Covers the basics of group theory, including definitions, examples, and isometries.
Covers the addition of fractions and properties of rational numbers, emphasizing associativity and summing fractions with the same denominator.
Covers integers, rings, subrings, invertibility, divisors of zero, and equivalence relations in formal fractions.
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.
Explores the concept of fractions of rings and their uniqueness in ideals and quotients.
Covers basic properties of natural numbers, including order relations and inverses.
