Abstract logic is a branch of philosophy and mathematics that deals with the principles of valid reasoning and inference. It focuses on the structure of arguments rather than the content, allowing for the analysis of logical relationships in a generalized way. This type of logic is often represented through symbols and formal systems, making it easier to manipulate and evaluate complex ideas. In abstract logic, concepts such as propositions, quantifiers, and logical connectives are used to create formal statements. These elements help in understanding how different statements relate to one another, enabling clearer reasoning and problem-solving across various fields, including computer science and philosophy.