<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("OSgrpZ",4,{associative:true,ordered:true,zero:true})</script>
Trace: • commutative_ordered_monoids • modules_over_a_ring • directoids • dense_linear_orders • integral_ordered_monoids • directed_graphs • loops • equations • p-groups • finite_ordered_semigroups_with_zero