<div id="insert"></div> <script src="http://math.chapman.edu/~jipsen/structures/ua.js"></script> <script>init("CBinZ",4,{commutative:true,zero:true})</script>
Trace: • trees • left_neofield • boolean_spaces • continuous_posets • finite_monoids_with_zero • finite_commutative_binars_with_zero