If we have a sequence (an ordered list)
$$ S=(s_0,s_1,...,s_n). $$
What is the notation for expressing that $S'$ is a (ordered) subsequence of $S$?
If we have a sequence (an ordered list)
$$ S=(s_0,s_1,...,s_n). $$
What is the notation for expressing that $S'$ is a (ordered) subsequence of $S$?