What is logic? What is it for?

What is logic? What is it for? Logic is the study of reasoning and argumentation. It involves the systematic analysis and evaluation of arguments and their relationships to one another. Logic is a formalized system of thought that provides a framework for reasoning, critical thinking, and problem-solving. Logic is used in many fields, including philosophy, mathematics, computer science, linguistics, and law. It helps to establish the validity of arguments and to distinguish between good and bad arguments. Logic also helps to identify and correct errors in reasoning, such as fallacies, which are common mistakes in reasoning that can lead to incorrect or illogical conclusions.