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Numeral Systems Across Languages Support Efficient Communication: From Approximate Numerosity to Recursion.

Yang Xu1, Emmy Liu2, Terry Regier3

  • 1Department of Computer Science, Cognitive Science Program, University of Toronto.

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Summary
This summary is machine-generated.

Numeral systems vary across languages, from simple terms for approximate quantities to complex systems for exact numbers. This study reveals that these variations stem from a universal need for efficient communication, balancing precision with cognitive ease.

Keywords:
efficient communicationfunctionalismnumberrecursionsemantic typology

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Area of Science:

  • Linguistics
  • Cognitive Science
  • Anthropology

Background:

  • Numeral systems exhibit significant cross-linguistic variation, ranging from limited terms for approximate quantities to extensive systems for exact numerosities.
  • Understanding the drivers of this variation is crucial for comprehending language evolution and cognitive processes.

Purpose of the Study:

  • To computationally analyze numeral systems across 30 diverse languages.
  • To investigate the functional pressures shaping the structure and complexity of numeral systems.

Main Methods:

  • Computational analysis of numeral systems from 30 languages.
  • Comparative linguistic analysis across a spectrum of numeral system types.

Main Results:

  • Numeral systems across languages reflect a functional need for efficient communication.
  • The complexity of numeral systems correlates with the need for precise quantity representation.
  • Cross-language variation is explained by a balance between communicative precision and cognitive load.

Conclusions:

  • Language variation in numeral systems is driven by the functional requirement of efficient communication.
  • Shared cognitive and communicative pressures shape the evolution of number terms and counting systems.
  • Numeral systems optimize for clarity and ease of use, balancing precision with cognitive resources.