<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: • pseudo_basic_logic_algebras • graphs • weakly_representable_relation_algebras • commutative_regular_rings • sets • lattice-ordered_semigroups • left_cancellative_semigroups • tools • quantales • finite_commutative_semigroups