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constructive-algebra-0.1.1: examples/Z_Examples.hs

module Z_Examples where

import Test.QuickCheck

import Algebra.Structures.BezoutDomain
import Algebra.Structures.StronglyDiscrete
import Algebra.Ideal
import Algebra.Z


-------------------------------------------------------------------------------
-- Bezout domain examples

ex1, ex2 :: (Ideal Z, [Z], [Z])
ex1 = toPrincipal (Id [4,6])
ex2 = toPrincipal (Id [2,3])

ex3, ex4 :: Ideal Z
ex3 = Id [2] `intersectionB` Id [3]
ex4 = Id [2,3] `intersectionB` Id [3]


-------------------------------------------------------------------------------
-- Strong discreteness

ex5 :: Maybe [Z]
ex5 = member 2 ex3