Faith and Reason in Philosophy: Key Thinkers and Arguments

Kierkegaard on faith and reason

Faith goes beyond what reason can prove and involves a personal commitment or leap of faith.

Hegel on faith and reason

Faith and reason are not ultimately enemies; reality is rational and reason can develop toward a fuller understanding of truth.

Locke on faith and reason

Religious faith should not contradict reason; reason helps determine what can reasonably be believed.

Ayer on faith and reason

Logical positivism argues that meaningful statements must be logically true or empirically verifiable, making religious claims problematic.

Augustine on faith and reason

Faith and reason work together; faith can come first and lead toward understanding.

Anselm on faith and reason

Faith seeks understanding; reason can be used to explore and explain Christian beliefs.

Aquinas on faith and reason

Faith and reason are compatible because both ultimately come from God; reason can discover some truths about God while revelation gives truths reason cannot discover alone.

Teleological suspension of the ethical

Kierkegaard's idea that in an extraordinary situation, a person's relationship and obligation to God can take priority over universal ethical rules.

Averroes on double truth

The idea that philosophical truth and religious truth can appear to conflict while operating at different levels of understanding.

Natural theology

Knowledge about God that can be discovered through reason, observation, and the natural world.

Revealed theology

Knowledge about God that comes through divine revelation, especially Scripture.

Logical positivism

The view that meaningful statements must be logically or analytically true or empirically verifiable.

Verification Principle of Meaning (VPM)

The idea that a statement is meaningful only if it can be verified through experience or is true by definition or logic.

Problem with the VPM

The VPM itself cannot be empirically verified, making it self-refuting or self-defeating.

Theism

Belief in God or gods who exist and have some relationship with the world.

Polytheism

Belief in multiple gods.

Monotheism

Belief in one God.

Henotheism

Belief in one primary or highest god while acknowledging other gods.

Pantheism

The belief that God and the universe are ultimately identical; everything is God.

Panentheism

The belief that everything exists within God, but God is greater than the universe.

Agnosticism

The position that we cannot know whether God exists.

Atheism

The belief that there is no God or the rejection of belief in God.

Aquinas' First Way: Motion

The argument that things change because something causes the change, ultimately requiring an Unmoved Mover, which is God.

Aquinas' Second Way: Causation

The argument that things have causes and there must ultimately be an Uncaused Cause, which is God.

Aquinas' Third Way: Contingent Existence

The argument that contingent things require a necessary being that ultimately explains existence; this necessary being is God.

Aquinas' Fourth Way: Degrees of Perfection

The argument that different degrees of goodness, truth, and perfection require a most perfect standard or being, which is God.

Aquinas' Fifth Way: Teleological Argument

The argument that order, purpose, and apparent design in the universe point toward an intelligent designer, God.

First three of Aquinas' Five Ways

The arguments from motion, causation, and contingent existence; these are forms of the cosmological argument.

God as absolute being

God does not begin to exist and does not depend on anything else for existence; God simply exists.

Kalam cosmological argument

1. Everything that begins to exist has a cause. 2. The universe began to exist. 3. Therefore, the universe has a cause.

Anselm's ontological argument

God is the greatest being conceivable; if God existed only in the mind, something greater could be conceived, so God must exist in reality.

Moral evil

Evil caused by human choices, such as murder, war, theft, and abuse.

Natural evil

Evil or suffering caused by natural events or processes, such as earthquakes, diseases, and hurricanes.

Logical problem of evil

The argument that God's existence seems logically difficult to reconcile with God being all-powerful, all-good, and the existence of evil.

Evidential problem of evil

The argument that the amount and kinds of evil in the world provide evidence against the existence of an all-good and all-powerful God.

Theodicy

An attempt to explain how an all-good and all-powerful God can exist despite the existence of evil and suffering.

Cosmological argument

The argument that the existence of the universe or things within it requires a sufficient cause or explanation, ultimately pointing toward God.

Objections to the cosmological argument

Questions include why there must be a first cause, whether the universe itself could be the ultimate explanation, and whether an infinite regress is possible.

Teleological argument

The argument that order, complexity, or apparent purpose and design in the universe point toward an intelligent designer.

Objections to the teleological argument

Natural processes such as evolution can explain some apparent design; complexity does not necessarily prove a designer; and order does not automatically prove the Christian God.

Moral argument

The argument that objective moral values and obligations require an objective foundation, ultimately pointing toward God.

Classical theism

The view that God is all-powerful, all-knowing, perfect, eternal, unchanging, and distinct from creation.

Pantheism

God and the universe are ultimately identical; everything is God.

Process theism

God is related to and affected by the world, and the future is not completely determined.

Panentheism

Everything exists in God, but God is greater than everything that exists.

Omnipotence

God's unlimited power; commonly understood as the ability to do anything that is logically possible and consistent with God's nature.

Logical impossibility

A contradiction that cannot exist, such as a square circle.

Process theism and free will

Process theism emphasizes a God who does not determine every future event and allows genuine possibilities and creaturely freedom.

Open theism

The view that God knows everything that can be known, but some future free choices are not yet settled realities.

Predeterminism

The view that God determines or predetermines what happens, including human choices and events.

Boethianism

The view that God is outside of time and sees all of history in an eternal present, so God's knowledge does not necessarily cause human choices.

Molinism

The view that God knows what every possible free creature would choose in every possible circumstance and can use this knowledge to arrange circumstances while preserving free choice.

Faith and reason comparison

Augustine and Anselm emphasize faith seeking understanding; Aquinas emphasizes compatibility between faith and reason; Kierkegaard emphasizes that faith goes beyond reason; Ayer challenges religious claims through logical positivism.

Natural vs. revealed theology

Natural theology uses reason and nature to learn about God; revealed theology depends on God's revelation.

Logical vs. evidential problem of evil

The logical problem argues that God and evil seem logically incompatible; the evidential problem argues that the amount and kinds of evil provide evidence against God's existence.

Classical theism vs. pantheism vs. panentheism

Classical theism says God is distinct from creation; pantheism says God is identical with creation; panentheism says creation exists in God but God is greater than creation.

Cosmological vs. teleological argument

Cosmological arguments focus on the cause or explanation of existence; teleological arguments focus on order, purpose, and design.