existence of God
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What does the phrase 'existence of God' mean?
The phrase "existence of God" in philosophy and religion refers to the proposition that a supreme being exists as the creator, sustainer, or ruler of the universe and everything within it, including humans.
Belief in God is definitional of theism and a characteristic of many religious traditions. Arguments for the existence of God are classified as a priori, based on the idea of God, or a posteriori, based on experience. The philosophy of religion explores themes concerning the relationship between human language and thought and the nature of the divine.
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Why do people ask questions about whether God exists?
People ask questions about the existence of God because belief in God is definitional of theism and a characteristic of many religious traditions. For much of its history, Christianity has been concerned with whether God’s existence can be established rationally, through religious experience or revelation, or whether it must be accepted as a matter of faith.
Arguments for the existence of God are usually classified as either a priori (based on the idea of God itself) or a posteriori (based on experience). Perhaps proving the existence of God is impossible or unnecessary for belief in God to be reasonable, and religious experience may be another way of establishing God’s existence.
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What are some common arguments for the existence of God?
Arguments for the existence of God typically fall into a priori and a posteriori categories.
- Cosmological Argument: This approach uses causation to argue for a first cause or a necessary being as the origin of contingent beings. Thomas Aquinas's "Five Ways" exemplify this, positing a prime mover, first efficient cause, necessary ground, supreme perfection, and intelligent guide, which he identifies as God.
- Teleological Argument: Also known as the argument from design, it observes order and purpose in the natural world, inferring a divine creator akin to a watchmaker for a watch.
- Ontological Argument: Proposed by St. Anselm, this argument suggests that the very concept of God as the most perfect being implies existence, as a non-existent being would be less perfect.
- Moral Argument: This argument posits that the existence of morality implies a moral lawgiver, which is God.
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What are some arguments against the existence of God?
Arguments against the existence of God include the problem of evil, which questions how an omnipotent and perfectly good God can allow evil to exist. As David Hume stated, if God is willing but not able to prevent evil, then he is impotent; if able but not willing, then malevolent; and if both able and willing, then where does evil come from?
Another argument is that the concept of God, particularly in developed Judeo-Christianity and Islam, is incoherent. Some atheists reject belief in God because the concept is meaningless, unintelligible, contradictory, incomprehensible, or incoherent. They argue that claims about God do not make sense and cannot be rationally believed.
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How do different religions and philosophies answer the question of God's existence?
Different religions and philosophies offer diverse perspectives on the existence of God. Theism generally posits a supreme being who is the creator, sustainer, and ruler of the universe. Monotheistic religions such as Christianity, Islam, and Judaism believe in one God with a unique essence.
Philosophical arguments for God's existence include the cosmological, teleological (or argument from design), and ontological arguments. The ontological argument, notably proposed by St. Anselm, suggests that the very concept of God as the most perfect being implies existence.
Conversely, atheism rejects the belief in God, often because the concept is seen as meaningless or incoherent. Agnosticism, on the other hand, asserts that the existence of God is unknowable.
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How does belief or disbelief in God influence people's lives and cultures?
Belief or disbelief in God profoundly shapes people's lives and cultures. Theism can inspire social reform, charity, and community building, with many viewing religious teachings as a guide to morality and a source of motivation to act ethically. Conversely, atheism, in its critique of theistic beliefs, emphasizes reason, logic, and science, often leading to a rejection of religious doctrines and a focus on secular ethics.
Both theism and atheism offer frameworks for understanding the world and human existence. Agnosticism, meanwhile, reflects the conviction that there is no rational way of resolving the doubt about whether talk in a halting fashion of God just barely secures such reference or whether it, after all, fails and that nothing religiously acceptable is referred to by “God.”
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existence of God, in religion, the proposition that there is a supreme supernatural or preternatural being that is the creator or sustainer or ruler of the universe and all things in it, including human beings. In many religions God is also conceived as perfect and unfathomable by humans, as all-powerful and all-knowing (omnipotent and omniscient), and as the source and ultimate ground of morality.
