وَيَطْهُرُ الْمَنِيُّ الْجَافُ بِفَرْكِهِ عَنِ الثَّوْبِ وَالْبَدَنِ، وَيَطْهُرُ الرَّطْبُ بِغَسْلِهِ
The matn gives a special rule: dry semen may be removed by rubbing/scraping from clothing and, under the stated narration, the body; wet semen is washed. This special rule is not generalized to all impurities.
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How Physical Impurity Is Purified
وَيَطْهُرُ الْمَنِيُّ الْجَافُ بِفَرْكِهِ عَنِ الثَّوْبِ وَالْبَدَنِ، وَيَطْهُرُ الرَّطْبُ بِغَسْلِهِ
The matn gives a special rule: dry semen may be removed by rubbing/scraping from clothing and, under the stated narration, the body; wet semen is washed. This special rule is not generalized to all impurities.