 Theistic responses to the problem of evil distinguish between a defense and a theodicy. A defense seeks to establish that rational belief that God exists is still possible (when the defense is employed against the logical version of the problem of evil) and that the existence of evil does not make it improbable that God exists (when used against the probabilistic version). Some have adopted the defense strategy while arguing that we are in a position to have rational belief in the existence of evil and in a completely good God who hates this evil, even though we may be unable to see how these two beliefs are compatible. A theodicy is more ambitious and is typically part of a broader project, arguing that it is reasonable to believe that God exists on the basis of the good as well as the evident evil of the cosmos. In a theodicy, the project is not to account for each and every evil, but to provide an overarching framework within which to understand at least roughly how the evil that occurs is part of some overall good—for instance, the overcoming of evil is itself a great good. In practice, a defense and a theodicy often appeal to similar factors, the first and foremost being what many call the Greater Good Defense.