Complex sentence: They differ in their assumptions about the nature of existence as well as the appropriate path to the ultimate liberation, resulting in numerous schools that disagreed with each other, with their ancient doctrines span the diverse range of philosophies found in other ancient cultures.
Split into simpler sentences: They differ in their assumptions about the nature of existence as well as the specifics of the path to the ultimate liberation, resulting in numerous schools that disagreed with each other. Their ancient doctrines span the diverse range of philosophies found in other ancient cultures.