include "delayed_updating/syntax/path_head.ma".
include "delayed_updating/syntax/path_reverse.ma".
include "delayed_updating/notation/relations/black_rightarrow_if_4.ma".
include "delayed_updating/syntax/path_head.ma".
include "delayed_updating/syntax/path_reverse.ma".
include "delayed_updating/notation/relations/black_rightarrow_if_4.ma".