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<p>of the multiplicative <a href="page.php?w=monoid">monoid</a> of a ring.</p>

<p>Multiplicative sets are important especially in <a href="page.php?w=commutative_algebra">commutative algebra</a>, where they are used to build <a href="page.php?w=localization_of_a_ring">localizations</a> of commutative rings.</p>

<p>A subset S of a ring R is called <b>saturated</b> if it is closed under taking <a href="page.php?w=divisibility_%28ring_theory%29">divisor</a>s: i.e., whenever a product xy is in S, the elements x and y are in S too.</p>

<p><big>Examples</big></p><p>
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