"Version: 20190501"--Title page verso."A Morgan & Claypool publication as part of IOP Concise Physics"--Title page verso.Includes bibliographical references.1. Equality '=' -- 2. Fundamental properties of sets -- 2.1. What is a set? -- 2.2. Defining a set -- 2.3. Equality of sets -- 2.4. A set can be an element of another set -- 2.5. A set cannot contain itself -- 2.6. A set can be empty (null)…