- #1
phillyolly said:I don't follow logic...
Mathematical induction is a proof technique used to prove statements that involve a variable n, such as "for all positive integers n, some property is true". It involves two steps: the base case, where the statement is proven to be true for the first value of n, and the inductive step, where it is shown that if the statement is true for some value of n, it is also true for the next value.
Mathematical induction is used to prove statements that are true for all positive integers. It is a powerful tool in problem solving because it allows us to prove a statement for an infinite number of cases by only considering a few specific cases.
Weak induction, also known as simple induction, only uses the previous case to prove the next case. Strong induction, on the other hand, uses all previous cases to prove the next case. This allows for a wider range of statements to be proven, but it also requires a stronger base case.
No, mathematical induction can only be used to prove statements that are true for all positive integers. It cannot be used to prove statements that are only true for specific values or a finite number of cases.
Some common mistakes when using mathematical induction include not properly defining the base case, assuming the statement is true without proving it, and using the wrong variable in the inductive step. It is important to carefully follow the two steps of mathematical induction and ensure that each step is logically sound.