No, no, not that infamous rule of the internet. The OTHER thirty six stratagems, used both in real warfare and by "corporate warriors", attributed to Sun Tsu (of The Art of War fame), though he probably never came up with such a list (especially since the names of several strategies reference events from long after his death). That said, quite a lot of these are either included in The Art of War or immediately deducible from it. More than a few of these may be considered dirty fighting. These strategems are some of The Oldest Tricks in The Book.