Introduction to FunctionsCovers the basics of functions, including domain, codomain, image, and range, as well as injections, surjections, and bijections.
Sets and FunctionsIntroduces sets, functions, and their properties, including injective and surjective functions, composition, and inverse functions.
Classification of ExtensionsExplores the classification of extensions in group theory, emphasizing split extensions and semi-direct products.
Sets and FunctionsIntroduces sets and functions, covering union, intersection, complement, functions terminology, and set operations analogies.