Often you may want to disprove a mathematical statement and we can do this by using a counter-example.
A counter-example is an example that shows that a statement is not always true. It is sufficient to give one example.
Often you may want to disprove a mathematical statement and we can do this by using a counter-example.
A counter-example is an example that shows that a statement is not always true. It is sufficient to give one example.