Abduction is considered the most powerful, but also the most controversially discussed type of inference. Based on an analysis of Peirce’s retroduction, Lipton’s Inference to the Best Explanation and other theories, a new theory of abduction is proposed. It considers abduction not as intrinsically explanatory but as intrinsically conditional: for a given fact, abduction allows one to infer a fact that implies it. There are three types of abduction: Selective abduction selects an already known conditional whose consequent is the given (...) fact and infers that its antecedent is true. Conditional-creative abduction creates a new conditional in which the given fact is the consequent and a defined fact is the antecedent that implies the given fact. Propositional-conditional-creative abduction assumes that the given fact is implied by a hitherto undefined fact and thus creates a new conditional with a new proposition as antecedent. The execution of abductive inferences is specified by theory-specific patterns. Each pattern consists of a set of rules for both generating and justifying abductive conclusions and covers the complete inference process. Consequently, abductive inferences can be formalised iff the whole pattern can be formalised. The empirical consistency of the proposed theory is demonstrated by a case study of Semmelweis' research on puerperal fever. (shrink)

The essay compares Peirce's pragmatist approach to the problem of perceptual experience as a fallible foundation of knowledge to a sophisticated empiricist take on the issue. The comparison suggests that, while empiricism can accommodate the idea of perception as fallible, theoretically laden, and containing conjectural elements, the cardinal difference between pragmatism and empiricism consists in the pragmatist insistence on the intrinsic intelligibility of experience, which also serves as the ultimate source of all forms of intelligibility; whereas empiricism retains a penchant (...) for fitting experiences into abstract conceptual schemes. (shrink)

The purpose of this article is to start a dialogue between the so-called autopoietic enactivism and the semiotic pragmatism of C. S. Peirce, in order to re-examine both action and representation under a Peircean light. The focus lays on autopoietic enactivism because this approach offers a wider theoretical scope to cognition based on the continuity of life and mind, embodiment, dynamic and non-linear interaction between a system and its environment which are compatible ideas with Peirce’s semiotic pragmatism. The term ‘pragmatic’ (...) has been introduced in cognitive science to reinforce the idea that cognition is a form of practice and to help action-oriented viewpoints to escape representationalism. In this paper, I shall try to demonstrate that Peirce’s semiotic pragmatism can be a meaningful methodological path to guide a reconciliation between not only anti-Cartesianism and representation but also representation and action. In order to accomplish this purpose, Peirce’s account to action, habit, thought and mind will be addressed through some of the guiding principles of his semiotic—sign and sign action. What follows is the re-examining of the problem of representation—as refuted by autopoietic enactivism—under the light of Peirce’s semiotic pragmatism. (shrink)

A close reading of Descartes’ works, particularly his Regulae ad Directionem Ingenii, calls into question the common interpretation of Peirce’s ‘Questions Concerning Certain Faculties Claimed for Man’ and ‘Some Consequences of Four Incapacities’ as being anti-Cartesian. In particular, Descartes’ conception of intuition differs from Peirce’s, and on one plausible reading of Descartes his intuitionism actually mirrors Peirce’s inferentialism in key respects. Given these similarities between Descartes and Peirce, the dogmatic status of the anti-Cartesian interpretation of Peirce becomes evident.

I argue against the tendency in the philosophy of science literature to link abduction to the inference to the best explanation (IBE), and in particular, to claim that Peireean abduction is a conceptual predecessor to IBE. This is not to discount either abduction or IBE. Rather the purpose of this paper is to clarify the relation between Peireean abduction and IBE in accounting for ampliative inference in science. This paper aims at a proper classification—not justification—of types of scientific reasoning. In (...) particular, I claim that Peireean abduction is an in-depth account of the process of generating explanatory hypotheses, while IBE, at least in Peter Lipton's thorough treatment, is a more encompassing account of the processes both of generating and of evaluating scientific hypotheses. There is then a two-fold problem with the claim that abduction is IBE. On the one hand, it conflates abduction and induction, which are two distinct forms of logical inference, with two distinct aims, as shown by Charles S. Peirce; on the other hand it lacks a clear sense of the full scope of IBE as an account of scientific inference. (shrink)

O propósito deste artigo é mostrar a relação entre a experiência perceptiva e o raciocínio abdutivo em C.S. Peirce. Ademais, apresento a abdução como uma expressão lógica, prática e criativa apta a introduzir uma novidade no reino do conhecimento, através de um sistema de signos gráficos. A noção peirciana de experiência está relacionada com a de uma práxis interpretativa e criativa, que não se limita ao recebimento ou registro de dados pré-constituídos passivamente. Nesse sentido, a abdução é o hábito lógico (...) vivo que explica o mundo percebido como um caso particular de um mundo concebível, no qual uma regra geral ou hipótese é efetivo. Apresentarei a abdução como um raciocínio que infere a causa a partir do efeito, o antecedente a partir do consequente, a ordem geral de um fato percebido particular e um “extra comum”. A abdução não apenas estabelece um fato singular, mas torna o fato visível dentro de um novo contexto de relações possíveis. Assim, quando vemos uma figura, nós não vemos somente uma mera figura, mas uma figura “como se” ela fosse o resultado percebido de um sistema geral de relações possíveis. O gesto da mão dá existência à figura e a torna visível para nós, pois ela descobre essas relações que constituem o contexto de interpretação da figura. Nesse aspecto, o gesto gráfico consiste na concretização prática que permite uma interpretação topológica possível do mundo real percebido. (shrink)

