The five inferences in (Indian) logic: (1) 相比量 from appearance, e. g. fire from smoke; (2) 體比量 from the corporeal, e. g. two or more things from one; (3) 業比量 from action, e. g. the animal from its footmark; (4) 法比量 from recognized law, old age from birth; (5) 因果比量 from cause and effect, that a traveler has a destination.