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SAE War Theory · Interface IV
SAE 战争论 · 兵法接口 卷四
Interface 04 of 09
接口 第 04 卷,共 09 卷

Four Permissions

四种许可

Han Qin (秦汉)Independent English edition中文原作 · 简/繁

Abstract

The Laozi, the Sima Fa, the Mozi and SAE overlap at one place: all four refuse to treat war as an ordinary policy option, and each sets up a condition of permission — by attitude, by purpose, by norm, by structure.

A stronger reading has to be ruled out at once. The four do not share a last-resort condition. The Sima Fa's to stop war by war, then war is permissible is a condition of justification; the Mozi's division between attack and chastisement is a condition of standing. Neither is a last-resort condition. Of the four, only Laozi and SAE hold one explicitly.

Four kinds of reason mark out different ranges. An attitude-type reason can lead to not fighting at all; a structural one cannot. A purpose-type reason supplies war with a legitimate result still to be attained, and therefore structurally permits widening the war for the sake of that result. A norm-type reason depends on a position that can adjudicate what is right.

And the Mohists defending cities give Theorem One's second face a real test — one this volume adjudicates. They also constitute a counter-example to a universal proposition of volume six, and force it to be rewritten.

1. How Thick the Overlap Is, and What It Is Not

Laozi 31: weapons are instruments of ill omen, not the instruments of a gentleman; he uses them only when he cannot do otherwise, and holds calm restraint the highest. Chapter 30 runs the same way: he who assists a ruler with the Way does not coerce the world with arms — such affairs are apt to rebound. The Sima Fa, Renben: so if killing men brings peace to men, killing is permissible; if attacking a state is out of love for its people, attacking is permissible; if war stops war, then even war is permissible. The Mozi, Against Offensive Warfare III, answering the challenge that Yu, Tang and King Wu all campaigned and all became sage kings: you have not examined the class of my words, nor understood their reason. Those were not what is called attack; they are called chastisement. And SAE's Theorem One: cannot-not — the carrier of cultivation is breached, and cultivation in a gentler form can no longer continue.

All four refuse to treat war as an ordinary policy option, and each builds a condition of permission out of attitude, purpose, norm and structure. The overlap is real, and it is narrower than it looks. What the four share: none accepts advantageous, therefore permissible; all require an extra gate before war begins; and all place that gate high in their own system — Laozi in the two chapters on arms, the Sima Fa in its opening paragraph, Mozi across three whole chapters, SAE at Theorem One.

What the four do not share is the character of that gate. Reading all four as the precondition every other road has been walked does not hold. Laozi: uses them only when he cannot do otherwise — a last-resort condition indeed. SAE: the carrier breached, the gentler form no longer possible — a last-resort condition indeed. The Sima Fa: killing that brings peace is permissible, war that stops war is permissible — this is a condition of justification. It does not ask whether other roads have been walked; it asks what this war serves. A war serving the ending of war is permitted by this reason even if other roads remain. The Mozi: those are not attack, they are chastisement — this is a condition of standing. It does not ask whether other roads have been walked; it asks which class this campaign falls into. Chastisement need not first show that the roads other than chastisement are exhausted.

So of the four, only Laozi and SAE explicitly hold a last-resort condition. And the fourfold division is precisely the device that prevents the misreading: state first that the four are of different kinds, then check what each marks out. Press them into one common point at the start and every later section will be supplying reasons for a common point that does not exist.

Type of reasonWhat the gate asks
LaoziattitudeWeapons are of ill omen; used only when one cannot do otherwise — a last-resort condition
Sima FapurposeWhat does this war serve — a condition of justification
MozinormWhich class does this campaign fall into, attack or chastisement — a condition of standing
SAEstructureIs the carrier of cultivation breached and the gentler form no longer possible — a last-resort condition

2. The Attitude Type: Laozi, and One Exit

Laozi's cannot do otherwise hangs on a judgement about weapons themselves: they are instruments of ill omen. Fine weapons are instruments of ill omen; all things may come to detest them, so one who has the Way does not dwell with them. The form of the argument is: this thing has a bad property in itself, all things detest it, so a man of the Way does not keep company with it — and therefore using it can only be being forced with no other course. It is a judgement about the character of the object, and what follows from it is an attitude — calm restraint above all, victory not to be admired, a victory in war to be received with the rites of mourning.

An attitude-type reason can lead to not fighting at all; a structural one cannot. Laozi's leaves an exit, and he walks toward it himself: since weapons are of ill omen, the best choice is not to use them at all. Chapter 30's does not coerce the world with arms and chapter 31's one who has the Way does not dwell with them both point that way.

SAE's cannot-not closes that exit. Once the structural condition is met, not fighting is not an option — it merely transfers the cost elsewhere, and usually to the part of the population least able to bear it. The difference is not one of degree. Laozi's criterion allows a man to say I will not take part in this, and supplies him a complete reason for that choice. SAE's does not, because it asks not shall I take part but is this situation already without another form.

And there is one thing Laozi has that SAE lacks. Chapter 30: he who assists a ruler with the Way does not coerce the world with arms; such affairs are apt to rebound. This is a judgement about blowback, and where it appears is worth noting: it is in the judgement about going to war, not in the judgement about means. SAE's treatment of blowback is concentrated at the layer of means — §12 on how deceit suppresses one's own subjecthood, and the four mechanisms set side by side in volume three all act on means. Theorem One has no such item. It asks is it unavoidable; it does not ask how will this come back on us. The item can be taken up, and the taking has a difficulty: add will it rebound to Theorem One and Theorem One acquires a component of consequence-calculation — which is exactly what the next distinction is meant to keep it clear of. How to take it up is left open.

Victory not to be admired is a second overlap, and the reasons still differ. A victory is not beautiful, and he who finds it beautiful delights in killing men… where the slain are many, weep for them in sorrow; a victory in war is to be received with the rites of mourning. §8 agrees with the conclusion: not losing is not winning. Laozi's reason: weapons are of ill omen, so success with them is not a good thing either. SAE's reason: military outcome is one dimension and passing the principle is another; winning does not constitute legitimacy in principle. The coverage differs: by Laozi's, no victory in any war deserves admiration, because weapons are of ill omen. By SAE's, a defensive war that passes the principle is not something whose completion cannot be acknowledged — what cannot be acknowledged is the inference that victory itself constitutes legitimacy. So the two block different things: Laozi blocks the glorification of war, SAE blocks settling the principle by the outcome. One blocks widely, the other blocks one specific inference squarely.

