diff Symmetric.agda @ 49:8b3b95362ca9

remove (fromℕ≤ a<sa) perm is no good
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 22 Aug 2020 19:55:41 +0900
parents ac2f21a2d467
children 32004c9a70b1
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