Two prostrations are required in each rakah. The singular category sujud appears once in the list because the enumeration identifies types of integrals. Performing only one prostration does not complete the rakah.
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Two Prostrations in Each Rakah
Description of Prayer: The Six Obligations
Two prostrations are required in each rakah. The singular category sujud appears once in the list because the enumeration identifies types of integrals. Performing only one prostration does not complete the rakah.