view src/three_plus_one.agda @ 57:5f0e13923cfd

Fixes
author Yasutaka Higa <e115763@ie.u-ryukyu.ac.jp>
date Mon, 16 Feb 2015 16:24:42 +0900
parents de3397af1f8d
children
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open import Relation.Binary.PropositionalEquality
open import nat
open import nat_add

module three_plus_one where

3+1 : (S (S (S O)))  +  (S O) ≡ (S (S (S (S O))))
3+1 = refl