/src/HOL/Library/Cancellation/
drwxr-xr-x [up]
-rw-r--r-- 2017-11-04 15:24 +0100 3084 cancel.ML
-rw-r--r-- 2017-11-04 15:24 +0100 5886 cancel_data.ML
-rw-r--r-- 2017-11-04 15:24 +0100 1993 cancel_simprocs.ML