/src/HOL/Library/Cancellation/
drwxr-xr-x [up]
-rw-r--r-- 2019-03-22 19:18 +0000 3172 cancel.ML
-rw-r--r-- 2019-03-22 19:18 +0000 6008 cancel_data.ML
-rw-r--r-- 2019-03-22 19:18 +0000 2098 cancel_simprocs.ML