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Hace 20 horas · In abstract algebra, a semiring is an algebraic structure.It is a generalization of a ring, dropping the requirement that each element must have an additive inverse.At the same time, it is a generalization of bounded distributive lattices.. The smallest semiring that is not a ring is the two-element Boolean algebra, e.g. with logical disjunction as addition.
Hace 20 horas · Roy William Thomas Jr. (born November 22, 1940) is an American comic book writer and editor. He was Stan Lee's first successor as editor-in-chief of Marvel Comics and possibly best known for introducing the pulp magazine hero Conan the Barbarian to American comics. Thomas is also known for his championing of Golden Age comic-book heroes – particularly the 1940s superhero team the Justice ...
