Dimensions of finite-dimensional vector space and its dual
131993
Prove that vector space and dual space have same dimension
152325
Every subspace of the dual of a finite-dimensional vector space is an annihilator
52596
A basis for $k(X)$ regarded as a vector space over $k$
59030
Finding the dimension of a given vector space
121047
Proof: Sum of dimension of orthogonal complement and vector subspace
27478
Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case
18373
Can infinite-dimensional vector spaces be decomposed into direct sum of its subspaces?
75829
Dimension of open subsets of $R^n$
33642
Finite dimensional subspace of $C([0,1])$
59803
Converse of Schur's Lemma in finite dimensional vector spaces
120344
Are there nontrivial vector spaces with finitely many elements?
68006
Find the dimensions of some kernel subspaces of $\operatorname{Hom}(V, W)$.
92510
Proving a vector space is infinite-dimensional
38516
Show a subset is subspace of a vectorspace and find the dimension
115120
Finite dimensional $C^*$-algebras
74764
Dimension for a closed subspace of $C[0,1]$.
132300
Dimensions of vector spaces in an exact sequence