Normed space but not complete
63285
Prove that this space is not Banach
45111
Number of Subspaces that contains other Space
12349
a construction of a continuous function from a normal space to [0,1]
69206
A finite-dimensional vector space cannot be covered by finitely many proper subspaces?
151161
norms on vector space are equivalent iff they have same topology
35115
Questions on how to prove that a set of connectives is NOT functionally complete
81471
Finite dimensional spaces
69766
Is every normed vector space, an inner product space
140232
Troubleshooting extra spaces
125610
Space of bounded continuous functions is complete
138459
Norm and Algebraic Integers
14272
Hard spaces after one-letter words in ConTeXt
111236
Is there a reference for compact imbedding of Hölder space?
138247
Given a point $x$ and a closed subspace $Y$ of a normed space, must the distance from $x$ to $Y$ be achieved by some $y\in Y$?
14516
The space of continuous functions $C([0,1])$ is not complete in the $L^2$ norm
110832
$F_\sigma$-subsets in a normal space can be separated
12189
Prove norm doesn't come from inner product.