Motivation for the development of the double dual of a vector space
13580
Motivation to understand double dual space
74623
Associative rule of subspaces and vector spaces: $(U+V) \cap W = U + (V \cap W)$
57619
Norms Induced by Inner Products and the Parallelogram Law
102371
Proving that two vector spaces of equal dimension are isomorphic
72952
Uniqueness of a linear map on a basis of a vector space
1316
Reverse Triangle Inequality in vector space
94844
Unitary map between sets of vectors
32420
A complete orthonormal system contained in a dense sub-space.
118025
Kernel of composition of linear transformations
116823
VERIFYING: Proving an $n \times n$ Matrix Vector Space
141191
Show that the direct sum of a kernel of a projection and its image create the originating vector space.
139951
Direct Sum of vector subspaces
68526
Polynomials as vector spaces?
29030
Vector space with new scalar multiplication defined over finite field still vector space?
122121
Is there a vector space that cannot be an inner product space?
121636
General linear group of a vector space
65971
Double dual mappings