Logtk.NPDtreeThis module provides a simplification index and a term index, based on a non-perfect discrimination tree (see "the handbook of automated reasoning", chapter "term indexing", for instance). It should be more compact in memory than Dtree, and maybe more optimized too.
module Make (E : Index.EQUATION) : Index.UNIT_IDX with module E = Emodule MakeTerm (X : Set.OrderedType) : Index.TERM_IDX with type elt = X.t