<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("CSgrp",5,{commutative:true,associative:true})</script>
Trace: • groups • clifford_semigroups • start • finite_ordered_commutative_semigroups • finite_ordered_semilattices • finite_commutative_semigroups