Covers the basics of group theory, including definitions, examples, and isometries.
Covers the basic concepts of rational numbers and algebraic operations, including addition, subtraction, multiplication, and division.
Covers the properties of division in integers and the relationship between divisibility and unique quotients.
Covers operations and equivalence relations in number theory, including addition, subtraction, multiplication, division, and properties of neutral and inverse elements.
Covers basic properties of natural numbers, including order relations and inverses.
