What is the ruling concerning the chair sat upon by a sister who disregards ritual purity, and the chairs sat upon by employees, and is it permissible to rely on the principle: "Certainty is not removed by doubt, and the default status of things is purity," and to sit anywhere in the home or at work and pray in the same clothes despite doubts about their purity?
The default status for chairs is purity, and one does not rule that impurity has transferred based on mere doubt. If you are certain of the impurity and it is not doubt, then you can refer to the fatwas concerning the transfer of impurity, obsessive-compulsive disorder, and the ruling on a woman wearing trousers.
Summarized from the full answer at Ftawy · reviewed Sep 2, 2026
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