Existence of God
Apologetics
Copleston–Russell debate
Christian existential apologetics
Efficacy of prayer
The Existence of God (book)
Existence of Jesus
Gödel's ontological proof
Is There a God?
Metaphysics
Pascal's Wager
Problem of evil
Problem of the creator of God
Rationalism
Relationship between religion and science
Spectrum of theistic probability
The Atheist Experience
Transcendental theology