Types of Impurity and Methods of Purification

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• From where must impurity be removed for prayer?
• What distinguishes removal of filth from ritual purification?
• Which liquid may remove filth according to Abu Hanifah and Abu Yusuf?
• What is the disagreement of Muhammad and al-Shafi‘i in this issue?
• When may filth on a khuff be removed by rubbing?
• What does dalk mean for dried filth on leather footwear?
• How is wet semen removed from a garment in the Hanafi ruling?
• What suffices to remove dried semen from a garment?
• How does al-Shafi‘i classify semen?
• What may suffice for filth on a mirror or polished sword?
• What are the two distinct rulings for sun-dried earth?
• What measure is specified for severe impurity?
• What is the prayer ruling if severe impurity exceeds a dirham?
• Which statement about the excused dirham amount is correct?
• Which example is given of light impurity?
• What is the specified tolerance for light impurity on a garment?
• What is the basic condition for purification of visible filth?
• What if a difficult residual trace remains after washing?
• When is invisible impurity considered cleansed?
• What is meant by ghalabat al-zann?
• Which pairing is correct?
• Why do removal of filth and wudu with a cleansing liquid differ?
• What is the correct distinction between a prayer location and tayammum?
• What does zawal al-ayn mean for visible impurity?