<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: • universal_formulas • implicative_lattices • finite_integral_ordered_monoids • preordered_sets • commutative_ordered_monoids • finite_ordered_semigroups