/Pearl-jv/
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-rw-r--r-- 2011-08-19 11:07 +0900 85517 Paper.thy
-rw-r--r-- 2011-08-19 11:07 +0900 152 ROOT.ML
-rw-r--r-- 2011-08-19 11:07 +0900 19 ROOT2.ML