Module Heyting_Algebra.V
module O : sig ... endval (<|=) : Bastet.Bool.Heyting_Algebra.t -> Bastet.Bool.Heyting_Algebra.t -> boolval pseudocomplement : Bastet.Bool.Heyting_Algebra.t -> boolval relative_pseudocomplement : Bastet.Bool.Heyting_Algebra.t -> Bastet.Bool.Heyting_Algebra.t -> Bastet.Bool.Heyting_Algebra.t -> bool