Catalan Robert Dilworth Cited by user Ferran Mir on 28 Jul 2022 , conegut com Bob Dilworth per amics i familiars, va ser un matemàtic estatunidenc.
English Congruence lattice problem Cited by user TheMathCat on 06 Feb 2022 In mathematics, the congruence lattice problem asks whether every algebraic distributive lattice is isomorphic to the congruence lattice of some other lattice.