logical-cause doctrine.The principle that, if the plaintiff proves that an injury occurred and proves a logical cause of it, a party desiring to defeat the claim cannot succeed merely by showing that there is another imaginable cause, but must also show that the alternative cause is more probable than the cause shown by the plaintiff. [Cases: Workers’ Compensation  1356.C.J.S. Workmen’s Compensation §§ 960, 974.]
[Blacks Law 8th]