; it is thus
the union of their differences in opposite orders.
Show that
.
The symmetric difference of two sets and , denoted by , is defined by ; it is thus the union of their differences in opposite orders. Show that A ∩ (B Δ C) = (A ∩ B) Δ (A ∩ C).
The symmetric difference of two sets is investigated. The solution is detailed and well presented.