This book serves as an introduction to the study of logic, focusing on both traditional and contemporary approaches to understanding formal logic, language, and argumentation. It explains the principles of logical analysis and their applications, using a variety of methods such as truth tables, natural deduction, and predicate calculus to help readers develop critical reasoning skills. The text is designed to be accessible, providing clear explanations, examples, and exercises to facilitate learning about the structure and function of language in logical reasoning.