Belief in the existence of God (or gods) is definitional of theism and characteristic of many (though not all) religious traditions. For much of its history, Christianity in particular has been concerned with the question of whether God’s existence can be established rationally (i.e., by reason alone or by reason informed by sense experience) or through religious experience or revelation or instead must be accepted as a matter of faith. The remainder of this article will consider some historically influential arguments that have been advanced to demonstrate the existence of God.
Arguments for the existence of God are usually classified as either a priori or a posteriori—that is, based on the idea of God itself or based on experience. An example of the latter is the cosmological argument, which appeals to the notion of causation to conclude either that there is a first cause or that there is a necessary being from whom all contingent beings derive their existence. Other versions of this approach include the appeal to contingency—to the fact that whatever exists might not have existed and therefore calls for explanation—and the appeal to the principle of sufficient reason, which claims that for anything that exists there must be a sufficient reason why it exists. The arguments by St. Thomas Aquinas known as the Five Ways—the argument from motion, from efficient causation, from contingency, from degrees of perfection, and from final causes or ends in nature—are generally regarded as cosmological. Something must be the first or prime mover, the first efficient cause, the necessary ground of contingent beings, the supreme perfection that imperfect beings approach, and the intelligent guide of natural things toward their ends. This, Aquinas said, is God. The most common criticism of the cosmological argument has been that the phenomenon that God’s existence supposedly accounts for does not in fact need to be explained.
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The argument from design also starts from human experience: in this case the perception of order and purpose in the natural world. The argument claims that the universe is strongly analogous, in its order and regularity, to an artifact such as a watch; because the existence of the watch justifies the presumption of a watchmaker, the existence of the universe justifies the presumption of a divine creator of the universe, or God. Despite the powerful criticisms of the Scottish philosopher David Hume (1711–76)—e.g., that the evidence is compatible with a large number of hypotheses, such as polytheism or a god of limited power, that are as plausible as or more plausible than monotheism—the argument from design continued to be very popular in the 19th century. According to a more recent version of the argument, known as intelligent design, biological organisms display a kind of complexity (“irreducible complexity”) that could not have come about through the gradual adaptation of their parts through natural selection; therefore, the argument concludes, such organisms must have been created in their present form by an intelligent designer. Other modern variants of the argument attempt to ground theistic belief in patterns of reasoning that are characteristic of the natural sciences, appealing to simplicity and economy of explanation of the order and regularity of the universe.
Perhaps the most sophisticated and challenging argument for the existence of God is the ontological argument, propounded by St. Anselm of Canterbury. According to Anselm, the concept of God as the most perfect being—a being greater than which none can be conceived—entails that God exists, because a being who was otherwise all perfect and who failed to exist would be less great than a being who was all perfect and who did exist. This argument has exercised an abiding fascination for philosophers; some contend that it attempts to “define” God into existence, while others continue to defend it and to develop new versions.
It may be possible (or impossible) to prove the existence of God, but it may be unnecessary to do so in order for belief in God to be reasonable. Perhaps the requirement of a proof is too stringent, and perhaps there are other ways of establishing God’s existence. Chief among these is the appeal to religious experience—a personal, direct acquaintance with God or an experience of God mediated through a religious tradition. Some forms of mysticism appeal to religious tradition to establish the significance and appropriateness of religious experiences. Interpretations of such experiences, however, typically cannot be independently verified.
The Abrahamic religions (Judaism, Christianity, and Islam) also appeal to revelation, or to claims that God has spoken through appointed messengers to disclose matters which would otherwise be inaccessible. In Christianity these matters have included the doctrine of creation, the Trinity, and the Incarnation of Jesus Christ. Various attempts have been made to establish the reasonableness of the appeal to revelation through the witness of the church and through signs and miracles, all of which are thought to herald the authentic voice of God. (This is the context in which Hume’s classic critique of the credibility of reported miracles—that no amount or kind of evidence can establish that a miracle has occurred—must be understood.) Yet appeals to revelation by the various religions conflict with each other, and the appeal to revelation itself is open to the charge of circularity.
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