J-trivial semigroups#

class sage.categories.j_trivial_semigroups.JTrivialSemigroups(base_category)#

extra_super_categories()#

Implement the fact that a \(J\)-trivial semigroup is \(L\) and \(R\)-trivial.

EXAMPLES:

sage: Semigroups().JTrivial().extra_super_categories()
[Category of l trivial semigroups, Category of r trivial semigroups]