Natural Numbers
One of the curliest mathematical skills that a child has to learn os the skill of counring, i.e. 'one, two, three, ...'. In mathematics these numbers are called the counting or natural numbers.
Notation :
(i) ![]()
= the set of positive integers = the set of natural numbers (ii) ![]()
= {1, 2, 3, ...} (iii) 0 Ï ![]()
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