Lex Parsimoniae

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When it comes to problem solving in general, we would do well to hone Occam’s Razor. Through Lex Parsimoniae, or the Law of Parsimony, we can pare down our approach to the simplest assumptions, and thus the most direct solutions.

This applies to combative or tactical problem solving in particular, perhaps even more so due to the high jeopardy and high consequence attaching to both the problems and their solutions.

Adapting the Law of Parsimony to assess combatively effective methods, Liam Keeley once identified four desirable qualities of such systems: Efficiency of Technique, Economy of Technique, Parsimony of Technique, and Integration Across the System. (1)

Where Keeley analyzed his own martial practice specifically, I felt that the same qualities should be sought – and taught – in any valid combative methodology.  Addressing them each in turn:

Efficiency of Technique

Technique must be both bio-mechanically efficient and behaviorally appropriate – that is, combat effective, recognizing that there is a difference between bio-mechanical (technical) efficiency and combat efficacy, for“combative parameters may dictate that movements are not as bio-mechanically efficient as they could be because of other factors…” ( p. 135 ) Similarly, movements that are efficient in one domain may not be efficient in another, currently more pressing situation.

Recently I was sent a video of an instructor, on a range, demonstrating a weapon retention technique by holding an attacker’s arm in place when it grasped his pistol in his front waistband belt, thus keeping him from taking the handgun.

When applied in demonstration mode, with no countervailing efforts against it, it appeared to be sound. It was a solid two-on-one hold on the arm, and the pistol could not be brought to bear on the instructor. For the sake of discussion, I’m assuming he was able to prevent the partner from sliding a finger inside the trigger guard and performing a ballistic vasectomy in place, something that could very easily happen in that kind of “gun grapple.”

When the instructor tried to demonstrate the technique against actual opposing will, he ended up not only beneath his attacker, (on two different tries), but gave them dominating pins on his back, with his face down,  and leaving them free to use an unfettered hand with strikes to the face or repeated elbows to the back of his head respectively.

The instructor, battered and bloodied, apparently maintained that he had successfully retained his weapon, so it was a validation of the technique. The weapon was retained. In the absence of all other factors involved, the technique was effective, I suppose, under that narrow definition.

In reality, he would have been beaten senseless, and the attacker would have simply taken the man’s firearm after having done so. Weapon not, in fact, retained.

Or, the attacker would have accessed his own weapon with his free hand, and the results would have been quite different.

Efficiency, and efficacy is based on combative parameters in total.

Many jiujitsu techniques are highly efficient and practical under unarmed dueling conditions or sport grappling rules, and become far less desirable in arrest and control or combat situations where the adversary can hit, grab your weapons, use their own weapons, or repeatedly smash your head into a curb.

Economy of Technique

Simplicity of movement – that is all extraneous movement is eliminated and the number of techniques is kept to a minimum. ( p. 138 ) Moreover, extraneous exertion in technique through improper use of musculature, posture, and positional dynamics is

Economical techniques are easily usable even when wearing armor,  when carrying heavy gear, in confined quarters, or on uneven or unstable terrain.

Techniques that are not economical – and remember, from a combative standpoint – are those which are not so efficient when the above elements are added.

Some individuals wonder why combative systems, as opposed to performance arts or holistic self-development methods, often offer relatively parsimonious technical curriculae. The reason is in part, Economy of Technique.

Parsimony of Technique

Moreover, it is “better to have a few techniques that always work than dozens that only sometimes work, or only work in part.” ( p. 138)

Once again, this is situationally anchored and goal dependent. What are we trying to accomplish and under what circumstances? Who are the people being taught, and to what end?

This also allows a refinement of these few techniques (and the more critically important understanding of their principles, body mechanics, pressure testing and validation ) to a higher level than if one were to have to practice dozens to a lesser degree. This will allow a greater reliability under added stress and pressure for the few, rather than the many. This in fact defines Occam’s Razor.

Integration Across the System

“Basic techniques…   … must be transferable, i.e. there should be substantial carry-over in that both the same physical techniques can be done with different weapons and that incoming attacks by different weapons can be dealt with using the same techniques. Moreover,  the techniques themselves need to be sufficiently flexible to be able to be used effectively by a wide range of body types.”

Martial artists may not be aware that this applies to firearms training as well. A fighting platform is a fighting platform, body mechanics are body mechanics. If you shoot, or embrace a shooting methodology that demands a radically different posture and operating system than your empty hand fighting, (assuming you use a validated empty hand method), you are cross training in the wrong way.

Flexibility is not relegated simply to application across body types, but to an ability to operate flexibly across multiple combative domains.

In some classical systems, for instance the one which Mr. Keeley describes in his article cited here, there is a common overall approach to combat: the same physical platform, a common way of moving, and common techniques are shared across seemingly discrete elements of the curriculae. Some of these systems, with ostensibly large catalogues of technique actually have far fewer than it appears on the surface, as the same methods are used system-wide, responding to differences in spatial relationship of the combatants, distance, type of weapon used by the adversary, and different situational variables. Many of these techniques are also linked to others so that when one is countered, another from elsewhere in the system is readily transitioned to.

The same should be true of a modern combative system. If you are training in a certain way stand-up fighting, and then when you end up on the ground, a complete re-booting of the approach occurs, the system is not integrated.

Keeley also includes mindset in his discussion of Integration, noting a concept promoted by the International Hoplology Society (of which Keeley is/was a board member):

“One Mind, Any Weapon,” that is, that mindset does not change based on the type of weapon (or let’s just say combative platform) the combatant is using. Such consistency may be hard for some to conceptualize, perhaps wondering how it is they should grapple with the same mindset as when they use a Glock,  but through properly integrated training, any confusion usually disappears.

As combat psychology and combative applications go hand in glove, a more descriptive phrase for Integration, for the adaptive, interdisciplinary tactician, might be:

One Mind, One Body, Any Weapon

Reference:

(1) Keeley, Liam; The Tojutsu of the Tatsumi-Ryu, Murphys Law, and the K.I.S.S. Principle, in Sword and Spirit, Classical Warrior Traditions of Japan Volume 2. Edited by Diane Skoss.

 

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