/src/HOL/Library/Cancellation/
drwxr-xr-x [up]
-rw-r--r-- 2019-12-04 12:44 +0000 3186 cancel.ML
-rw-r--r-- 2019-12-04 12:44 +0000 6008 cancel_data.ML
-rw-r--r-- 2019-12-04 12:44 +0000 2098 cancel_simprocs.ML