Bava Kamma 10 - An Animal Falls into the Pit (Torts)

What is the case where one causes a portion of the damage but is liable for the complete damage? It is this case of a pit:

When an animal falls into the pit and dies, if the pit is at least 10 hand-breadths deep, the owner of the pit is liable. If one person digs the 9 hand-breadths and the second one adds 1 hand-breadth, the second one is liable for all the damage since he added the lethal quality to the pit.

The pit owner pays the difference between the animal's worth when it was alive and the carcass' value.

Art: The Butcher's Shop by Reynier Coveyn

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