/src/HOL/Library/Cancellation/ Isabelle2017
drwxr-xr-x [up]
-rw-r--r-- 2017-10-04 12:00 +0200 3084 cancel.ML
-rw-r--r-- 2017-10-04 12:00 +0200 5886 cancel_data.ML
-rw-r--r-- 2017-10-04 12:00 +0200 1993 cancel_simprocs.ML