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Tommaso Piazza
Universita' degli Studi di Pavia
  1. Transmission of Justification and Warrant.Luca Moretti & Tommaso Piazza - 2013 - The Stanford Encyclopedia of Philosophy.
    Transmission of justification across inference is a valuable and indeed ubiquitous epistemic phenomenon in everyday life and science. It is thanks to the phenomenon of epistemic transmission that inferential reasoning is a means for substantiating predictions of future events and, more generally, for expanding the sphere of our justified beliefs or reinforcing the justification of beliefs that we already entertain. However, transmission of justification is not without exceptions. As a few epistemologists have come to realise, more or less trivial forms (...)
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  2. When Warrant Transmits and When It Doesn’T: Towards a General Framework.Luca Moretti & Tommaso Piazza - 2013 - Synthese 190 (13):2481-2503.
    In this paper we focus on transmission and failure of transmission of warrant. We identify three individually necessary and jointly sufficient conditions for transmission of warrant, and we show that their satisfaction grounds a number of interesting epistemic phenomena that have not been sufficiently appreciated in the literature. We then scrutinise Wright’s analysis of transmission failure and improve on extant readings of it. Nonetheless, we present a Bayesian counterexample that shows that Wright’s analysis is partially incoherent with our analysis of (...)
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  3. Epistemologia delle fake news.Tommaso Piazza & Michel Croce - 2019 - Sistemi Intelligenti 31 (3):433-461.
    Questo articolo prende in esame il fenomeno della proliferazione di fake news da un punto di vista filosofico—anzi, per meglio dire, prettamente epistemologico—con particolare attenzione a tre questioni fondamentali: cosa sono le fake news e come debbano essere definite; quali meccanismi ne favoriscono la proliferazione sui social media; chi debba essere ritenuto responsabile e degno di biasimo nel processo sotteso alla generazione, pubblicazione e diffusione di fake news. A partire dall'analisi dei principali lavori nella letteratura filosofica sul tema, ci proponiamo (...)
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  4. Phenomenal Conservatism and Bergmann’s Dilemma.Luca Moretti & Tommaso Piazza - 2015 - Erkenntnis 80 (6):1271-1290.
    In this paper we argue that Michael Huemer’s phenomenal conservatism—the internalist view according to which our beliefs are prima facie justified if based on how things seems or appears to us to be—doesn’t fall afoul of Michael Bergmann’s dilemma for epistemological internalism. We start by showing that the thought experiment that Bergmann adduces to conclude that is vulnerable to his dilemma misses its target. After that, we distinguish between two ways in which a mental state can contribute to the justification (...)
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  5. Evidentialism and the Problem of Stored Beliefs.Tommaso Piazza - 2009 - Philosophical Studies 145 (2):311 - 324.
    Many stored beliefs, like beliefs in one’s personal data or beliefs in one’s area of expertise, intuitively amount to knowledge, and so are justified. This uncontroversial datum arguably tells against evidentialism, the position according to which a belief is justified if it fits the available evidence: stored beliefs are normally not sustained by one’s available evidence. Conee and Feldman have tried to meet this potential objection by relaxing the notion of available evidence. According to their proposal, stored beliefs are dispositionally (...)
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  6.  41
    Problems for Mainstream Evidentialism.Tommaso Piazza - 2017 - Canadian Journal of Philosophy 47 (1):148-165.
    Evidentialism says that a subject S’s justification is entirely determined by S’s evidence. The plausibility of evidentialism depends on what kind of entities constitute a subject S’s evidence and what one takes the support relation to consist in. Conee and Feldman’s mainstream evidentialism incorporates a psychologist answer to and an explanationist answer to. ME naturally accommodates perceptual justification. However, it does not accommodate intuitive cases of inferential justification. In the second part of the paper, I consider and reject a reply (...)
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  7.  16
    The Quest for the Synthetic a Priori: Husserl and Schlick's Debate Revisited.Tommaso Piazza - 2004 - In Arkadiusz Chrudzimski & Wolfgang Huemer (eds.), Phenomenology and Analysis: Essays on Central European Philosophy. Ontos. pp. 233-256.
  8.  57
    Alethic Determinism. Or: How to Make Free Will Inconsistent with Timeless Truth.Nicola Ciprotti & Tommaso Piazza - 2013 - Logique and Analyse 56 (221):85-99.
    The paper purports to show that truth-atemporalism, the thesis that truth is timeless, is incompatible with power to do otherwise. Since a parallel and simpler argument can be run to the effect that truth-omnitemporalism, the thesis that truth is sempiternal, is incompatible with power to do otherwise, our conclusion achieves greater generality, and the possible shift from the claim that truth is omnitemporal to the claim that it is atemporal becomes useless for the purpose to resist it. On the other (...)
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  9.  41
    Misinformation and Intentional Deception: A Novel Account of Fake News.Michel Croce & Tommaso Piazza - forthcoming - In Maria Silvia Vaccarezza & Nancy Snow (eds.), Virtues, Democracy, and Online Media: Ethical and Epistemic Issues. Routledge.
