Definition 16.1.9 (Absolute Value).label Let $(E, \le)$ be a vector lattice and $x \in E$, then $|x| = x \vee -x$ is the absolute value of $x$.
Definition 16.1.9 (Absolute Value).label Let $(E, \le)$ be a vector lattice and $x \in E$, then $|x| = x \vee -x$ is the absolute value of $x$.
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