# Revision history of "Section 1.10"

• curprev 23:17, 15 November 2015‎ ‎ 4,626 bytes +4,626 Created page with "'''3.''' Let $L: V \to W$ be a linear map and $N \subset W$ a subspace. Show that: $L^{-1}(N) = \{ x\in V: L(x) \in N\}$ is a subspace of <ma..."