Muslims have always used verses from the Qur'an to support opinions on law, theology, or life in general, but almost no attention has been paid to how the Qur'an presents its own precepts as conclusions proceeding from reasoned arguments. Whether it is a question of God's powers of creation, the rationale for his acts, or how people are to think clearly about their lives and fates, Muslims have so internalized Qur'anic patterns of reasoning that many...