3. The Purpose Type: the Sima Fa

So if killing men brings peace to men, killing is permissible; if attacking a state is out of love for its people, attacking is permissible; if war stops war, then even war is permissible. Three sentences of one structure: the act itself — killing, attacking, warring — is not legitimate, but if it serves a legitimate result — peace, love of the people, the ending of war — then it is permitted. This places war inside a chain of means: there is an end to be reached, war is one available means to it, and within that scope it is permitted.

A purpose-type reason supplies war with a legitimate result still to be attained, and therefore structurally permits widening the war for the sake of that result. The argument: if war's permission derives from the result it serves, then so long as that result is not yet attained, this war has not yet completed its legitimacy. Continue the war in order to stop war is coherent inside this reason — it is not an abuse of it. And this is not a consequence pressed onto the text from outside. The Sima Fa writes it out itself.

4. The Extension the Sima Fa Gives Itself

In the same chapter, on the disposition after the guilty have been chastised: on entering the territory of the guilty, do no violence to the spirits, hold no hunts, damage no earthworks, burn no houses, fell no forests, take no livestock, grain or implements. Seeing the old and the young, escort them home unharmed; even meeting the able-bodied, if they do not resist, do not treat them as enemies; if they are wounded, give them medicine and send them back. This code is real, and finer than most traditions of its era. It should not be passed over. No desecration of shrines, no hunting, no wrecking of waterworks, no burning of houses, no felling of timber, no seizing of livestock, grain or tools; the old and the young sent home; the unresisting not made enemies; the wounded treated and returned.

But the clause that follows is another matter: the guilty having been chastised, the king and the feudal lords shall set that state in order, raise up the worthy and establish the enlightened, and restore its proper offices. The Sima Fa, Renben, places just punitive war and post-war political rectification within one and the same normative architecture. That is a textual fact: one chapter, one sequence of norms — first the prohibitions governing conduct on entering enemy territory, then, immediately, the rectification of that state once the guilty have been chastised. The two are contiguous in the text.

The next step is this volume's own reading, and is marked as such. If war's permission derives from the result stopping war, then securing that result belongs to the war; and a state just chastised will generate fresh disorder if its internal order is not rebuilt — so on this reason rebuilding is entailed. The text does not assert that inference. The Sima Fa nowhere says because the purpose is to stop war, political rectification is necessary; it merely places the two together. That the juxtaposition has a structural reason is this volume's holding — interpretation, not quotation. And a note on the state of the text: the five surviving chapters are the remnant of a larger ancient corpus, formed principally in the scholarly milieu of Warring States Qi while preserving an earlier stratum of military ritual, so one should not draw a strong claim about authorial logic from two propositions sharing a chapter.

But even taking only the layer of textual fact, the contrast with SAE stands. §18 prohibits precisely the act of setting that state in order, raising up the worthy and establishing the enlightened — and the Sima Fa writes it into the sequence of norms for a just war. Two normative systems giving contrary provisions at one and the same place: that does not depend on any interpretation at all.

5. Where Theorem Three Stands Here, and One Cross-Tradition Correspondence

Theorem Three requires that war be directed toward ending. But ending is not the same as attaining a legitimate result. The content of ending is: domination broken, and the possibility restored for the other party to organise itself. It does not include making the result. A situation in which domination has been broken and the other party then falls into disorder is, by Theorem Three, ended; by the Sima Fa, incomplete.

The difference can be stated precisely. The Sima Fa's terminus lies in the state of affairs — is that country now settled. SAE's lies in the relation — has the domination been broken, has the other party recovered the position from which it decides for itself. A state of affairs can be produced by the victor. A relation cannot.

And one correspondence across traditions. In the Doctrine of Right §60 (1797) Kant permits compelling an unjust enemy to adopt a constitution unfavourable by its nature to war — the same act. The two reasons are entirely different: Kant's runs through Recht (the character of that state's constitution is a property identifiable from outside), the Sima Fa's through the stopping of war (the result must be secured). Two wholly different paths landing at the same place shows this is not one tradition's deviation. It is the common exit of the practice of setting a legitimate goal for war — once legitimacy derives from a result to be attained, securing the result belongs to the war, and the most direct way to secure it is to build the order on the other party's behalf. (Kant's provision is treated in full in volume one of this series.)

6. The Norm Type: the Mozi, and That Adjudicating Position

The argument of Against Offensive Warfare I is an analogy. A man enters another's orchard and steals his peaches and plums, and all condemn him; killing an innocent man, stripping him of his clothes, taking his spear and sword, is more unrighteous still than taking another's horse or ox, because the injury to others is greater. In such cases the gentlemen of the world all know to condemn it. Yet when it comes to the great unrighteousness of attacking a state, they do not know to condemn it; they follow along and praise it and call it righteous. Can this be called knowing the distinction between righteous and unrighteous? The structure is clear: unrighteousness increases with the injury done — and this is an inconsistency in logic, not a divergence in values. Mozi presses it to the extreme: killing one man is one capital crime, killing a hundred a hundred; while attacking a state kills by the ten thousand and is called righteous — seeing a little black one calls it black, seeing much black one calls it white. That is not a difference in values but an inability to tell black from white.

But in Against Offensive Warfare III, answering the challenge, Mozi introduces a division: those are not what is called attack; they are called chastisement. The division is clean, and it places the whole weight on one thing: who adjudicates whether this is attack or chastisement. Mozi's criterion is to promote what benefits the world and eliminate what harms it — a substantive standard requiring someone to certify it. And the instances he cites for the three sage kings all appeal to the mandate of Heaven: the Miao were in great disorder and Heaven decreed their destruction; Xia's virtue was in great disorder and Heaven then commanded Tang. In his setting the adjudicator is Heaven, and Heaven's will is displayed through portents — a sun-prodigy at night, three days of blood-rain, a dragon born in the temple, a red bird bearing a jade tablet.

