<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("SgrpZ",5,{associative:true,zero:true})</script>
Trace: • bounded_lattices • abelian_groups • semigroups • modules_over_a_ring • modular_lattices • finite_semigroups_with_zero