comparison final_pre/src/ThreePlusOne.agda @ 7:28f900230c26

add final_pre
author ryokka
date Mon, 19 Feb 2018 23:32:24 +0900
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6:d927f6b3d2b3 7:28f900230c26
1 open import Relation.Binary.PropositionalEquality
2 open import nat
3 open import nat_add
4
5 module three_plus_one where
6
7 3+1 : (S (S (S O))) + (S O) ≡ (S (S (S (S O))))
8 3+1 = refl