<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("OSgrp",4,{associative:true,ordered:true})</script>
Trace: • directed_graphs • universal_formulas • linear_logic_algebras • commutative_integral_ordered_monoids • digraph_algebras • commutative_partially_ordered_semigroups • symmetric_relations • reflexive_relations • cancellative_commutative_monoids • finite_ordered_semigroups