Cosmological Argumennt Tries to Prove That There Must Be a God

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1) Explain how the Cosmological Argument tries to prove that there must be a God. The Cosmological Argument is a posteriori argument (knowledge gained after experience) which attempts to prove that there is a rational basis for the belief in God. This is a strength of the cosmological argument as our experience is proof of the existence of the universe. Aristotle, an ancient Greek philosopher, argued that there must be a first mover who started a chain of events that lead to the movement we observe now. He believed that this mover exists necessarily so does not depend on anything or anyone to exist and can not change nor die. According to Aristotle, this necessary being provides 'teleos' (purpose) to the universe and influences movement by temptations in the universe. St. Thomas Aquinas was a medieval philosopher who developed the most famous version of the cosmological argument where he put forward five proofs (arguments) for the existence of a prime mover. Aquinas believed that this Prime Mover is God who contains all actuality and no potentiality because he is already perfect. Aquinas' first proof is based of motion and change, including growth as a person rather than just movement from one place to another. Everything that moves or changes in the universe must have been moved by something else and so on, which leads to a chain of movement like domino's, for example. But, this chain of motion in the world cannot go back to infinity, or else there would be no first mover, and, consequently, no other mover. He believed there is an external force that brought about the initial change, who is the Prime Mover; God. The second of Aquinas' proofs is based of cause and effect. Nothing can be the cause of itself and it would have had to exist before it caused itself, which is logically impossible. There can not be effect without cause, which proves that the
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