Lemma 31.11.3. Let X be an integral scheme. Let \mathcal{F} be a quasi-coherent \mathcal{O}_ X-module. The following are equivalent
\mathcal{F} is torsion free,
for U \subset X affine open \mathcal{F}(U) is a torsion free \mathcal{O}(U)-module.
Lemma 31.11.3. Let X be an integral scheme. Let \mathcal{F} be a quasi-coherent \mathcal{O}_ X-module. The following are equivalent
\mathcal{F} is torsion free,
for U \subset X affine open \mathcal{F}(U) is a torsion free \mathcal{O}(U)-module.
Proof. Omitted. \square
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