Real analysis is a branch of mathematical analysis that deals with the study of real numbers, sequences and series of real numbers, and functions of real variables. It provides the foundational tools and concepts for rigorous study in calculus and is concerned with understanding the properties and behavior of real-valued functions. Key topics in real analysis include: 1. **Real Numbers**: Exploration of the properties of real numbers, including their completeness, order, and properties of irrational numbers.
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