Sorry for this belated reply, friend. My computer had totally crashed and had to doll-up in its pre-installed factory condition. Anyhow:
Is lying permissable as a part of strategy in war?
That woud be devastating. I believe, lying can be justified under specific umbrella and within reason. What say you, my friend?
I say you are correct, good brother. The two cardinal strategies of war, are deception and surprise. Btw, is justified and permissable equivalent concepts/terms in regard to war and lying?
I understand permissible to mean something that is allowable by/within rules, standards, instructions, etc. At times, permission can be granted or denied in order to amend or preserve a rule in a given situation (case sensitive). Whereas, justified is something that is demonstrated/declared by/within reason, validation, understanding, etc., with or without a governing rule/standard. By such validation/reason, though not necessarily, a standard or rule is set, modified and/or implemented.
In my understanding, the strategies of war are never binding/permanent rules but contribute to overall game-plans and conducts of operations. Such strategies are designed and intended to meet specific goals and changeable with times/situations and are susceptible to default. Thus, I believe the strategies of war are weighed-in to justify self-defense/victory/survival rather than permissible as an outward/written mandatory rule.
Example 1: It is not permitted to intentionally kill innocent beings but is justified in a warlike situation where innocent beings become subjected.
Example 2: There?s a surplus army reserve camp close by where I live, which surrounds commercial and residential dwellings. If a bomb was permitted and aimed at the camp, it may very well have destructive/catastrophic bearings on people and property surrounding the camp, hence justified.
All-in-all, hope I conveyed my drift through. Perhaps you can feed in your thoughts, friend.
Take care and GOD bless.