Matroid Induced by Linear Independence in Vector Space is Matroid

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Theorem

Let $V$ be a vector space.

Let $S$ be a finite subset of $V$.

Let $\struct{S, \mathscr I}$ be the matroid induced on $S$ by linear independence in $V$.

That is, $\mathscr I$ is the set of linearly independent subsets of $S$.


Then $\struct{S, \mathscr I}$ is a matroid.

Proof

It needs to be shown that $\mathscr I$ satisfies the matroid axioms $(I1)$, $(I2)$ and $(I3)$.

Matroid Axiom $(I1)$


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Matroid Axiom $(I2)$


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Matroid Axiom $(I3)$


This theorem requires a proof.
You can help $\mathsf{Pr} \infty \mathsf{fWiki}$ by crafting such a proof.
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Also see

Sources

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