All games use mechanics; however, theories and styles differ as to their ultimate importance to the game.

Formalist theories differ according to how the notion of 'form' is understood.

Other researchers' theories on additional functions of sleep differ significantly.

Teleological theories differ on the nature of the end that actions ought to promote.

As can be seen above, the four theories do not differ widely in their dating of the relocation.

The theory put forth by the Sautrāntika school differs from this.

However, the theories differ in a number of ways:

However, their theory differs from other literature in this topic.

Their theories differ in how they relate consciousness to electromagnetism.

Different archaeological theories differ on what the goals of the discipline are and how they can be achieved.