package alba

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package alba
Legend:
Library
Module
Module type
Parameter
Class
Class type
type t =
  1. | Proposition
  2. | Any of int
val compare : t -> t -> int

compare for sorting purposes.

val is_sub : t -> t -> bool

is_sub s1 s2 Is s1 a subtype of s2 (or equal)?

val is_super : t -> t -> bool

is_super s1 s2 Is s1 a supertype of s2 (or equal)?

val type_of : t -> t
val pi_sort : t -> t -> t

pi_sort sA sB computes the sort of a product term

all (x: A): B

where A has sort sA and B has sort sB.