Papua New Guinea: Number Concepts Without Number Lines In An Indigenous Group Of Papua New Guinea
Rafael Núñez, Kensy Cooperrider, and Jürg Wassmann, 2012
Background: The generic concept of number line, which maps numbers to unidimensional space, is a fundamental concept in mathematics, but its cognitive origins are uncertain. Two defining criteria of the number line are that (i) there is a mapping of each individual number (or numerosity) under consideration onto a specific...
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