/src/HOL/Datatype_Examples/Derivation_Trees/
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-rw-r--r-- 2015-08-19 16:21 +0200 3067 DTree.thy
-rw-r--r-- 2015-08-19 16:21 +0200 49881 Gram_Lang.thy
-rw-r--r-- 2015-08-19 16:21 +0200 6426 Parallel.thy
-rw-r--r-- 2015-08-19 16:21 +0200 1976 Prelim.thy