Foundations of Science

, Volume 4, Issue 2, pp 115–132

The Liar-paradox in a Quantum Mechanical Perspective


  • Diederik Aerts
    • CLEAFree University of Brussels
  • Jan Broekaert
    • CLEAFree University of Brussels
  • Sonja Smets
    • CLEAFree University of Brussels

DOI: 10.1023/A:1009610326206

Cite this article as:
Aerts, D., Broekaert, J. & Smets, S. Foundations of Science (1999) 4: 115. doi:10.1023/A:1009610326206


In this paper we concentrate on the nature of the liar paradox asa cognitive entity; a consistently testable configuration of properties. We elaborate further on a quantum mechanical model (Aerts, Broekaert and Smets, 1999) that has been proposed to analyze the dynamics involved, and we focus on the interpretation and concomitant philosophical picture. Some conclusions we draw from our model favor an effective realistic interpretation of cognitive reality.

liar paradoxquantum mechanicscognitionlogic
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© Kluwer Academic Publishers 1999