A norm-type reason depends on a position from which what is right can be adjudicated. This is isomorphic with just war theory, which likewise requires a position from which to determine who the just party is — and among states no adjudicator acknowledged by all parties exists. That structure is treated in full in volume five; two points only are recorded here. First, SAE does not establish that position. Theorem One does not ask whether this war is attack or chastisement; it asks after structural conditions verifiable from outside.

Second, what Mozi has and SAE does not must be acknowledged. The analogical argument of Against Offensive Warfare I does not depend on the mandate of Heaven — it is a pure consistency argument, and anyone who grants that greater injury is greater unrighteousness must accept its conclusion. Its force is independent of the adjudicating position, and it engages precisely the class of opponent SAE finds hardest: one who justifies aggression by saying his side is righteous. Mozi's method is not to argue about righteousness with him, but to point out that his measure differs between small matters and large. SAE can use this, and SAE currently has no equally forceful form of it.

7. Bude-yi and Bude-bu

Bude-yi — having no alternative — is a judgement about the agent's situation. Bude-bu — cannot-not — requires structural conditions verifiable from outside. Of the four, Laozi comes closest, since bude-yi does structurally point at there is no other way rather than at unwillingly. But the centres of gravity differ. Bude-yi centres on the agent — he was forced to it, he had no other choice, he did it and took no pleasure in it; Laozi's calm restraint above all and victory not to be admired say exactly this. Bude-bu centres on the situation — whether those forms are still open, irrespective of what the agent wants or feels.

And so bude-yi can be sincerely mistaken; bude-bu cannot. A man can sincerely feel he has no alternative. Fear, humiliation, misinformation, incomplete knowledge can all produce that feeling, and produce it without a trace of insincerity. Laozi's criterion has no guard against this, because it was never about the structure of a situation. And in this matter, being sincerely mistaken is as fatal as being insincere. This is SAE's practical reason for putting the criterion in structure rather than in attitude — not that structure is finer than attitude, but that a feeling cannot be reviewed, and the cost of war is not borne by feelings.

One cost must be acknowledged at once. Whether a structural condition can be verified is itself a question: whether cultivation in its gentler form can still continue cannot be counted the way one's own casualties can be counted. So the difference stated above is a difference in principle — an attitude-type criterion is unverifiable in principle, while a structural one is verifiable in principle and not always in practice. The difference is real, and it is smaller than it looks.

8. The Mohists Defending Cities: the Material

The Mohists did not merely oppose offensive war; they organised armed parties to help other states hold their walls. This is the only material in pre-Qin China that can be brought to bear on the second face of Theorem One. Gongshu: Gongshu Ban had built scaling ladders for Chu, to attack Song; Mozi set out from Qi and walked ten days and ten nights to Ying, and persuaded first Gongshu Ban, then the king. The king conceded the argument: well said — even so, Gongshu Ban has made me scaling ladders; I must take Song. The argument did not stop the war.

There followed the simulated siege: Mozi unfastened his belt to make a wall and used slips of wood for engines; Gongshu Ban deployed nine changes of siege machinery and Mozi repelled all nine — Gongshu Ban's engines were exhausted and Mozi's defence had margin to spare. Gongshu Ban said he knew how to defeat him but would not say it; Mozi said he knew it too, and would not say it either. Asked the meaning, Mozi answered: Gongshu's intent is nothing more than to kill me. Kill me, and Song will be unable to hold and can be attacked. But my disciple Qin Huali and three hundred others already hold my defensive implements upon the walls of Song, awaiting the invaders from Chu. Though you kill me, you cannot cut them off.

Preparing the City Gates opens with Qin Huali asking how a small state may be defended, and Mozi's answer is not about equipment: our walls and moats repaired, defensive implements ready, firewood and grain sufficient, superiors and inferiors in mutual affection, and further the aid of the neighbouring lords — by these one holds. And though the defender be skilled, if the ruler does not employ him, still one cannot hold… therefore the defender must be skilled and the ruler must honour and employ him; only then can one hold. The second passage lists fourteen conditions for holding a city, and its conclusion is very strong: where not one of the fourteen is present, then even a skilled man cannot hold it.

9. Isomorphic with §11, and the Gate of Genuine Rising

Preparing the City Gates makes the internal condition of a community a necessary condition of a city's defensibility, isomorphic with §11 of the treatise. Of the fourteen, walls, moats, towers, implements, grain and terrain are material conditions; while officials and people in accord, the ruler trustworthy and just and the myriad people delighting in him without end, the graves of fathers and mothers are there, deep resentment against the enemy and great merit toward one's superiors, rewards clear and credible and punishments severe enough to be feared — these are conditions internal to the community. This is deepening cultivation is national strength in Warring States form — whether a community can hold itself depends on its internal condition, not on how good a technician it has hired.

And the defender must be skilled and the ruler must honour and employ him; only then can one hold corresponds to the genuine rising gate on the second face of Theorem One. The force of the sentence lies in its negative form: however good the defender, if the ruler does not employ him, the city still cannot be held. Mozi is not discussing courtesy; he is stating an operational fact — the party being defended must itself want to defend. And the practice recorded in Gongshu matches: Mozi went first to dissuade the attacker while sending disciples to assist Song's defence, not to take it over. Nowhere in the chapter does he demand that Song hand over command, and nowhere does he establish anything in Song.

10. The Gate of the Intervening Party's Own Interests: a Determination

Among the four gates on the second face of Theorem One, the hardest is that an intervening party must have interests of its own — the gate exists to prevent deciding on others' behalf whether they should resist. What were the Mohists' own interests? They were not men of Song. Gongshu adds one detail at its close: Mozi returned, and passing through Song it rained; he took shelter in a gateway, and the gatekeeper would not let him in. The state he had saved did not know him, and would not let him in out of the rain. That detail rules out any motive of reward.

The Mohists' defence of cities satisfies the gate, but their interest lies at the level of a community's continued existence, not at the level of benefit. Mohism was a community with a definite doctrine, a definite organisation, a definite way of life; and that community's continuation required one condition — that there exist a number of independent small states, some of whose rulers were willing to listen and to employ them. In a world annexed to the end, that condition disappears. Mozi calculated this himself in Against Offensive Warfare II: of the states enfeoffed in antiquity, those destroyed by offensive war are beyond counting; Ju in the east was a very small state, wedged between great ones, and in the end perished. In a world where the small states have all been swallowed, Mohism has nowhere to go. So stopping attacks is not altruism; it is guarding one's own carrier — only that carrier is not property or territory but a world in which small states still exist and someone is still willing to hear a doctrine.

