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module type Basic_S = sig
type t
val equal : t -> t -> bool
val to_string : t -> string
end
module type Mul_Monoid_S = sig
type t
include Basic_S with type t := t
val one : t
val mul : t -> t -> t
end
module type Add_Monoid_S = sig
type t
include Basic_S with type t := t
val zero : t
val add : t -> t -> t
end
module type Add_Group_S = sig
type t
include Basic_S with type t := t
include Add_Monoid_S with type t := t
val neg : t -> t
val sub : t -> t -> t
end
module type Semiring_S = sig
type t
include Basic_S with type t := t
include Mul_Monoid_S with type t := t
include Add_Monoid_S with type t := t
end
module type Ring_S = sig
type t
include Basic_S with type t := t
include Mul_Monoid_S with type t := t
include Add_Group_S with type t := t
end
module type Field_S = sig
type t
include Basic_S with type t := t
include Ring_S with type t := t
val inv : t -> t
val div : t -> t -> t
end