Vadhel, P.; Visweswaran, S.
(ДЗ "ЛНУ імені Тараса Шевченка", 2018)
The rings considered in this article are nonzero
commutative with identity which are not fields. Let R be a ring.
We denote the collection of all proper ideals of R by I(R) and the
collection I(R)\{(0)} by I(R)
∗
. ...