The concept spans conceptions from absolute monism to henotheism, monotheism and polytheism. It has been described as henotheism, polytheism, panentheism, and monotheism. Further, the term henotheism does not exclude monism, nondualism or dualism. The Iranian ancient prophet, Zoroaster, reformed Iranian religious beliefs to a form of Henotheism. During this intermediate period of henotheism many families worshiped different gods. Kurt Widmer, professor at the University of Lethbridge, described LDS beliefs as a "cosmic henotheism". The latter term is an extension of "henotheism", . Some historians have argued that ancient Israel originally practiced a form of monolatry or henotheism. But Vaikundar is the only powerful and supreme, which channels Ayyavazhi theology towards Henotheism. Henotheism, Hornung says, describes Egyptian religion better than other labels. Henotheism is defined in the dictionary as adherence to one god out of several.