fraction fieldFractionField2001-10-19 13:18:102002-03-04 01:21:15Definition\usepackage{amssymb}
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\usepackage{xypic}Given an integral domain $R$, the {\em fraction field} of $R$ is the localization $S^{-1} R$ of $R$ with respect to the multiplicative set $S = R \setminus \{0\}$. It is always a field.