<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("Band",5,{idempotent:true,associative:true})</script>
Trace: • horn_formulas • abelian_p-groups • first-order_theory • clifford_semigroups • generalized_separation_algebras • distributive_lattices_with_operators • equivalence_relations • semirings_with_zero • de_morgan_monoids • finite_bands