Informal Logic

ISSN: 0824-2577

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  1.  5
    What are Deep Disagreements?Gustavo Javier Arroyo - 2025 - Informal Logic 44 (4):604-635.
    The scholarship on deep disagreements presents us with a considerable number of seemingly disparate characterizations concerning the nature of these disputes. This paper is motivated by the desire to grasp what these characterizations are. An answer is provided through the method of reconstructive analysis. Two ideal and paradigmatic models of deep disagreements are defined initially. Then, individual characterizations found in the scholarship are examined against the background of such models. Special attention is given to Fogelin’s paper, the work that initiates (...)
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  2. What are Deep Disagreements?Gustavo Javier Arroyo - 2025 - Informal Logic 44 (4):604–635.
    _Abstract: _The scholarship on deep disagreements presents us with a considerable number of seemingly disparate characterizations concerning the nature of these disputes. This paper is motivated by the desire to grasp what these characterizations are. An answer is provided through the method of reconstructive analysis. Two ideal and paradigmatic models of deep disagreements are defined initially. Then, individual characterizations found in the scholarship are examined against the background of such models. Special attention is given to Fogelin’s paper, the work that (...)
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  3.  5
    How do Explanations Justify?Petar Bodlović & Marcin Lewiński - 2025 - Informal Logic 44 (4):636-682.
    The paper presents an extended scheme for the inference to the best explanation (IBE). The scheme precisely treats the epistemic modifiers (“hypothetically,” “plausibly,” “presumably”) of the inference, acknowledges its contrastive nature, clarifies the logical support between premises and conclusions (linked, convergent, and serial support), and introduces additional premises essential for inferring justified conclusions (especially those related to causal explanations and more demanding standards of proof). Overall, it advances the existing schemes for IBE in argumentation theory and treats IBE as a (...)
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  4. Reply to Yu and Zenker.James Freeman - 2025 - Informal Logic 44 (4):502-508.
    Yu and Zenker (2022) argue that the oft-made distinction between convergent and linked argument structure is problematic. If their account holds, the linked/convergent distinction, at least as I have characterized it (Freeman 2011), seems to violate the dictum that structural analysis should come before evaluation. In this Reply I defend the position that we do not need to estimate or determine argument strength to determine whether the premises of an argument are linked or convergent. Résumé: Yu et Zenker (2022) soutiennent (...)
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  5.  1
    John Hayden Woods 1937-2024.Andrew Irvine - 2025 - Informal Logic 44 (4):487-501.
    In Memoriam - John Hayden Woods (1937-2024).
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  6.  1
    On the Virtue-theoretic Approach to Argument Appraisal.Matthew William McKeon - 2025 - Informal Logic 44 (4):573-603.
    Two criticisms of the virtue-theoretic approach to argument appraisal are as follows. First, it is inadequate as argument cogency is conceptually independent of the characteristics of arguers (Bowell and Kingsbury 2013). Second, it is unmotivated since the viability of virtue argumentation theory (VAT) doesn’t require a virtue-theoretic approach to argument appraisal. This deflates the first criticism as an evaluation of VAT (Gascon 2016, Paglieri 2015). I consider each and explain why it is misguided highlighting the connection between the general concept (...)
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  7.  7
    Arguing About Arguing with Arguments.Harvey Siegel - 2025 - Informal Logic 44 (4):509-542.
    I am most grateful to the editors of Informal Logic for their willingness to publish my absurdly long paper (Siegel 2023a) in its entirety, and for organizing the four commentaries published along with it. I am grateful as well to Bart Garssen, Andrew Aberdein, Paula Olmos and Christoph Lumer for their insightful and challenging discussions. In what follows I respond to their criticisms and suggestions in the order in which they appear in the journal. Résumé: Je suis très reconnaissant aux (...)
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  8.  2
    Is False Dilemma Really a Formal Fallacy?Taeda Tomic - 2025 - Informal Logic 44 (4):543-572.
    We argue that Conces’ and Walters’ tool FM2.0 is valuable but does not show that false dilemma is a formal fallacy. The FM2.0 assumes an ambiguous use of the term ‘formal fallacy’, different from how the term is used in logic, and may show that any argument is a formal fallacy. Moreover, the FM2.0 is developed by using one type of false disjunctive syllogism. However, the adequate application of FM2.0 on false dilemma does not lead to an invalid augmented argument, (...)
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  9.  1
    Small but Significant Errata/Typos in the Paper “The Distinction Between False Dilemma and False Disjunctive Syllogism”.Taeda Tomic - 2025 - Informal Logic 44 (4):683.
    In the paper The Distinction Between False Dilemma and False Disjunctive Syllogism, by Taeda Tomić, Informal Logic vol. 41, No 4 (2021), pp. 607-639, there are typos in Figure 12, on page 630.
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