<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("CMonZ",6,{associative:true,commutative:true,identity:true,zero:true})</script>
Trace: • partial_semigroups • first-order_classes • commutative_ordered_semigroups • ordered_semigroups • commutative_ordered_monoids • finite_commutative_binars_with_zero • trees • finite_ordered_semigroups • unique_factorization_domains • finite_commutative_monoids_with_zero