Deductive Argument for the Existence of God Argumentative Essay

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Saint Anselm’s Ontological Argument for the existence of God is famous because it offers a way to prove God’s existence based entirely on reason. There is no need to look for physical evidence, instead, we can use logic. With the use of a reductio ad absurdum, or reductio proof—’something proved to be true by showing that the opposite is untrue,” a proof by contradiction—Anselm is able to create contradiction and therefore prove the existence of God. In order to do this, Anselm created a deductive argument for the existence of God based on his understand of God’s nature, or the definition of God—“something-than-which-nothing-greater-can-be-thought.”

Thus making God the best thing we could imagine. Anselm expressed that there are two ways something can exist; only in our minds or in our minds and reality. Things that exists in reality, accord to Anselm, are always better than things that exists just in our minds. Although, if God exists only in our minds then, by definition, he wouldn’t be that that which nothing greater can exists— contradiction! Therefore, God must exist in reality. Through this argument, Anselm believed he had deductively proved God’s existence in a way that was immune to error.

Gaunilo of Marmoutiers, a Benedictine monk living during the same time as Anselm had a response to the ontological argument. Gaunilo figured that we could run the same line of reasoning to prove the existence of literally anything imaginable. For example, an island. Not just any island, but the best possible island imaginable. This mythical lost island was an island “blessed with all manner of priceless riches and delights in abundance, much more than even the Happy Isles, and, having no owner or inhabitant, it is superior everywhere in abundance of riches to all those other lands that men inhabit.”


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Deductive Argument for the Existence of God Argumentative Essay. (2020, Dec 15). Retrieved from https://samploon.com/deductive-argument-for-the-existence-of-god/



What are the three main arguments for the existence of God?
The three main arguments for the existence of God are the cosmological argument, the teleological argument, and the moral argument. The cosmological argument suggests that everything in the universe has a cause, and that cause must be God; the teleological argument suggests that the complexity and order of the universe point to a designer, or God; and the moral argument suggests that the existence of objective moral values and duties requires a moral lawgiver, or God.
What is an example of a deductive argument?
A deductive argument is an argument in which the conclusion is supported by the premises. For example, the following argument is deductive: All men are mortal. Socrates is a man. Therefore, Socrates is mortal.
What is one argument for the existence of God?
There are many arguments for the existence of God, but one popular argument is the ontological argument. This argument states that since God is the greatest possible being, he must exist in order to be greatest.
What is one of the main arguments against the existence of God?
Now, one very common argument against the existence of God is the argument from evil . And it goes like this– if God exists, God is both all powerful and perfectly good. If God is all powerful, God is able to prevent any evil he wishes to prevent. If God is perfectly good, God wishes to prevent any evil he can prevent.
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