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simpler proof
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 14 Sep 2013 11:20:18 +0900
parents 3249aaddc405
children d6a6dd305da2
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module level-ex where

open import Level

postulate ℓ : Level

postulate A : Set ℓ

postulate a : A

lemma1 : Set  ℓ -> A
lemma1  = \x -> a

lemma2 : A -> Set  ℓ
lemma2 = \x -> A

lemma3 : Set  (suc ℓ)
lemma3 = A -> Set  ℓ