Question: Given an m n, n > m matrix A over the reals, show that (S, I) is a matroid, where S is the set of

Given an m n, n > m matrix A over the reals, show that (S, I) is a matroid, where S is the set of columns of A and I I if and only if the columns in I are linearly independent. This is called a matric matroid.

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