The consequence of this determination is that the sense of the gate is broader than first supposed: it does not require the intervening party to have material gains or losses at stake, only that the intervening party's carrier of cultivation genuinely depends on the outcome of the intervention. The contrary possibility must be stated. Read more strictly — requiring a direct, identifiable common interest between intervening and intervened — the Mohists do not satisfy it, and Theorem One would then determine that the practice closest to 15DD in pre-Qin China does not hold. This volume adopts the broad reading, on the ground that the strict reading would exclude all cross-community assistance, which is not what this gate exists to prevent. What it exists to prevent is deciding on others' behalf whether they should resist — and the Mohists left precisely that decision to the other side.

11. The Halting in Gongshu Is Not of Sunzi's Type

Sunzi's attacking the enemy's plans is destroying the other side's design so that it cannot stand. In Gongshu the king's plan was not destroyed: having conceded the argument he still said I must take Song. What changed the outcome were two things — the result of the simulated siege, nine attacks repelled nine times; and the fact that three hundred men were already on Song's walls with defensive implements. This is making the attack fail on cost, not making the plan fail.

And its precondition is that the defence was already in place. Had Qin Huali's three hundred not been on Song's walls, neither the advocacy nor the sand-table exercise would have stopped the king — Mozi says so plainly: kill me, and Song cannot hold, and can be attacked. This is a historical specimen of §10's not fighting is also preparing, and the specimen gives a more specific form: preparation is part of what makes attacking-the-plan work, not the next step after it has failed. Sunzi's four-rung sequence — attack the plan, attack alliances, attack the army, attack cities — implies a temporal order; in Gongshu, preparation and persuasion proceed simultaneously, and preparation is the condition of persuasion working at all.

This bears directly on Theorem One's threshold. If preparation is the condition of attacking-the-plan working, then attacking-the-plan exhausted cannot be understood as saying everything one can say while unprepared. And this is a concrete instance of a more general dependency: determining whether that threshold is satisfied requires knowing what options attacking-the-plan and attacking-alliances comprise and under what conditions each works — which is execution-layer knowledge, and SAE explicitly does not do the execution layer. A layer of principle may declare that it does not do the execution layer. It may not declare that it does not depend on one. The full treatment is in volume six.

12. Mohism as a Counter-Example, and the Rewriting

The proposition tested here comes from volume six, and is stated in full because everything in this section depends on it. Original form, universal: constraints on the enemy-facing side can be generated by reciprocal equilibrium — one does not strike a state in mourning, does not exploit a natural disaster, drums only once the enemy has formed his ranks; such rules arise and persist because the other side observes them too, and a violator meets the same treatment next time. Whereas on one's own side there is no counterparty to enforce. Who redeems the soldier's standing to be informed? Who makes a commander pay for violating it? In a one-directional structure where reward, punishment, life and death all issue from the commander, no mechanism can stabilise such a constraint — such constraints therefore lack the conditions of their generation. That proposition flagged Mohism as a possible counter-example, because the Mohists were a transnational organisation whose internal discipline was enforced by no state's military law.

Mohism is a counter-example to the original universal form, and forces the rewriting of its domain and its table of mechanisms. To say Mohism is not a counter-example, only an addition does not hold: if the original proposition is universal — no generative mechanism on one's own side — then a single sample with a non-reciprocal constraint on that side is a counter-example. Lu's Questions records that Mozi sent his disciple Sheng Chuo to serve Xiangzi Niu; Xiangzi Niu invaded Lu three times and Sheng Chuo followed him three times. Hearing of it, Mozi sent Gao Sunzi to request his withdrawal — he recalled his own student. His reason: to speak of righteousness and not act on it is knowingly to transgress. It is not that Chuo did not know; his salary outweighed his righteousness. This is a discipline on a member of one's own side, and its support is not reciprocity: Sheng Chuo could not punish Mozi, and Mozi had nothing to fear from him.

But its support is not humanity is an end either — this distinction is the easiest thing in the section to misread. What stabilised Mohist discipline was a bundle of institutional conditions, not the standing of a norm on its own: rules acknowledged as constitutive of the community (not to keep them is not to be a Mohist); an internal authority and review mechanism (the office of the Grand Master); real consequences for violation (recall, expulsion); exit a real and not merely nominal possibility (voluntary entry, and one may leave); a channel for appeal and reinterpretation (the Mohist tradition of disputation). The character of this bundle must be stated: these five are candidate conditions generalised from a single sample, untested for necessity or sufficiency, and Mohism has all five is itself overstated — the Grand Master and expulsion have textual support, rules acknowledged as constitutive is supported by to speak of righteousness and not act on it is knowingly to transgress, while the channel of appeal comes from a general impression of the Mohist tradition of disputation, for which this volume has no specific citation.

And a distinction must be carried through: why a norm holds and how a norm comes to be stably enforced within an organisation are two things. Humanity is an end does not fail because institutions are inadequate — in a community without a Grand Master, treating a person merely as a means is still not legitimate. And that the office of Grand Master could stabilise discipline does not show that the discipline was legitimate. So what this section gives is a hypothesis about institutional stability, not a judgement about the source of norms.

The rewritten form: self-limitations on the enemy-facing side can be stabilised by reciprocity; self-limitations on one's own side cannot depend on the other party's retaliation, and must be stabilised otherwise — by internal rights, procedures, membership structures, or institutional review. Reciprocity is not the only mechanism by which constraints are generated. This form has a real boundary of application: Mohists could leave Mohism; soldiers cannot leave an army. All five conditions fail in a conscript army — membership is not voluntary, the cost of exit is death, there is no internal review, there is no channel of appeal. So after the revision, a conscripted army still falls on the side of the conditions of generation are absent. And the corollary attached to the original proposition is unaffected: a constraint hung on reciprocity is effective only on the face where reciprocity obtains, while a criterion hung on humanity is an end takes effect without requiring the other party to be capable of retaliation. That is the practical reason for placing a criterion on the ground rather than on custom — custom disappears where reciprocity disappears, and on one's own side there was never any reciprocity to be had.

