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<p><b>Order theory</b> is a branch of <a href="page.php?w=mathematics">mathematics</a> that investigates the intuitive notion of order using <a href="page.php?w=binary_relation">binary relation</a>s. It provides a formal framework for describing statements such as "this is <a href="page.php?w=less_than">less than</a> that" or "this precedes that".</p>

<p><big> Background and motivation </big></p>
<p>Orders are everywhere in mathematics and related fields like <a href="page.php?w=computer_science">computer science</a>. The first order often discussed in</p><p>
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