramifications of the concept of the practico-inert, which, for Sartre, is inseparable from human sociality. In chapter six I deal with the concept of organization, which refers to the contradictions within the social group as it moves into advanced stages of social integration. In chapter seven I cover the concepts of power and authority. Chapter eight deals with the idea of dialectical humanism and highlights essential concepts in the work by way of concluding it. --Introduction. (shrink)