grandes-ecoles 2019 Q24

grandes-ecoles · France · centrale-maths1__mp Proof Proof of Set Membership, Containment, or Structural Property
Show that if the union of a finite number of vector subspaces $F_1, \ldots, F_r$ of $E$ is a vector subspace, then one of the vector subspaces $F_i$ contains all the others. 
Show that if the union of a finite number of vector subspaces $F_1, \ldots, F_r$ of $E$ is a vector subspace, then one of the vector subspaces $F_i$ contains all the others.
Paper Questions
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