Este artículo presenta un enfoque del problema de la relación entre abducción y percepción en la filosofía de C. S. Peirce, tratando de mostrar la percepción y la abducción, o hipótesis, como procesos creativos capaces de introducir una novedad en el conocimiento. En primer lugar se muestra cómo cada conocimiento, incluso el lógico, está fundamentado en la experiencia de la percepción, y cómo esta presupone una continuidad cosmológica entre la mente y el mundo para poder funcionar. Sucesivamente se pone en (...) evidencia cómo la hipótesis no es nada más que aquel procedimiento que reconoce, como un relámpago, esta continuidad cosmológica de experiencia entre la mente y el mundo. Finalmente, la abducción se configura como un razonamiento que, libremente, obstruye y modifica el flujo continuo de. (shrink)

Kelly’s work was formed and developed in the context of the American philosophical movement known as pragmatism. The major figures to which this tradition is attributed are Charles S. Peirce, William James and John Dewey. In Personal Construct Psychology, Dewey was acknowledged by Kelly and by subsequent writers as perhaps his most important influence. It has recently become increasingly apparent, however that Peirce was a much more pervasive and crucial influence on James and Dewey than has previously been recognized. Kelly (...) did not mention Peirce but a close reading of the two writers reveals a remarkable correspondence and relationship between their two bodies of work. To set these two thinkers side by side proves to be an interesting and productive exercise. In this paper, after introducing Peirce and examining the relationship between him and Dewey, Kelly’s basic philosophical assumptions, as outlined at the beginning of Volume 1 of the Psychology of Personal Constructs, are used as a framework for exploring their similarities and differences. The result is an enrichment of our understanding of Kelly’s philosophy which allows us to make links with many different subsequent thinkers’ ideas and provides a basis for exploring the psychological aspects of the two men’s work. The latter forms the subject of Part II of this series which is in preparation. (shrink)

Kelly suggested that it was useful to consider anyone as functioning as a scientist, in the business of applying theories, making hypotheses and predictions and testing them out in the practice of everyday life. One of Charles Peirce’s major contributions was to develop the disciplines of logic and the philosophy of science. We can deepen and enrich our understanding of Kelly’s vision by looking at what Peirce has to say about the process of science. For Peirce, the essence of science (...) was the application of the laws of inference. He developed a much broader concept of logic, elaborating the processes of deduction and induction and adding to these the logic of hypothetical inference, or ‘abduction’, even as Kelly broadened it further in his “departure from classical logic”. Examining the implications of these three forms of inference allows us to elaborate the dynamics involved in the process of construing, ordinacy and the cycles of experience, creativity and decision making. This is the second of a three part series examining the relationship between the work of Peirce and Kelly. The third will include a look at phenomenology, bipolarity, the self, dialogical process and sociological considerations. (shrink)

This paper deals with Peirce’s understanding of perceptual judgment, relating it to the conditions for the use of language defined by Michael Dummett. Namely, drawing on Dummett’s requirement for harmony between descriptive and evaluative aspects of our linguistic practice, we will try to give an interpretation of Peirce’s view of perception that implies rejecting the idea that the formation of a perceptual judgment has an inferential structure. On the other hand, since it is, in Peirce’s opinion, the structure of abductive (...) inference, this approach should enable us to draw some conclusions related to abduction in general. (shrink)

One of the least explored areas of C.S. Peirce's wide range of work is his contributions to psychology and the philosophy of mind. This dissertation examines the corpus of this work, especially as it relates to the subjects of mind, habit, instinct, sentiment, emotion, perception, consciousness, cognition, and community. The argument is that Peirce's contributions to these areas of investigation were both highly original and heavily influenced by the main intellectual currents of his time. An effort has been made to (...) present Peirce's philosophy without apology, within the conceptual framework and idiom of its time, and without appeal to a comprehensive view that Peirce never articulated. Nevertheless, as several noted interpreters have argued, much of this work can be viewed through the lens of Peirce's innovative theory of signs and the notion of the semiotic triad as its central unifying feature, despite the fact that the general theory was itself under continuous refinement and remained incomplete at the time of his death. Another hermeneutical device employed is William James' better known and more accessible work which, when juxtaposed with Peirce's ideas, serves to bring them into sharper relief. While general and historical in the presentation of material, this study seeks, at the same time, to engage the criticism of contemporary Peirce scholars in an attempt to account for several of the conundrums inherent in Peirce's work. Among the problems with implications for his philosophy of mind and theory of inquiry are the limitations of his theory of continuity, his negative view of the self, his somewhat ambiguous position on the relation of psychology to logic, and the metaethical puzzle arising from application of his theory of probable inference to truly fateful decisions. These problems provide an interesting perspective and lend balance to the truly insightful contributions Peirce made to the discovery of the mind. (shrink)