Meditation three of Descartes

In Meditation Three of Descartes' Meditations on First philosophy he makes the argument that an omnipotent and infinite god exists. In this paper I'll reconstruct Descartes argument and evaluate its validity based on the soundness of its premises. Descartes' proof for the existence of god is: 1.) I think, therefore I am. 2.) I can not be mistaken about the ideas that I have. 3.) There must be at least as much formal reality (i.e., object of …

…the question is where did that person get it? This question can then be repeated until you reach the original source of the idea which, must be god. The idea god has an infinitely high level of objective reality. Thus its cause cannot be myself, because I am finite; therefore the only possible cause is god himself. In conclusion god must exist because he gave us the idea of the infinte and thus him self.