What minimum length must remain on a torn tzitzit string for the tzitzit to remain kosher?

When two ends of tzitzit tear, is it definitively invalid or does it depend on whether the ends come from the same string?

2 opinions

When a string tears and both ends have insufficient length individually, but combined they have k'dei anivah, is the tzitzit valid?

2 opinions

If a string tears at its very root (the point where it attaches to the corner of the garment), is the tzitzit invalid even if remnants exist?

2 opinions

If kosher tzitzit are removed from one garment, may they be re-attached to a different garment?

1 opinions

If a tzitzit string is knotted back together after tearing, does the knotted string restore validity?

1 opinions

How is k'dei anivah (the minimum remaining length) measured when the strings are unusually thick?

3 opinions

From where must the minimum remaining length (k'dei anivah) be measured — from the anaf (branch/hanging section) or may it include the gedil (wound/twisted section)?

5 opinions across 3 eras

When relying on Rabbeinu Tam's standard (two complete strings required), is it preferable to seek replacement tzitzit or may one simply continue wearing the current pair?

2 opinions