One Body/ Many Souls Theory

Gretchen introduces the ‘One Body/Many Souls’ hypothesis in order to disprove the claim that a person is one body and one soul. The situation seems plausible, and in fact seems, at first to support the claim.
Sam only observes the surface characteristics of the water and is oblivious to the changing water. Sam’s failure to see the water as different illustrates her theory that she could be a series of souls passing through one body. Her analogy, however, is faulty in that she attempts to compare the material qualities of the water to the immaterial qualities of the soul.
Gretchen’s reasoning behind her theory is that Sam did not see the water in the river as different because it still possessed some of the same qualities on the surface. Therefore, just as he had no way of knowing that the water was any different, he also had no way of knowing whether she was the same soul as the day before because her physical appearance was still the same. However, Gretchen does ...