/src/HOL/Library/Cancellation/
drwxr-xr-x [up]
-rw-r--r-- 2018-02-25 12:55 +0000 3084 cancel.ML
-rw-r--r-- 2018-02-25 12:55 +0000 5886 cancel_data.ML
-rw-r--r-- 2018-02-25 12:55 +0000 1993 cancel_simprocs.ML