The phrase wa-in lam yashtariṭ al-tatābuʿ means that the prescribed days must be consecutive even if the person did not explicitly say “consecutively.”
For example, a vow of three days cannot be reduced to three disconnected short visits. The days, intervening nights and continuity are considered together.
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Bab al-Iʿtikaf: Rules, Restrictions, Invalidation and Vows
The phrase wa-in lam yashtariṭ al-tatābuʿ means that the prescribed days must be consecutive even if the person did not explicitly say “consecutively.”
For example, a vow of three days cannot be reduced to three disconnected short visits. The days, intervening nights and continuity are considered together.