Three Indian women are sitting side by side. The first, sitting on a goatskin, has a son who weighs 170 pounds. The second, sitting on a deerskin, has a son who weighs 130 pounds. The third, seated on a hippopotamus hide, weighs 300 pounds. What famous theorem does this illustrate?
The squaw on the hippopotamus is equal to the sons of the squaws on the other two hides!