Reasoning about possibilities: Modal logics, possible worlds, and mental models

PN Johnson-Laird, M Ragni - Psychonomic Bulletin & Review, 2024 - Springer
Everyone reasons about possibilities. This article explains how they could do so using
mental models. The theory makes four major claims: 1. Correct inferences are necessary …

Human verifications: Computable with truth values outside logic

PN Johnson-Laird, RMJ Byrne… - Proceedings of the …, 2023 - National Acad Sciences
Cognitive scientists treat verification as a computation in which descriptions that match the
relevant situation are true, but otherwise false. The claim is controversial: The logician Gödel …

An intensional probability theory: Investigating the link between classical and quantum probabilities

M Milovanović, N Saulig - Mathematics, 2022 - mdpi.com
The link between classical and quantum theories is discussed in terms of extensional and
intensional viewpoints. The paper aims to bring evidence that classical and quantum …

Possibilities and human reasoning

PN Johnson-Laird - Possibility Studies & Society, 2023 - journals.sagepub.com
This article describes how human reasoning differs from standard logics. It tells the story of
three sorts of inference, for example: the possibility of rain implies the possibility of no rain; a …

Models of Possibilities Instead of Logic as the Basis of Human Reasoning

PN Johnson-Laird, RMJ Byrne, SS Khemlani - Minds and Machines, 2024 - Springer
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 …

Bridging the gap between subjective probability and probability judgments: the Quantum Sequential Sampler

J Huang, J Busemeyer, Z Ebelt… - Psychological …, 2024 - openaccess.city.ac.uk
One of the most important challenges in decision theory has been how to reconcile the
normative expectations from Bayesian theory with the apparent fallacies that are common in …

Disjunction and access to knowledge: Educational implications

M López-Astorga, LD Torres-Bravo… - Thinking Skills and …, 2024 - Elsevier
In classical logic, it is possible to derive 'either p or q'from 'p'(where p and q are sentences
with any content). This is a cognitive problem, since people often tend not to make …

A quantitative symbolic approach to individual human reasoning

E Dietz, JK Fichte, F Hamiti - arXiv preprint arXiv:2205.05030, 2022 - arxiv.org
Cognitive theories for reasoning are about understanding how humans come to conclusions
from a set of premises. Starting from hypothetical thoughts, we are interested which are the …

The online processing of hypothetical events

L Zhan, P Zhou - Experimental Psychology, 2023 - econtent.hogrefe.com
A conditional statement If P then Q is formed by combining the two propositions P and Q
together with the conditional connective If··· then···. When embedded under the conditional …

How are beliefs represented in the mind?

M Knauff, L Estefania Gazzo Castañeda - Thinking & Reasoning, 2023 - Taylor & Francis
The commentators of our target article present several detailed arguments to refute the
opposing theory. The real issue, however, seems to be the fundamental question of how the …