    This chapter introduces a novel account of fake news and explains how it differs from other definitions on the market. The account locates the fakeness of an alleged news report in two main aspects related to its production, namely that its creators do not think to have sufficient evidence in favor of what they divulge and they fail to display the appropriate attitude towards the truth of the information they share. A key feature of our analysis is that it does (...)
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  10. Defeaters in Current Epistemology: Introduction to the Special Issue.Luca Moretti & Tommaso Piazza - 2018 - Synthese 195 (7):2845-2854.
  11. The Many Ways of the Basing Relation.Luca Moretti & Tommaso Piazza - 2019 - In Joseph Adam Carter & Patrick Bondy (eds.), Well Founded Belief: New Essays on the Epistemic Basing Relation. London: Routledge.
    A subject S's belief that Q is well-grounded if and only if it is based on a reason of S that gives S propositional justification for Q. Depending on the nature of S's reason, the process whereby S bases her belief that Q on it can vary. If S's reason is non-doxastic––like an experience that Q or a testimony that Q––S will need to form the belief that Q as a spontaneous and immediate response to that reason. If S's reason (...)
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  12.  46
    An Epistemology for the Platonist? Platonism, Field’s Dilemma, and Judgment-Dependent Truth.Tommaso Piazza - 2011 - Grazer Philosophische Studien 83 (1):67-92.
    According to Hartry Field, the mathematical Platonist is hostage of a dilemma. Faced with the request of explaining the mathematicians’ reliability, one option could be to maintain that the mathematicians are reliably responsive to a realm populated with mathematical entities; alternatively, one might try to contend that the mathematical realm conceptually depends on, and for this reason is reliably reflected by, the mathematicians’ (best) opinions; however, both alternatives are actually unavailable to the Platonist: the first one because it is in (...)
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  13.  84
    A Priori Knowledge: Toward a Phenomenological Explanation.Tommaso Piazza - 2007 - Ontos.
    The book sets out to analyse the notion of a priori justification and of a priori knowledge.
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  14.  42
    Conhecimento por especialista, evidência e informação.Tommaso Piazza - 2010 - Veritas – Revista de Filosofia da Pucrs 55 (2):42-59.
    In this paper I argue that the existence of expert knowledge potentially poses a problem for Evidentialism, the view that a person’s justification supervenes on the evidence this person has. An expert is the kind of person from which knowledge (or justified belief) is expected in situations in which a non-expert would normally not attain knowledge (or justified belief); so, potentially, the epistemic status of their beliefs differ even if the evidence they possess seems to be the same. A viable (...)
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  15.  30
    Counterfeiting Perceptual Experience: Scepticism, Internalism, and the Disjunctive Conception of Experience.Tommaso Piazza - 2016 - Journal of Consciousness Studies 23 (7-8):100-131.
    Along with what McDowell has called the disjunctive conception of experience (DCE), and against a venerable tradition, the veridical experience that P and the subjectively indistinguishable hallucination that P are not type-identical mental states. According to McDowell, a powerful motivation for DCE is that it makes available the sole internalistically acceptable way out of a sceptical argument targeting the possibility of perceptual knowledge. In this paper I state in explicit terms the sceptical argument McDowell worries about, and show that DCE (...)
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  16.  16
    Evidencialismo.Tommaso Piazza - 2017 - Compêndio Em Linha de Problemas de Filosofia Analítica.
    Evidentialism is an internalist view (or family of views) about epistemic justification saying that a subject s’s epistemic justification entirely depends on the evidence at her disposal. In order to distil a complete theory of epistemic justification from this general principle it is necessary to answer three main questions. What kind of entities constitute a subject’s evidence? What does it take for a piece of evidence E to support a proposition P? What does it take for a subject s to (...)
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  17.  25
    Epistemic Defeaters.Tommaso Piazza - forthcoming - Routledge Encyclopedia of Philosophy.
    Article Summary You reach for the bowl with ‘sugar’ written on it only to discover, from the bad taste of your coffee, that it contained salt. Mundane experiences like these show that epistemic justification does not necessarily hold stable across possible changes of information. One can be justified in believing a proposition at a certain time (that the bowl contains sugar) and cease to be justified at a later time, as one enlarges one’s epistemic perspective (as one drinks a salty (...)
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  18.  24
    Hume's Argument Against Miracles.Tommaso Piazza - 2011 - In Michael Bruce & Steven Barbone (eds.), Just the Arguments: 100 of the Most Important Arguments in Western Philosophy. Wiley-Blackwell.
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  19.  10
    Il convegno fiorentino della SFI.Tommaso Piazza - 2000 - Rivista di Storia Della Filosofia 1.
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  20.  76
    On Inconsistent Entities. A Reply to Colyvan.Tommaso Piazza & Francesco Piazza - 2010 - Philosophical Studies 150 (2):301 - 311.
    In a recent article M. Colyvan has argued that Quinean forms of scientific realism are faced with an unexpected upshot. Realism concerning a given class of entities, along with this route to realism, can be vindicated by running an indispensability argument to the effect that the entities postulated by our best scientific theories exist. Colyvan observes that among our best scientific theories some are inconsistent, and so concludes that, by resorting to the very same argument, we may incur a commitment (...)