13. Left Unresolved in This Volume

Laozi's such affairs are apt to rebound is a blowback mechanism situated in the judgement about going to war, and Theorem One has no counterpart — SAE's blowback mechanisms all sit at the layer of means. Whether to take it up is undecided, and the difficulty is that taking it up would add a component of consequence-calculation to Theorem One, which the distinction between bude-yi and bude-bu exists precisely to keep it clear of.

The broad reading of the own-interests gate has an undetermined boundary: what counts as depending on? Does a community that merely cares, in thought, about another's fate satisfy it? This volume does not answer. And that preparation is a condition of attacking-the-plan working deepens Theorem One's threshold into a dependency on execution-layer knowledge, treated in volume six.

Finally: the consistency argument of Against Offensive Warfare I — seeing a little black one calls it black, seeing much black one calls it white — engages the class of opponent who justifies aggression by claiming righteousness more directly than any form SAE currently has. Whether SAE should adopt an argument of the same type has not been considered.

14. A Note on the Title

This volume, like the rest of the series, keeps its correction records in the body: withdrawn propositions, narrowed claims and reductions are marked where they occurred rather than silently repaired. They are kept for a reason — a framework that requires cannot-not be questioned must be the first thing questioned, and a text that shows no sign of ever having erred gives its reader no way to judge how its determinations were reached.

In this volume the point bears on the title itself. A title such as Four Ways of Having Nowhere Left to Go would presuppose that all four traditions share a last-resort condition — and the first section shows they do not. What a volume is called must answer to what it can establish.

提要

《老子》,《司马法》,《墨子》三家与 SAE 在同一处重叠:四家都拒绝把战争当作普通的政策选项,而分别以态度,目的,规范与结构建立许可条件。

须立刻排除一个更强的读法:四家并不共有「其他路都走不通」这一前置条件。《司马法》的「以战止战,虽战可也」是正当化条件,墨子的攻/诛之分是资格条件,两者都不是最后手段条件——四家里只有老子与 SAE 明确持有一条。

四条理由划出的范围不同。态度型理由可导向不战,结构型不能。目的型理由为战争提供一个待达成的正当结果,因而在结构上允许为该结果而扩大战争。规范型理由依赖一个能判定「义」的位置。

而墨者守城对定理一第二面构成一次真实检验,本篇给出判定。墨家并构成对卷六一条全称命题的反例,并促成其重写。

一、重叠有多厚,以及它不是什么

《老子》三十一章:兵者不祥之器,非君子之器,不得已而用之,恬淡为上。三十章同向:以道佐人主者,不以兵强天下,其事好还。《司马法·仁本》:是故杀人安人,杀之可也;攻其国,爱其民,攻之可也;以战止战,虽战可也。《墨子·非攻下》面对「禹征有苗,汤伐桀,武王伐纣,此皆立为圣王」的诘难:子未察吾言之类,未明其故者也,彼非所谓攻,谓诛也。而 SAE 定理一:不得不——涵育载体失守,温和形态下的涵育已不可能继续。

四家都拒绝把战争当作普通的政策选项,而分别以态度,目的,规范与结构建立许可条件。这个重叠是真的,而它比看上去窄。四家共有的是:都不接受「有利即可开战」;都要求在开战之前有一道额外的关口;都把这道关口置于各自体系的高位——《老子》放在论兵的两章里,《司马法》放在开篇第一段,墨子用整整三篇论证它,SAE 放在定理一。

四家不共有的是那道关口的性质。把四家的关口一律读作「其他路都走不通」这一前置条件,该读法不成立。老子:不得已而用之——确是最后手段条件。SAE:涵育载体失守,温和形态已不可能继续——确是最后手段条件。《司马法》:杀人安人则杀之可也,以战止战则虽战可也——这是正当化条件,它不问别的路走没走完,它问这场战争服务于什么;一场服务于止战的战争,即使还有别的路,按这条理由也是被许可的。《墨子》:彼非所谓攻,谓诛也——这是资格条件,它不问别的路走没走完,它问这次兴兵属于哪一类;「诛」不需要先证明诛之外的路已经走尽。

所以四家里只有老子与 SAE 明确持有最后手段条件。而这个四分正是防止上述误读的装置:它先说四条不同类,再逐条查各自划出什么范围。若一开始就把四条压成一个共同点,后面每一节都会在替一个不存在的共同点补理由。

理由的类型那道关口问什么
老子态度型兵为不祥之器,不得已而用之——最后手段条件
司马法目的型这场战争服务于什么——正当化条件
墨子规范型这次兴兵属于哪一类,攻还是诛——资格条件
SAE结构型涵育载体是否失守,温和形态是否已不可能——最后手段条件

二、态度型:老子,与一个出口

老子的「不得已」挂在一个关于兵本身的判断上:兵是不祥之器。「夫佳兵者,不祥之器,物或恶之,故有道者不处。」论证的形式是:这件东西本身有一种不好的性质,凡物都厌恶它,所以有道之人不与它相处;既然如此,用它就只能是被逼到没有别的办法。这是关于对象性质的判断,其后果是一种态度——恬淡为上,胜而不美,战胜以丧礼处之。

态度型理由可导向不战,结构型理由不能。老子那条留了一个出口,而且他自己走向那个出口:既然兵不祥,那么最好的选择是根本不用。三十章「不以兵强天下」,三十一章「有道者不处」,方向都是往那边去的。

SAE 的「不得不」关掉了这个出口:结构条件一旦满足,不战不是一个可选项——它只是把代价转移出去,而转移到的通常是最无力承受的那一部分人。这个差不是程度上的。老子那条判准允许一个人说「这件事我不参与」,并且为这个选择提供了完整的理由;SAE 那条不允许,因为它问的不是「我要不要参与」,是「这个局面是不是已经没有别的形态」。

而老子有一项 SAE 缺的。三十章:「以道佐人主者,不以兵强天下,其事好还。」这是一条关于反噬的判断,而它出现的位置值得注意:它在开战判断里,不在手段判断里。SAE 关于反噬的处理集中在手段层——§12 论诡如何压制己方主体性,卷三并置的四条反噬机制也全部作用在手段上;定理一里没有这一项,它问的是「是否不得不」,不问「这件事会怎样返回到我们自己身上」。这一项可以接入,而接入方式有一个难处:如果把「会不会反弹」加入定理一,那么定理一就获得了一个后果计算的成分,而那正是下文要与之划清界限的东西。接入的方式须另议,本篇不作答。

