Religious philosophy

• 1. Shared Roots Across Faiths

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  The Abrahamic religions include Judaism, Christianity, Islam, the Bahá'í Faith, Yazidism, Druze, Samaritanism, and Rastafari. These traditions share a number of philosophical themes despite expressing them differently in their respective religious texts. Many philosophical commonalities among religions have emerged from shared historical foundations. Beliefs about concepts such as the afterlife, souls, and miracles are often considered to be universal across these groups. Arguments concerning the existence of an omniscient god or multiple gods appear in several religious traditions including Christianity, Islam, and Hinduism. The philosophical concept of free will is present in both monotheistic and polytheistic religions.

• 2. Natural Minds And Doctrinal Systems

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  Many religious concepts are described as cross-culturally ubiquitous because they are considered cognitively natural. These concepts tend to arise with little explicit direction, instruction, or formal teaching during early stages of cognitive development. Examples of such religious concepts include beliefs concerning the afterlife, souls, supernatural agents, and miraculous events. Other religious concepts require deliberate instruction to ensure their transmission within a community. These beliefs are categorized as reflective and are often encoded in linguistic or doctrinal forms that facilitate communication and preservation. Reflective religious philosophies play a significant role in the maintenance and continuity of cultural and religious traditions. Concepts such as karma, divine immanent justice or providence, and theological doctrines like the Trinity in Christianity and Brahman in Hinduism fall into this category.

• 3. Reasoning For A Supreme Being

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  Saint Anselm of Canterbury lived from 1033 to 1109 and formulated an ontological argument in his work Proslogion. His reasoning was based on the idea of God as that than which nothing greater can be conceived. Thomas Aquinas died in 1274 and incorporated philosophical reasoning into Christian theology using philosophy as a means of addressing questions about the existence of God. In his Summa Theologica, Aquinas presents five arguments for the existence of God commonly referred to as the quinque viae or Five Ways. René Descartes lived from 1596 to 1650 and proposed ontological arguments similar to those of Anselm in his Fifth Meditation. He argued that the idea of a supremely perfect being entails its existence because necessary existence is a defining attribute of such a being. Gottfried Leibniz lived from 1646 to 1716 and further developed Descartes' ontological argument by addressing whether the concept of a supremely perfect being is coherent. Kurt Gödel lived from 1906 to 1978 and employed modal logic to formalize and expand upon Leibniz's version of Anselm's argument.

• 4. Coping Styles And Divine Control

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  An individual's conception of God has been shown to influence religious coping styles. Research has identified several religiously affiliated coping styles including self-directing style where individuals address problems independently without directly involving God. Deferring style involves individuals deferring responsibility for problem-solving to God. Collaborative style views individuals and God as jointly involved in the problem-solving process. Surrender style sees individuals working collaboratively with God while prioritizing divine guidance over personal control. Studies indicate that individuals who believe in God as an entity that controls destiny are more likely to oppose the legalization of euthanasia and physician-assisted suicide. Religious philosophies play a significant role in medical care and healthcare decision making, and consideration of these beliefs may contribute to improved quality of care.

• 5. Medical Ethics And Organ Transplants

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  Organ donation after death is influenced by an individual's religious philosophy. Formal rulings supporting organ donation have been issued by Islamic authorities including a 1996 ijtihad by the UK Muslim Law Council and a 1988 ruling by the Islamic Jurisprudence Assembly Council in Saudi Arabia. Similar decisions were made in Egypt, Iran, and Pakistan. In 1990, the Catholic Church and several Protestant denominations jointly endorsed organ donation as an expression of Christian love. Jewish legal traditions generally prohibit abortion, foeticide, and infanticide viewing them as violations of human life. However, rabbinical sources permit abortion when the mother's life or health is endangered prioritizing her well-being over that of the fetus. Hindu philosophical traditions generally prohibit abortion in accordance with Dharmashastra texts. Buddhist philosophical traditions generally regard abortion as morally problematic in accordance with the Five Precepts though some interpretations allow it under circumstances where compassionate intent is emphasized.

• 6. Dietary Laws And Sacred Eating

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  Vegetarian diets are commonly observed by adherents of Buddhism, Hinduism, and the Seventh-day Adventist Church. The ethical principle of ahimsa meaning non-injury to living beings is central to Buddhist and Hindu philosophy. This principle emphasizes the sanctity of life and has influenced vegetarian traditions encompassing both human and animal life. Fasting practices involve abstaining from certain foods or refraining from eating for specified periods and are observed in traditions including those of the Church of Jesus Christ of Latter-day Saints, Eastern Orthodoxy, Islam, and Roman Catholicism. In Islam meat must come from properly slaughtered animals considered permissible halal while the consumption of certain animals such as scavenger species is prohibited. Islamic dietary laws derived from the commandments of Allah as outlined in the Quran and the Sunnah of Muhammad emphasize purity. Jewish kosher dietary laws are derived from religious texts such as the Torah and the Mishnah.

• 7. Life Death And Population Balance

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  Islamic jurisprudence does not permit voluntary death including euthanasia or physician-assisted suicide because life is regarded as a sacred gift from Allah who alone determines its duration. Taoist philosophy emphasizes balance between human populations and natural resources influencing population management policies in China including the one-child policy. Abortion is generally discouraged in Taoist thought as it is believed to disrupt bodily harmony and negate the body's natural capacity to generate life. Attitudes toward euthanasia are influenced by religious philosophy with opposition frequently associated with religious beliefs. Religions such as Christian Science, the Church of Jesus Christ of Latter-day Saints, Hinduism, Islam, Jehovah's Witnesses, and the Seventh-day Adventist Church generally oppose or do not practice euthanasia. Empirical studies focusing on the philosophical concept of spirituality at or near the end of life in India have found that individuals following Indian philosophical traditions are influenced by these frameworks in their perceptions of spirituality.