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  21.  11
    Platonism, and Mind-Independent Existence.Tommaso Piazza - 2009 - Grazer Philosophische Studien 78 (1):159-183.
    According to a common presentation, Platonism in the philosophy of mathematics is the view according to which the entities with which mathematics is concerned, numbers, are abstract objects which exist independently of the mind. The latter feature, in particular, is alleged to secure the “realist” component of mathematical Platonism. Surprisingly enough, however, this characterization of Platonism is not normally paired with a philosophical explanation of the implicated notion of mind-dependent existence. Since there seems to be more than one metaphysically relevant (...)
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  22.  64
    Perceptual Evidence and Information.Tommaso Piazza - 2010 - Knowledge, Technology & Policy 23 (1-2):75-95.
    Quite recently, Luciano Floridi has put forward the fascinating suggestion that knowledge should be analyzed as special kind of information, in particular as accounted information. As I will try tentatively to show, one important consequence of Floridi’s proposal is that the notion of justification, and of evidence, should play no role in a philosophical understanding of knowledge. In this paper, I shall suggest one potential difficulty with which Floridi’s proposal might be consequently afflicted, yet accept the fundamental suggestion that traditional (...)
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  23.  11
    Truth and Warranted Assertibility.Tommaso Piazza - 2008 - Philosophia Scientiae 12 (1):125-141.
    The article addresses the question whether the semantic realist should accept the principle according to which every reason to think that a statement is true is a reason to think that the statement is warrantedly assertible, and vice versa. As against W. Alston’s suggestion, according to which the acceptance of commits one to regarding “true” and “warrantedly assertible” as having the same extension, it is argued that just follows from the neutral assumption, also shared by Alston, that the acceptance of (...)
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  24.  10
    Truth and Warranted Assertibility.Tommaso Piazza - 2008 - Philosophia Scientae 12:125-141.
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  25.  13
    Trivializing Cognitive Command.Tommaso Piazza - 2005 - European Journal of Analytic Philosophy 1 (2):51-66.
    In this paper I criticize Wright’s claim that Cognitive Command is a significant test for discerning realist from antirealist discourses. The antirealist semantics explicitly advocated by Wright, entails that every discourse whose truth predicate is superassertibility exerts Cognitive Command, and so that every assertoric discourse deserves a realistic treatment. Whenever two disputants disagree as to the truth value of a sentence expressible within the discourse, provided that they master the relevant vocabulary, they must have committed a cognitive mistake. For they (...)
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  26.  5
    The Evidence of the Senses is No Evidence From the Senses.Tommaso Piazza - 2013 - History of Philosophy & Logical Analysis 16 (1):174-191.
    In the first part of this paper I suggest that Dogmatism about perceptual justification – the view that in the most basic cases, perceptual justification is immediate – commits to rejecting Evidentialism, as it commits, specifically, to accounting for the mechanics of perceptual justification otherwise than by maintaining that perceptual experiences justify by providing evidence. In the second part of the paper, by following W. Hopp’s recent interpretation of Husserl’s Sixth Logical Investigation, I suggest that Husserl’s theory of fulfilment provides (...)
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  27. The Value of Truth and the Normativity of Evidence.Tommaso Piazza - forthcoming - Synthese.
    To say that evidence is normative is to say that what evidence one possesses, and how this evidence relates to any proposition, determines which attitude among believing, dis-believing and withholding one ought to take toward this proposition if one deliberates about whether to believe it. It has been suggested by McHugh that this view can be vindi-cated by resting on the premise that truth is epistemically valuable. In this paper, I modify the strategy sketched by McHugh so as to overcome (...)
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  28.  60
    Weak Non-Evidentialism.Tommaso Piazza - forthcoming - In Nikolaj Jang Lee Linding Pedersen & Luca Moretti (eds.), Non-Evidentialist Epistemology. Brill.
    First aim of this paper is to show that Evidentialism, when paired with a Psychologistic ontology of evidence, is unable to account for ordinary cases of inferential justification. As many epistemologists have maintained, however, when it is paired with a Propositionalist ontology of evidence, Evidentialism is unable to explain in a satisfactory way ordinary cases of perceptual justification. So, the Evidentialist is faced with a dilemma. Second aim of this paper is to give an argument in favour of Propositionalism about (...)
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  29.  17
    Zalabardo on Pritchard and the Evidential Problem.Tommaso Piazza - 2017 - International Journal for the Study of Skepticism 7 (3):199-205.
    _ Source: _Volume 7, Issue 3, pp 199 - 205 It is an alleged virtue of Pritchard’s Epistemological Disjunctivism that it makes available a promising line of resistance against the sceptic about perceptual knowledge. According to José Zalabardo’s reconstruction of it, however, this line of resistance—in particular, the solution it supplies to what Pritchard calls the Evidential Problem—is ultimately flawed. Whether or not the solution criticized by Zalabardo is the one supplied by ED —which Pritchard has denied—my aim in this (...)
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