Sanhedrin 31: New Evidence

A new mishnah! With the dispute over when and how a verdict in the property court can be overturned, with new evidence -- or testimony. Also, forming a court for the sake of establishing the litigation - shouldn't it be done where the litigants are? Don't the costs of travel mitigate against the value of traveling to the specific court? Some flexibility is necessary. Plus, the parties sometimes need to bring their litigation to certain courts - depending on the circumstances and the dispute.