「胜而不美」是第二处重叠,理由仍不同。「胜而不美,而美之者,是乐杀人……杀人之众,以悲哀泣之,战胜以丧礼处之。」战争论 §8 同意这个结论:不打输不是打赢。老子的理由:兵为不祥,所以它的成功也不是好事。SAE 的理由:军事胜负是一个维度,原理合格是另一个维度,打赢不构成原理上的正当。覆盖差:按老子那条,任何战争的胜利都不值得称美,因为兵本身不祥;按 SAE 那条,一场原理合格的防守之战,它的完成不是不能被承认的——不能被承认的是「胜利本身构成正当性」这个推论。所以两条挡的东西不同:老子挡的是对战争的美化,SAE 挡的是用胜负来结算原理;前者更宽,后者更专。

三、目的型:《司马法》

「是故杀人安人,杀之可也;攻其国,爱其民,攻之可也;以战止战,虽战可也。」三句一个结构:行为本身——杀,攻,战——不正当,但如果它服务于一个正当的结果——安人,爱民,止战——则被许可。这就把战争放进了一条手段链里:有一个待达成的目的,战争是可用的手段之一,因此在这个范围内它被允许。

目的型理由为战争提供一个待达成的正当结果,因而在结构上允许为该结果而扩大战争。论证:如果战争的许可来自它所服务的结果,那么在该结果尚未达成之前,这场战争就还没有完成它的正当性;「为了止战而继续战」在这条理由内部是自洽的,它不是对这条理由的滥用。而这不是从外面压给文本的推论——《司马法》自己把它写了出来。

四、《司马法》自己给出的延伸

同章,惩罚有罪之后的处置:「入罪人之地,无暴神祇,无行田猎,无毁土功,无燔墙屋,无伐林木,无取六畜,禾黍,器械。见其老幼,奉归勿伤;虽遇壮者,不校勿敌;敌若伤之,医药归之。」这份条款是真的,而且比同期多数传统更细。不该被略过。不毁神祠,不打猎,不毁水利土工,不烧房屋,不伐林木,不取六畜粮食器具;见老幼送回不伤,遇壮者不抵抗则不视为敌,受伤者给药送还。

但接下来的一句是另一回事:「既诛有罪,王及诸侯修正其国,举贤立明,正复厥职。」《司马法·仁本》把正当的惩罚性战争与战后的政治整顿放在同一套规范建筑里。这是文本事实:一章之内,一条规范序列——先是入境后的行为禁则,紧接着是既诛有罪之后由王与诸侯整顿其国。两者在文本中相邻。

下一步是本篇自己的诠释,并标明为诠释。如果战争的许可来自「止战」这个结果,那么保住该结果就属于这场战争;而一个刚被惩罚过的国家,若内部秩序不重建,会生出新的乱源——所以按这条理由,重建是被蕴含的。该推论文本未曾断言。《司马法》没有说过「因为目的是止战,所以政治整顿是必要的」,它只是把两者放在一起。本篇认为这个并置有结构上的理由,而这个「认为」是诠释,不是引用。另有一条文本状况的说明:今存五篇是一部更大的古书的残余,主要成形于战国齐地的学术环境而保留着更早的军礼层,所以不应从两条主张同处一章推出关于作者逻辑的强主张。

但即使只取文本事实这一层,与 SAE 的对照也成立。§18 禁止的正是「修正其国,举贤立明」这个动作,而《司马法》把它写进了正义战争的规范序列。两套规范系统在同一个位置上给出相反的条款——这一点不依赖任何诠释。

五、定理三站在哪里,与一处跨传统对应

定理三要求战争朝向结束。但「结束」不等于「达成一个正当结果」。结束的内容是:支配被打断,对方自我组织的可能性被恢复;它不包含把结果做出来。一个支配已被打断,而对方随后陷入失序的局面,按定理三是结束了,按《司马法》是没有完成。

这个差可以说得很准。《司马法》的终点在事态里——那个国家现在安不安定;SAE 的终点在关系里——支配是否被打断,对方是否恢复了自己决定自己的位置。事态可以由胜方做出来,关系不能。

还有一处跨传统的对应。康德《法权论》§60(1797)允许迫使一个「不义之敌」采用一部按其性质不利于战争的宪法——同一个动作。而两边的理由完全不同:康德的走的是法权(那个国家的宪政性质是可从外部辨识的属性),《司马法》的走的是止战(结果必须被保住)。两条完全不同的路落在同一个位置上,说明这不是某一个传统的偏差,而是「为战争设定一个正当目标」这种做法的共同出口——一旦正当性来自一个待达成的结果,保住结果就属于这场战争,而保住它最直接的办法就是替对方把秩序建起来。(康德那一条在本系列卷一有完整处理。)

六、规范型:《墨子》,与那个判定位置

《非攻上》的论证是一个类推。入人园圃窃其桃李,众闻则非之;杀不辜人,扡其衣裘,取戈剑,比入人栏厩取人马牛更不义,「以其亏人愈多」。这些事,天下之君子皆知而非之。「今至大为不义攻国,则弗知非,从而誉之,谓之义。此可谓知义与不义之别乎?」结构很清楚:不义随亏人之多而增——而这是逻辑上的不一贯,不是价值上的分歧。墨子把它推到极处:杀一人谓之不义,必有一死罪矣,杀百人百重不义,必有百死罪矣;而攻国杀人以万计却被称为义——「少见黑曰黑,多见黑曰白」,这不是价值不同,是黑白分不清。

但在《非攻下》,面对诘难,墨子引入了一个区分:「彼非所谓攻,谓诛也。」这个区分干净,而它把全部重量压在一件事上:由谁来判定这是攻还是诛。墨子的判准是「兴天下之利,除天下之害」——一个实质性标准,需要有人来认定。而他为三位圣王所举的实例,援引的都是天命:有苗大乱,天命殛之;夏德大乱,天乃命汤。在他的设定里,判定者是天,而天意通过异象显示——日妖宵出,雨血三朝,龙生于庙,赤鸟衔珪。

