PhilosophersAlexander Pruss

Alexander Pruss

Philosopher and mathematician who defends the principle of sufficient reason and cosmological arguments.

Analytic philosophy1973 United StatesWarsaw (Poland)

Life

Alexander Pruss (born 1973) is a Canadian philosopher and mathematician, professor at Baylor University (Texas). He works on metaphysics, philosophy of religion and probability. He is known for defending the principle of sufficient reason (every contingent fact has an explanation) and cosmological arguments for the existence of God.

Main works

2006
The Principle of Sufficient Reason: A Reassessment

Defends the principle of sufficient reason against its classical objections and gives positive arguments for it.

2018
Necessary Existence

With Joshua Rasmussen, studies arguments leading from a necessary being to the existence of God.

Positions

click a row to see the evidence
Does God exist?God
AtheismTheism
Stated

He argues that everything must have an explanation and that this points to a necessary, ultimate cause, which he takes to be God.

Pruss, The Principle of Sufficient Reason - A Reassessment (2006)

Where does knowledge come from?Source of knowledge
Empiricism (from experience)Rationalism (from reason)
Interpretation

Reality is intelligible: every fact has an explanation, a principle that guides reasoning beyond experience alone.

Pruss, The Principle of Sufficient Reason - A Reassessment (2006)

Are we truly free?Freedom
Determinism (no free will)Free will
Stated

He defends libertarian free will and holds that a free choice can be explained by the agent's own free act.

Pruss, The Principle of Sufficient Reason - A Reassessment (2006)

Do good and evil exist objectively?Status of morality
Anti-realism (morality is human-made)Moral realism (objective moral truths)
Interpretation

He defends a natural-law ethics: some acts are wrong by the nature of the human body and person.

Pruss, One Body (2013)

Can reason judge everything, faith included?Faith and reason
Primacy of faith / the heartReason alone judges
Interpretation

A Catholic who argues for God by rigorous philosophical arguments: faith and reason work together.

Pruss and Rasmussen, Necessary Existence (2018)