------------------------------------------------------------------------
-- The Agda standard library
--
-- An example of how Algebra.IdempotentCommutativeMonoidSolver can be
-- used
------------------------------------------------------------------------

module Algebra.IdempotentCommutativeMonoidSolver.Example where

open import Relation.Binary.PropositionalEquality using (_≡_)

open import Data.Bool.Base using (_∨_)
open import Data.Bool.Properties using (∨-idempotentCommutativeMonoid)

open import Data.Fin using (zero; suc)
open import Data.Vec using ([]; _∷_)

open import Algebra.IdempotentCommutativeMonoidSolver
  ∨-idempotentCommutativeMonoid

test : ∀ x y z → (x ∨ y) ∨ (x ∨ z) ≡ (z ∨ y) ∨ x
test a b c = let _∨_ = _⊕_ in
  prove  ((x ∨ y) ∨ (x ∨ z)) ((z ∨ y) ∨ x) (a ∷ b ∷ c ∷ [])
  where
  x = var zero
  y = var (suc zero)
  z = var (suc (suc zero))