规范型理由依赖一个能判定「义」的位置。这与正义战争论同型——那套框架同样需要一个判定「谁是正义方」的位置,而在国家之间不存在各方都承认的判定者。该结构在卷五有完整处理,此处只记两点。第一,SAE 不设立那个位置。定理一不问这场战争是攻还是诛,它问的是可从外部核验的结构条件。

第二,墨子有而 SAE 没有的那一项,必须承认。《非攻上》的类推论证不依赖天命——它是纯一贯性论证,任何承认「亏人愈多则愈不义」的人都必须接受它的结论。它的效力独立于那个判定位置,而且它正面对付的恰是 SAE 最难对付的那一类对手:用「我方是义」为侵略辩护的人。墨子的办法不是跟他争「义」,而是指出他的尺子在小事和大事上不一样。这一项 SAE 可以用,而 SAE 目前没有同等力度的形式。

七、「不得已」与「不得不」

「不得已」是关于当事人处境的状态判断;「不得不」要求可从外部核验的结构条件。四家里老子离得最近,因为「不得已」在结构上确实指向「没有别的路」,不是指向「不情愿」。但重心不同。「不得已」的重心在当事人身上——他被逼到这一步,他没有别的选择,他做了而不以为乐;老子的「恬淡为上」「胜而不美」说的正是这个。「不得不」的重心在局面上——那些形态还在不在,与当事人想不想,觉不觉得,无关。

于是,「不得已」可以被真诚地弄错,「不得不」不能。一个人可以真诚地觉得自己没有别的办法:恐惧,屈辱,错误情报,信息不全,都能产生这种感觉,而且产生得毫无虚伪成分。老子那条判准对此没有防线,因为它本来就不是关于局面结构的。而在这件事上,真诚地弄错与不真诚,后果一样致命。这就是 SAE 把判准放在结构上而不放在态度上的实际理由——不是结构比态度高级,而是感受不能被复核,而战争的代价不由感受承担。

有一项代价须立刻承认。结构条件能不能被核验,本身是个问题:「温和形态下的涵育是否还能继续」不能像「我方伤亡」那样被点数。所以上面那个差是原则上的差——态度型判准在原则上就不可核验,结构型判准在原则上可核验而在实践中不总是。这个差是真的,而它比看上去小。

八、墨者守城:材料

墨者不只反对攻战,他们组织武装队伍去帮别的国家守城。这是先秦中国唯一能拿来检验定理一第二面的材料。《公输》:公输盘为楚造云梯之械,将以攻宋;墨子起于齐,行十日十夜而至于郢,先说服公输盘,再说服楚王。楚王认了理:「善哉。虽然,公输盘为我为云梯,必取宋。」说理没有止住这场战争。

接着是那场推演:墨子解带为城,以牒为械;公输盘九设攻城之机变,墨子九距之——公输盘之攻械尽,墨子之守圉有余。公输盘说他知道怎么胜墨子,但不说;墨子说他也知道,也不说。楚王问其故,墨子答:「公输子之意,不过欲杀臣。杀臣,宋莫能守,乃可攻也。然臣之弟子禽滑厘等三百人,已持臣守圉之器,在宋城上而待楚寇矣。虽杀臣,不能绝也。」

《备城门》开篇,禽滑厘问小国如何守,墨子的回答不是器械:「我城池修,守器具,樵粟足,上下相亲,又得四邻诸侯之救,此所以持也。且守者虽善,而君不用之,则犹不能守也……故曰:守者必善,而君尊用之,然后可以守也。」第二段列了守城的十四条,而它的结论很强:十四者无一焉,则虽善者不能守。

九、与 §11 同型,与「君尊用之」

《备城门》以内部主体状态为守城的必要条件,与战争论 §11 同型。十四条里,城厚,池深,楼撕,守备,樵粟,地形是物质条件;而「吏民和」,「主信以义,万民乐之无穷」,「父母坟墓在焉」,「畜积索怨于民,有大功于上」,「赏明可信而罚严足畏」,则是共同体内部的条件。这是「深化涵育即国力」的战国形态——一个共同体能不能守住自己,取决于它内部的状态,不取决于它雇到多好的技术人员。

而「守者必善,而君尊用之,然后可以守」对应定理一第二面的「起身真实」闸。这句话的力量在它的否定式:守者再好,君不用他,城还是守不住。墨子不是在讲礼数,他在陈述一个操作事实——被守的一方自己得要守。而《公输》里记的做法与此相合:墨子先去劝阻攻方,同时派弟子去协助宋守,不是去接管。全篇没有一处要求宋交出指挥权,也没有一处在宋建立什么。

十、自身利害闸:本篇的判定

定理一第二面的四道闸里,最难的一道是「介入方应有自身利害」——这道闸的存在是为了阻止替别人决定他们该不该抵抗。墨者的自身利害是什么?他们不是宋人。《公输》末尾补了一个细节:「子墨子归,过宋,天雨,庇其闾中,守闾者不内也。」他救下的那个国家不认识他,下雨也不让他进门。这个细节排除了任何报偿动机。

墨者守城满足这道闸,而他们的利害在共同体存续这个层面上,不在利益层面上。墨家是一个有确定学说,确定组织,确定生活方式的共同体;而这个共同体的延续需要一个条件——存在若干独立的小国,其中一些的君主愿意听,并且愿意用他们。在一个被兼并到底的世界里,这个条件消失。墨子自己在《非攻中》算过这笔账:古者封国于天下,以攻伐并兼而亡者不可胜数;东方有莒之国,处于齐越之间,狭小而终亡。在一个小国被吞光的世界里,墨家无处可去。所以止攻不是利他,是守自己的载体——只是那个载体不是财产或领土,而是「还有小国存在,还有人愿意听一套学说」的那个世界。

这个判定的后果是,这道闸的含义比原先设想的宽:它不要求介入方有物质上的得失,只要求介入方的涵育载体确实依赖于这次介入的结果。相反的可能须写明。若读得更严——要求介入方与被介入方之间有直接可辨识的共同利益——墨者不满足,而定理一将判定先秦中国最接近 15DD 的那个实践不合格。本篇采宽读,理由是严读会排除掉一切跨共同体援助,而那不是这道闸要防的东西。它要防的是替别人决定他们该不该抵抗——而墨者恰恰把那个决定留给了对方。

