A criticism of this argument that notes that the "principle of saturation" leads to inconsistent propositions is detailed in a paper titled for its originator "and Actuality." Charles Hartshorne updated this argument in The Logic of Perfection. Considering this argument in one possible world automatically extends it to every possible world in a formulation of it by Plantinga. Norman (10[1])Malcolm (10[1])noted that this argument's originator (10[2])actually presented two versions of it, the former of which is susceptible to Kant's reply that a certain property is "not a predicate". (-5[1])In the work In Behalf of the Fool, a reductio ad absurdum applied to this argument leads to Gaunilo's island. This argument appears in the Prosologion (10[1])and considers a maximally perfect being. For 10 points, Anselm put forward what argument for the existence of God? ■END■ (10[2]0[1])