up:: 020 MOC Mathematics Topics Universal Algebra Lattice Limited Lattice Distributive Lattice Every distributive and limited lattice has unique complements Complemented Lattice Boolean Algebra Group Theory Group (Mathematics) Subgroup (Mathematics) Coset Normal Subgroup Left cosets equal right cosets implies normal subgroup Normal subgroups imply left cosets equal to right cosets A subgroup if normal iff its left cosets equal its right cosets Quotient Group Group Homomorphism Group Action Orbit of Group Action Group actions induce an equivalence relation over a set’s orbits Stabilizer of Group Action Transitive Group Action Free Group Action G-Torsor Grupo Livremente Gerado Field (Algebra)