If one vows to fast one or two days without specifying which days, and forgets to eat, does the fast become void and require compensation?
Synopsis
When one vows to fast a number of days without fixing specific days and accidentally eats a kezayit, the fast is lost and another day must be substituted.
More in Ta'anit Bechorot
If one vows to fast on a specific day and forgets to fast, eating a kezayit, must he complete that day's fast?
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Discussion
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