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src/sectionLDS.xml
and then $\spn{S}=\spn{T}$. $T$ is also a linearly independent set, which we can show directly. Make a matrix $C$ whose columns are the vectors in $S$. Rowreduce $B$ and you will obtain the identity matrix $I_3$. By <acroref type="theorem" acro="LIVRN" />, the set $S$ is linearly independent.
+and then $\spn{S}=\spn{T}$. $T$ is also a linearly independent set, which we can show directly. Make a matrix $C$ whose columns are the vectors in $S$. Rowreduce $C$ and you will obtain the identity matrix $I_3$. By <acroref type="theorem" acro="LIVRN" />, the set $S$ is linearly independent.