.. _ch:monoids: Monoids ======= Sage supports free monoids and free abelian monoids in any finite number of indeterminates. .. toctree:: :maxdepth: 2 sage/monoids/free_monoid sage/monoids/free_monoid_element sage/monoids/free_abelian_monoid sage/monoids/free_abelian_monoid_element sage/monoids/string_monoid_element sage/monoids/string_monoid