What is proof?
- Proof is a series of logical steps which show whether a result is true or not for a set of specified numbers
- e.g. All intigers, all even numbers etc
Notation in proof
- LHS and RHS are standard abbreviations for left-hand side and right-hand side
- Integers are used frequently in the language of proof
- The set of integers is denoted by ℤ
Techniques for proof