diff 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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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/final_pre/src/ThreePlusOne.agda	Mon Feb 19 23:32:24 2018 +0900
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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
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