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  1. Models of Possibilities Instead of Logic as the Basis of Human Reasoning.P. N. Johnson-Laird, Ruth M. J. Byrne & Sangeet S. Khemlani - 2024 - Minds and Machines 34 (3):1-22.
    The theory of mental models and its computer implementations have led to crucial experiments showing that no standard logic—the sentential calculus and all logics that include it—can underlie human reasoning. The theory replaces the logical concept of validity (the conclusion is true in all cases in which the premises are true) with necessity (conclusions describe no more than possibilities to which the premises refer). Many inferences are both necessary and valid. But experiments show that individuals make necessary inferences that are (...)
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  • The Stoic Theory of Sign and the Semantic Modulation of Models.Miguel López-Astorga - 2022 - SATS 23 (2):191-201.
    The theory of mental models is a current cognitive approach trying to describe the way people make inferences. According to this theory, people reason from possibilities or models linked to sentences. Sometimes, such possibilities or models are transformed by the action of a semantic modulation. The point this paper is intended to make is that Stoic logic also has the machinery to explain semantic processes such as that of modulation. This is shown by means of the criterion Chrysippus of Soli (...)
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  • La posibilidad de las cláusulas en el condicional y la disyunción.Miguel López-Astorga - 2023 - Praxis Filosófica 57:e20113043.
    La teoría de los modelos mentales ofrece una explicación de cómo los seres humanos infieren conclusiones. Tal explicación no es coherente con la lógica clásica. Admite inferencias que son incorrectas en dicha lógica. Dos de esas inferencias son consideradas aquí. Una de ellas permite derivar que las cláusulas de un condicional son posibles si ese condicional es verdadero. La otra autoriza a deducir que las cláusulas de una disyunción son posibles si esa disyunción es verdadera. Recurriendo al modo que en (...)
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  • What happened to the “new paradigm”? Commentary on Knauff and Gazzo Castañeda (2023).P. N. Johnson-Laird & Sangeet Khemlani - 2023 - Thinking and Reasoning 29 (3):409-415.
    Knauff and Gazzo Castañeda (this issue) critique the "new paradigm" – a framework that replaces logic with probabilities – on the grounds that there existed no "old” paradigm for it to supplant. Their position is supported by the large numbers of theories that theorists developed to explain the Wason selection task, syllogisms, and other tasks. We propose some measures to inhibit such facile theorizing, which threatens the viability of cognitive science. We show that robust results exist contrary to the new (...)
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  • Laipsniškas dviejų mentalinių sistemų patvirtinimas.Miguel López Astorga - 2024 - Problemos 105:196-207.
    Kai kurios šiuolaikinio kognityvinio mokslo teorijos teigia, kad žmogaus prote veikia dvi sistemos: sistema, vykdanti greitą intuityvų mąstymą, bei sistema, vadovaujanti lėtam logiškam mąstymui. Būtų galima manyti, kad šių sistemų egzistavimą patikrinti sudėtinga. Šiame straipsnyje pateikiamas būdas palaipsniui patvirtinti šių dviejų sistemų egzistavimą. Pasitelkiamas dviejų sistemų, pasireiškiančių per mentalinių modelių teoriją, principas. Be to, laikantis Carnapo redukcijos idėjos, straipsnyje aprašomos dvi procedūros, kuriomis hipotezė patvirtinama palaipsniui. Viena iš jų tyrinėja, kaip žmogaus protas nagrinėja žmogaus proto veiklą darant išvedimus pagal modus (...)
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