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<p>understand these structures as a collective, the following definition is developed.</p>

<p><big> Definition </big></p>
<p>A group is a <a href="page.php?w=set_%28mathematics%29">set</a>  together with a <a href="page.php?w=binary_operation">binary operation</a> on , here denoted "", that combines any two <a href="page.php?w=element_%28mathematics%29">elements</a>  and  of  to form an element of , denoted , such that the following three requirements, known as <b>group axioms</b>, are satisfied:</p>

<p>; Associativity : For all , ,  in , one has .; Identity</p><p>
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