<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_rings_with_identity • definable_principal_congruences • finite_integral_ordered_monoids • lukasiewicz_algebras_of_order_n • cancellative_commutative_monoids • distributive_residuated_lattices • semiassociative_relation_algebras • commutative_involutive_fl-algebras • generalized_pseudo-effect_algebras • finite_ordered_semigroups_with_zero