Range of linear transformation is subspace of codomain

Dependencies:

  1. Linear transformation
  2. Condition for being a subspace

Let $T: U \mapsto V$ be a linear transformation. Then the range of $T$ (denoted as $T(U)$) is a subspace of $V$.

Proof

\[ T(x), T(y) \in T(U) \implies T(x) + T(y) = T(x+y) \in T(U) \] \[ T(x) \in T(U) \implies cT(x) = T(cx) \in T(U) \]

Therefore, $T(U)$ is a subspace of $V$.

Dependency for:

  1. Basis of range of linear transformation

Info:

Transitive dependencies:

  1. Group
  2. Identity of a group is unique
  3. Subgroup
  4. Inverse of a group element is unique
  5. Conditions for a subset to be a subgroup
  6. Condition for a subset to be a subgroup
  7. Ring
  8. Field
  9. Vector Space
  10. Zeros in vector space
  11. Negation in vector space
  12. Condition for being a subspace
  13. Linear transformation