The New Palgrave Dictionary of Economics

2018 Edition
| Editors: Macmillan Publishers Ltd


  • Michael Dummett
Reference work entry


The fundamental form of a contradiction is a pair of propositions, ‘A’ and ‘Not A’, one the negation of the other. If such an explicit contradiction is part of a body of propositions asserted by some individual or group at a given time, it follows that not all those propositions can be true: by thus impairing the reliability of the proponent, the occurrence of the contradiction throws doubt upon the truth of all the other propositions asserted.

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© Macmillan Publishers Ltd. 2018

Authors and Affiliations

  • Michael Dummett
    • 1
  1. 1.