This subspace of $L^2$ is finite dimensional?
33642
Finite dimensional subspace of $C([0,1])$
134065
A question about an $n$-dimensional subspace of $\mathbb{F}^{S}$.
7828
Proof that an integral domain that is a finite-dimensional $F$-vector space is in fact a field
63529
How to show that this set is compact in $\ell^2$
123197
$C^2 $embedded in holder space?
153747
Sub-dimensional linear subspaces of $\mathbb{R}^{n}$ have measure zero.
124786
Prove that V contains a subspace of each dimension
59803
Converse of Schur's Lemma in finite dimensional vector spaces
65494
Proper subspaces of $ R^n $
95513
Proving $W$ is a subspace of $P_{2}$
69206
A finite-dimensional vector space cannot be covered by finitely many proper subspaces?
151425
Does $\mathbb{R}^n$ have a real vector space structure with dimension other than $n$?
15300
How to show that $(W^\bot)^\bot=W$ (in a finite dimensional vector space)
104578
Suppose that $V$ is a vector space, and $W$ is a subspace of $V$. If $V$ is finite dimensional, then prove $W$ too must be finite dimensional.
27478
Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case
67191
When is the union of a family of subspaces of a vector space also a subspace?
145668
Subspaces of $\ell^{2}$ and $\ell^{\infty}$ which are not closed?