Suppression of valid inferences: syntactic views, mental models, and relative salience

@article{Chan1994SuppressionOV,
  title={Suppression of valid inferences: syntactic views, mental models, and relative salience},
  author={David Chan and Fookkee Chua},
  journal={Cognition},
  year={1994},
  volume={53},
  pages={217-238}
}
Byrne (1989) has demonstrated that although subjects can make deductively valid inferences of the modus ponens and modus tollens forms, these valid inferences can be suppressed by presenting an appropriate additional premise "If R then Q" with the original conditional "If P then Q". This suppression effect challenges the assumption of all syntactic theories of conditional reasoning that formal rules of inference such as modus ponens is part of mental logic. This paper argues that both the… CONTINUE READING

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