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Re: [xmca] Numbers - Natural or Real?



Can you give us your reference here David, in a pubished translation of Vygotsky?
andy

David Kellogg wrote:
... I don't think that quantity IS the basic concept in mathematics, though. Vygotsky is pretty clear about this: just a preschooler has to be able to abstract actual objects away from groups in order to form the idea of abstract quantity, the schoolchild has to be able to abstract quantities away from numbers in order to form the idea of RELATIONS between quantities, or OPERATORS.



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