Principle 1
God exists; God is perfect in every way, eternal, and the cause of all that exists. All other beings depend upon God for their existence.
Objections
Some medieval authorities believed that God created the world from eternal matter (see Principle 4). Thus, according to these scholars, it would not be true to say that God is the cause of all that exists.
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Principle 4
God existed prior to all else. (In a later version of the Thirteen Principles, Maimonides included the notion that God created the world from nothing [creation ex nihilo].)
Objections
In his commentary to
Genesis 1:1, Abraham Ibn Ezra suggests that the word
bara (created) implies cutting or setting a boundary. Scholars such as Joseph Tov Elem and David Arama understood this to mean that Ibn Ezra believed that God sculpted the world from eternal matter. Gersonides also believed that the world was created from eternal matter. [ibid]