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Questions about the properties of vector spaces and linear transformations, including linear systems in general.

1 vote

A hyperplane inside another one

The following should hopefully be an easy counterexample. Let $F$ be a field, $D$ its purely trascendental extension $F(x)$ (field of fractions of $F[x]$, the $F$-polynomials in $x$), $V$ the field $ …
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