set difference
set difference The dyadic operation between two sets S and T, say, resulting in the set S – T consisting of those elements that are in S but not in T. Formally S – T = {s | s ∈ S and s ∉ T}
Set difference is a generalization of the idea of the complement of a set and as such is sometimes called the relative complement of T with respect to S. The symmetric difference between two sets S and T is the union of S – T and T – S.
Set difference is a generalization of the idea of the complement of a set and as such is sometimes called the relative complement of T with respect to S. The symmetric difference between two sets S and T is the union of S – T and T – S.
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set difference