Using the definition of a bounded set to be a set where there exists a positive number M>0 such that every element of the set s < M.
How could you then have a set without a maximum? Surely M is the maximum?
Using the definition of a bounded set to be a set where there exists a positive number M>0 such that every element of the set s < M.
How could you then have a set without a maximum? Surely M is the maximum?
The interval $[0,1)$ is the easiest example.