If someone goes from standing and recitation directly to prostration without bowing, the fard of ruku remains unperformed. A mere forgetfulness prostration is not a substitute for the missed integral.
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Case: Missing Bowing
Description of Prayer: The Six Obligations
If someone goes from standing and recitation directly to prostration without bowing, the fard of ruku remains unperformed. A mere forgetfulness prostration is not a substitute for the missed integral.