The document discusses the importance of logic and reasoning in the study and practice of law. It explores definitions of law from sources like St. Thomas Aquinas, noting that law requires reason and loses its nature when it deviates from reason. Reason is said to be the life of law and the soul of any particular law. The document emphasizes that knowing logic is important for lawyers as it aids in argumentation and examining cases. Overall, it conveys that logic provides principles and methods for distinguishing correct from incorrect reasoning, which is essential for the study and practice of law.