Propositional reasoning by model.

  title={Propositional reasoning by model.},
  author={Philip N. Johnson-Laird and Ruth M. J. Byrne and Walter Schaeken},
  journal={Psychological review},
  volume={99 3},
This article describes a new theory of propositional reasoning, that is, deductions depending on if, or, and, and not. The theory proposes that reasoning is a semantic process based on mental models. It assumes that people are able to maintain models of only a limited number of alternative states of affairs, and they accordingly use models representing as much information as possible in an implicit way. They represent a disjunctive proposition, such as "There is a circle or there is a triangle… CONTINUE READING
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