- What is a rational number?
- How do you prove the transitivity of divisibility?
- How do you prove the divisibility of integers by a prime numbeR?
- What is a proof by counterexample?
- What is a proof by cases?
- What is the parity property?
- What are the methods of proof by contradiction and contrapositive?
- How can you prove that the sum of any rational and irrational numbers is irrational?
- How can you prove that for every integer if its square is even then it is even?