Question: Let be a subspace of vector space and that is linear. Prove that subspaces are all T-invariant. I feel that the trick is really simple but I just cannot grasp it. Any pointers would be appreciated - thanks.
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Originally Posted by Last_Singularity Question: Let be a subspace of vector space and that is linear. Prove that subspaces are all T-invariant. I feel that the trick is really simple but I just cannot grasp it. Any pointers would be appreciated - thanks. and are obvious since is linear. Since for all we have and so by definition, if then and
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