/src/HOL/Library/Cancellation/
drwxr-xr-x [up]
-rw-r--r-- 2018-06-15 12:18 +0100 3084 cancel.ML
-rw-r--r-- 2018-06-15 12:18 +0100 5886 cancel_data.ML
-rw-r--r-- 2018-06-15 12:18 +0100 1993 cancel_simprocs.ML