Prove that a normed space is not Banach

micromass

You're not giving us much information to work with. If you want to show something not Banach, then try to find a Cauchy sequence which does not converge.
There are other ways to prove this of course. A lot depends on the space in question.

micromass Mentor Blog Entries: 8	You're not giving us much information to work with. If you want to show something not Banach, then try to find a Cauchy sequence which does not converge. There are other ways to prove this of course. A lot depends on the space in question.