There has been growing excitement in recent years about “dual‐character” concepts. Philosophers have argued that such concepts can help us make progress on a range of philosophical issues, from aesthetics to law to metaphysics. Dual‐character concepts are thought to have a distinctive internal structure, which relates a set of descriptive features to an abstract value, and which allows people to use either the descriptive features or the abstract value for determining the extension of the concept. Here, we skeptically investigate the (...) central argument in favor of their existence. Across three new empirical studies, we systematically demonstrate that the linguistic patterns that dual‐character concepts were originally posited to explain are likely better explained by much more general features of language use. (shrink)

In the article, referring to the method of rational reconstruction described by R. Rorty, an analysis of some works of J. Locke has been made in order to identify new prospects in John Locke's philosophy researches. As a result, it’s been demonstrated the presence of silence as an argument and a manifestation of respect J. Locke’s research of realms of cognition, political philosophy and philosophy of education. This is not covered in modern John Locke's philosophy researches. The authors emphasize that (...) J. Locke, although not directly exploring silence as an argument, however, describes the argument ad ignorantiam, the wording of which in the work «An Essay Concerning Human Understanding» and his understanding of tacit consent in the work «Two Treatises of Government» are related to silence as an argument and a manifestation of respect. The position that silence as an argument is present in all four arguments described by J. Locke is substantiated. Additionally, the argument ad ignorantiam can be considered both as an argument from silence and as a kind of argument to silence. Considered arguments can serve as an argument to silence for the proponent and/or the third party, that is, anyone who is not directly involved in the dispute. Basing on J. Locke's explanation of the characteristic feature of tacit consent, that is, the absence of the expressed consent/disagreement, the possibility of distinguishing the indirect connection between tacit consent and the argument ad ignorantiam is demonstrated, since both tacit consent and the argument ad ignorantiam in J. Locke's works rely on the absence of expressed statements on the consent or disagreement of the opponent. It is established that the ideas of the education of children described by J. Locke also correlate with silence as an argument and a manifestation of respect. Applying the classification of the types of respect proposed by S. Hudson and complemented by R. Dillon to the use of the term «respect» to the various texts of J. Locke, it is substantiated that described by him respect covered almost all kinds of this classification. (shrink)

Inferences from the absence of evidence to something are common in ordinary speech, but when used in scientific argumentations are usually considered deficient or outright false. Yet, as demonstrated here with the help of various examples, archaeologists frequently use inferences and reasoning from absence, often allowing it a status on par with inferences from tangible evidence. This discrepancy has not been examined so far. The article analyses it drawing on philosophical discussions concerning the validity of inference from absence, using probabilistic (...) models that were originally developed to show that such inferences are weak and inconclusive. The analysis reveals that inference from absence can indeed be justified in many important situations of archaeological research, such as excavations carried out to explore the past existence and time-span of sedentary human habitation. The justification is closely related to the fact that archaeology explores the human past via its material remains. The same analysis points to instances where inference from absence can have comparable validity in other historical sciences, and to research questions in which archaeological inference from absence will be problematic or totally unwarranted. (shrink)

In this essay I propose an interpretative and explanatory structure for the so-called argumentum ex silento, or argument from silence (henceforth referred to as the AFS). To this end, I explore two examples, namely, Sherlock Holmes’s oft-quoted notice of the “curious incident of the dog in the night-time” from Arthur Conan Doyle’s short story “Silver Blaze,” and the historical question of Paul of Tarsus’s silence on biographical details of the historical Jesus. Through these cases, I conclude that the AFS serves (...) as a dialogical topos best evaluated and understood through the perceived authority of the arguer and the willingness of the audience to accept that authority, due to the “curious” nature of the negative evidence that the argument employed. (shrink)

This article seeks, first, to show that much of the existing normative work on argument from expert opinion (AEO) is problematic for failing to be properly informed by empirical findings on expert performance. Second, it seeks to show how, with the analytic tool of Bayesian reasoning, the problem diagnosed can be remedied to circumvent some of the problems facing the scheme-based treatment of AEOs. To establish the first contention, we will illustrate how empirical studies on factors conditioning expert reliability can (...) be drawn upon to re-construct. Walton’s critical questions matching the scheme of AEOs. To establish the second contention, we will illustrate how Walton’s re-constructed set of critical questions can be formalized within a Bayesian network. Finally, we will highlight how the specific ways in which the Bayesian framework we propose is both continuous with and distinct from the models of source reliability put forward by theorists like Bovens and Hartmann (2003). (shrink)

In the article, referring to the method of rational reconstruction described by R. Rorty, an analysis of some works of J. Locke has been made in order to identify new prospects in John Locke's philosophy researches. As a result, it’s been demonstrated the presence of silence as an argument and a manifestation of respect J. Locke’s research of realms of cognition, political philosophy and philosophy of education. This is not covered in modern John Locke's philosophy researches. The authors emphasize that (...) J. Locke, although not directly exploring silence as an argument, however, describes the argument ad ignorantiam, the wording of which in the work «An Essay Concerning Human Understanding» and his understanding of tacit consent in the work «Two Treatises of Government» are related to silence as an argument and a manifestation of respect. The position that silence as an argument is present in all four arguments (argumentum ad verecundiam, argumentum ad ignorantiam, argumentum ad hominem, argumentum ad judicium) described by J. Locke is substantiated. Additionally, the argument ad ignorantiam can be considered both as an argument from silence (ex silentio argument) and as a kind of argument to silence. Considered arguments can serve as an argument to silence for the proponent and/or the third party, that is, anyone who is not directly involved in the dispute. Basing on J. Locke's explanation of the characteristic feature of tacit consent, that is, the absence of the expressed consent/disagreement, the possibility of distinguishing the indirect connection between tacit consent and the argument ad ignorantiam is demonstrated, since both tacit consent and the argument ad ignorantiam in J. Locke's works rely on the absence of expressed statements on the consent or disagreement of the opponent. It is established that the ideas of the education of children described by J. Locke also correlate with silence as an argument and a manifestation of respect. Applying the classification of the types of respect proposed by S. Hudson and complemented by R. Dillon to the use of the term «respect» to the various texts of J. Locke, it is substantiated that described by him respect covered almost all kinds of this classification. (shrink)