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

ABSTRACT: Languages differ qualitatively in their numeral systems. At one extreme, some languages have a small set of number terms, which denote approximate or inexact numerosities; at the other extreme, many languages have forms for exact numerosities over a very large range, through a recursively defined counting system. Why do numeral systems vary as they do? Here, we use computational analyses to explore the numeral systems of 30 languages that span this spectrum. We find that these numeral systems all reflect a functional need for efficient communication, mirroring existing arguments in other semantic domains such as color, kinship, and space. Our findings suggest that cross-language variation in numeral systems may be understood in terms of a shared functional need to communicate precisely while using minimal cognitive resources.

SUBMITTER: Xu Y

PROVIDER: S-EPMC7685423 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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

Xu Yang Y Liu Emmy E Regier Terry T

Open mind : discoveries in cognitive science 20200801

Languages differ qualitatively in their numeral systems. At one extreme, some languages have a small set of number terms, which denote approximate or inexact numerosities; at the other extreme, many languages have forms for exact numerosities over a very large range, through a recursively defined counting system. Why do numeral systems vary as they do? Here, we use computational analyses to explore the numeral systems of 30 languages that span this spectrum. We find that these numeral systems al ...[more]

PMID: 33251470

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