The Stacks project

Lemma 22.11.2. Let $(A, \text{d})$ be a differential graded $R$-algebra. The functor $M \mapsto M^{opp}$ from the category of left differential graded $A$-modules to the category of right differential graded $A^{opp}$-modules is an equivalence.

Proof. Omitted. $\square$

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