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  1. Back to the actual future.Jacek Wawer & Alex Malpass - 2020 - Synthese 197 (5):2193-2213.
    The purpose of the paper is to rethink the role of actuality in the branching model of possibilities. We investigate the idea that the model should be enriched with an additional factor—the so-called Thin Red Line—which is supposed to represent the single possible course of events that gets actualized in time. We believe that this idea was often misconceived which prompted some unfortunate reactions. On the one hand, it suggested problematic semantic models of future tense and and on the other, (...)
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  2. A future for the thin red line.Alex Malpass & Jacek Wawer - 2012 - Synthese 188 (1):117-142.
    The thin red line ( TRL ) is a theory about the semantics of future-contingents. The central idea is that there is such a thing as the ‘actual future’, even in the presence of indeterminism. It is inspired by a famous solution to the problem of divine foreknowledge associated with William of Ockham, in which the freedom of agents is argued to be compatible with God’s omniscience. In the modern branching time setting, the theory of the TRL is widely regarded (...)
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  3. The Truth About the Future.Jacek Wawer - 2014 - Erkenntnis 79 (S3):365-401.
    There is a long-standing disagreement among Branching-Time theorists. Even though they all believe that the branching representation accurately grasps the idea that the future, contrary to the past, is open, they argue whether this representation is compatible with the claim that one among many possible futures is distinguished—the single future that will come to be. This disagreement is paralleled in an argument about the bivalence of future contingents. The single, privileged future is often called the Thin Red Line. I reconstruct (...)
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  4. Towards a new theory of historical counterfactuals.Jacek Wawer & Leszek Wroński - 2015 - In Pavel Arazim & Michal Dancak (eds.), Logica Yearbook 2014. College Publications. pp. 293-310.
    We investigate the semantics of historical counterfactuals in indeterministic contexts. We claim that "plain" and "necessitated" counterfactuals differ in meaning. To substantiate this claim, we propose a new semantic treatment of historical counterfactuals in the Branching Time framework. We supplement our semantics with supervaluationist postsemantics, thanks to which we can explain away the intuitions which seem to talk in favor of the identification of "would" with "would necessarily".
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  5.  13
    Tensed Metaphysics and Non-Local Grounding of Truth.Jacek Wawer - 2021 - Disputatio 13 (63):411-422.
    It is argued that the assignment of truth values to future contingents is threatened not by a tensed metaphysics but by a temporally “local” notion of truth, i.e., by the assumption that whatever is true at a given time needs to be grounded in what exists at that time. If this assumption is accepted, tensed and tenseless metaphysics are equally vulnerable; if it is rejected, both can accommodate true future contingents. This means that semantic decisions are largely independent of metaphysical (...)
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  6.  61
    Some Problems with the Russellian Open Future.Jacek Wawer - 2018 - Acta Analytica 33 (4):413-425.
    In a recently published paper, Patrick Todd (2016, 'Future contingents are all false! On behalf of a Russellian open future') advocates a novel treatment of future contingents. On his view, all statements concerning the contingent future are false. He motivates his semantic postulates by considerations in philosophy of time and modality, in particular by the claim that there is no actual future. I present a number of highly controversial consequences of Todd’s theory. Inadequacy of his semantics might indirectly serve as (...)
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  7.  43
    A problem with the fixed past fixed.Jacek Wawer - 2023 - Synthese 202 (5):1-15.
    A novel fatalistic argument that combines elements of modal, temporal, and epistemic logic to prove that the fixed past is not compatible with the open future has recently been presented by Lampert (Analysis 82(3):426–434, 2022). By the construction of a countermodel, it is shown that his line of reasoning is defective. However, it is also explained how Lampert’s argument could be corrected if it were supported with an extra premise regarding the temporal status of a priori knowledge. This additional assumption—which (...)
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  8. Causes and (in)Determinism.Tomasz Placek, Jacek Wawer & Leszek Wroński - 2014 - Erkenntnis 79 (S3):339-341.
    Introduction to a special issue of Erkenntnis.
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  9. Realne możliwości a modalna demokracja.Piotr Lipski, Tomasz Placek & Jacek Wawer - 2008 - Przeglad Filozoficzny - Nowa Seria 66.
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  10.  9
    How contingent and how a priori are contingent a priori truths?Jacek Wawer - 2016 - Studia Semiotyczne—English Supplement 28:25-56.
    In the presented article, I have analyzed the famous Saul Kripke statement that some a priori truths are contingent. I show, that despite Kripke’s thesis, in the historical understanding of contingency, the notions of contingency and apriority are in deep conflict with each other. In this understanding of contingency, the past, which can be known a priori, is not contingent, and the future, which is contingent, has difficulty acquiring a priori knowledge. Having stated Kripke’s thesis more precisely, I propose three (...)
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  11.  7
    Jak przygodne i jak a priori są przygodne prawdy a priori?Jacek Wawer - 2015 - Studia Semiotyczne 28 (1):145-172.
    W artykule poddaję analizie słynne twierdzenie Saula Kripkego, że niektóre prawdy a priori są przygodne. Pokazuję, że wbrew tezie Kripkego, przy historycznym rozumieniu przygodności, pojęcia przygodności i aprioryczności stoją ze sobą w głębokim konflikcie. Przy tym rozumieniu przygodności przeszłość, którą można poznać a priori, nie jest przygodna, a o przyszłości, która jest przygodna, trudno zdobyć wiedzę a priori. Doprecyzowawszy tezę Kripkego, proponuję trzy sposoby jej obrony w kontekście historycznego rozumienia możliwości: przez wprowadzenie pojęcia “faktycznej” przyszłości, przez zastąpienie pojęcia aprioryczności pojęciem (...)
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  12.  8
    Problem ustalania indeksu w semantyce temporalno-modalnej.Jacek Wawer - 2017 - Studia Semiotyczne 31 (1):109-130.
    W ramach semantyk Kripkego dla języków modalnych wartość logiczna zdania może zmieniać się wraz ze zmianą parametru indeksu semantycznego. Oznacza to, że stosując tego typu semantykę do analizy zdań języka naturalnego, musimy wskazać indeks istotny dla analizy semantycznej. Zwykło się przyjmować, że odpowiedni indeks jest ustalany przez kontekst wypowiedzi. Pomysł ten został odrzucony przez semantyków analizujących języki temporalno-modalne w kontekście indeterminizmu, co wygenerowało problem ustalania indeksu. W artykule przedstawię argument owych semantyków, a następnie zarysuję kilka odpowiedzi na problem ustalania indeksu. (...)
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  13.  15
    The Problem of Index-Initialisation in the Tempo-Modal Semantics.Jacek Wawer - 2019 - Studia Semiotyczne—English Supplement 30:21-41.
    In Kripke-semantics for modal logic, the truth value of a sentence depends on the choice of a semantic index. It means that application of such semantics to natural language analysis requires indication of an index relevant for semantic analysis. It is commonly accepted that the relevant index is initialised by the context of an utterance. The idea has been rejected by the semanticists investigating tempo-modal languages in the framework of indeterminism, which generated the problem of initialization of the semantic index. (...)
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