<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("CSgrpZ",5,{associative:true,commutative:true,zero:true})</script>
Trace: • euclidean_domains • reflexive_relations • schroeder_categories • double_stone_algebras • abelian_lattice-ordered_groups • finite_commutative_monoids_with_zero • finite_commutative_semigroups_with_zero