Explores boundaries in sets, defining them as points not well separated from the set or its complement.
Explains the properties of subsets of real numbers, including Supremum, Infimum, intervals, open sets, and closed sets.
Explores the extension of the chain rule to higher dimensions and compositions of functions.
Covers the concepts of interior and closure of a set in a topological space, as well as isolated points and accumulation points.
Covers the properties of real numbers, focusing on the total order and completeness, including the Archimedean property and the concepts of supremum and infimum.
Explains the concept of Q as a subset of R and their properties.