十一、《公输》的止战不是伐谋

孙子的「伐谋」是攻掉对方的计划,使它立不住。《公输》里楚王的计划没有被攻掉:他认了理,仍然说「必取宋」。改变结局的是两件事——推演的结果,九攻九距;以及三百人已经带着守具在宋城上。这是让进攻在成本上失败,不是让计划失败。

而它的前提是防守已经就位。若禽滑厘的三百人不在宋城上,说理和沙盘都止不住楚王——墨子自己在文本里说得很直白:杀臣,宋莫能守,乃可攻也。这是 §10「不打也在准备」的一个历史标本,而这个标本给出了更具体的形式:准备是伐谋起作用的一部分,不是伐谋失败之后的下一步。孙子的四级序列——伐谋,伐交,伐兵,攻城——隐含一个时间次序;而在《公输》里,准备与说服同时进行,并且准备是说服能起作用的条件。

这一点直接影响定理一的门槛判定。如果准备是伐谋起作用的条件,那么「伐谋已尽」就不能理解为「在没有准备的情况下把能说的话说完」。而这是一条更一般的依赖关系的具体实例:判定那个门槛是否满足,需要知道伐谋与伐交包含哪些选项,各在什么条件下起作用——那是执行层知识,而 SAE 明确不做执行层。一个原理层可以声明自己不做执行层,不能声明自己不依赖执行层。完整处理在卷六。

十二、墨家作为反例,与那次重写

这一节所检验的命题来自卷六,此处完整引出,因为本节的一切都依赖于它。原始形式,全称:对敌面的约束可以由互惠均衡生成——不伐丧,不因凶,不鼓不成列,这类规则能够产生并维持,是因为对方也遵守,而违反者下一次会遭到同样的对待。而己方面没有对手方来执行。谁来兑现士兵被告知的资格?谁让违反的指挥官付出代价?在赏罚生死全部出自指挥官的单向结构里,没有机制能稳定这类约束——因此这类约束缺乏生成条件。那条命题当时就把墨家标为可能的反例,理由是:墨者是跨国组织,其内部纪律不由任何国家的军法执行。

墨家构成对该命题原始全称形式的反例,并促成其适用域与机制表的重写。说「墨家不是反例,只是补充」不成立:如果原命题是全称的——己方面无生成机制——那么一个在己方面存在非互惠约束的样本就是反例。《鲁问》记载:墨子使弟子胜绰事项子牛,项子牛三侵鲁地,而胜绰三从。墨子闻之,使高孙子请而退之——他把自己的学生召回了。理由:「言义而弗行,是犯明也。绰非弗之知也,禄胜义也。」这是对己方成员的纪律,而它的支撑不是互惠:胜绰惩罚不了墨子,墨子也不必怕胜绰报复。

但它的支撑也不是「人是目的」——这个区分是本节最容易读错的地方。稳定墨家纪律的是一整束制度条件,不是一条规范自身的地位:被承认为共同体构成性的规则(不守就不是墨者);内部权威与复核机制(巨子);违反有真实后果(召回,逐出);退出是真实而非名义上的可能(自愿加入,可以离开);申诉与再解释的通道(墨辩传统)。这一束的性质须写明:这五条是从单一样本归纳出的候选条件,未经必要性或充分性检验,而且「墨家五条俱全」本身也说得过头了——巨子与逐出有文本支持,「构成性规则」由「言义而弗行,是犯明也」支持,而申诉通道来自对墨辩传统的一般印象,本篇没有具体出处。

而有一个区分必须贯彻到底:一条规范为什么成立,与一条规范如何在组织内被稳定执行,是两件事。「人是目的」不因制度不足而失效——在一个没有巨子的共同体里,把人仅仅当作手段仍然不正当。而巨子这个职位能稳定纪律,并不说明那套纪律是正当的。所以本节给出的是关于制度稳定性的假说,不是关于规范来源的判断。

重写后的形式:对敌面的自限可以由互惠稳定;己方面的自限不能依赖对方报复,须由内部的权利,程序,成员结构或制度性复核另行稳定。互惠不是约束生成的唯一机制。这个形式有真实的适用边界:墨者可以离开墨家,士兵不能离开军队。五条在征召制军队里全部落空——成员资格非自愿,退出的代价是死,没有内部复核,没有申诉通道。所以修正之后,征召制军队仍然落在「生成条件缺失」那一侧。而原命题所附的推论不受影响:挂在互惠上的约束只在互惠成立的那一面有效,挂在「人是目的」上的判准则不要求对方有报复能力才生效。这就是把判准放在地基上而不放在习俗上的实际理由——互惠消失的地方,习俗随之消失,而己方面本来就没有互惠可言。

十三、本篇未解决的

老子的「其事好还」是一条位于开战判断中的反噬机制,而定理一没有对应项——SAE 的反噬机制全部位于手段层。是否接入未定,难处在于:接入会给定理一加上一个后果计算的成分,而「不得已/不得不」之分的存在正是为了让定理一与之划清界限。

自身利害闸的宽读,其边界未定:什么算「依赖于」?一个仅仅在观念上关心另一方命运的共同体算不算满足?本篇不作答。而「准备是伐谋起作用的条件」把定理一的门槛判定深化为对执行层知识的依赖,该问题在卷六处理。

最后:《非攻上》的一贯性论证——少见黑曰黑,多见黑曰白——比 SAE 目前任何形式都更直接地对付「以义为侵略辩护」这一类对手。SAE 是否应当采用同型论证,尚未考虑。

十四、关于篇名

本卷与本系列其余各卷一样,把修正记录留在正文里:撤回的命题,收窄的主张,降格的结论,都标在它们发生的位置,不作静默修补。留着是有理由的——一个要求「不得不」必须被质疑的框架,自身应当第一个被质疑;而一个从未显出错过痕迹的文本,不给读者任何判断其结论如何得出的办法。

在本卷,这一点落在篇名上。如果叫「四种走投无路」,那就预设了四家共有最后手段条件——而第一节表明它们并不共有。一篇文章叫什么,要对它能立住的东西负责。

Academic original: Qin, Han (2026). Four Permissions (SAE War Theory · Interface Series, Volume 04). self-as-an-end.net ↗ · DOI: 10.5281/zenodo.22285486

学术原文:Qin, Han (2026). Four Permissions 四种许可(SAE 战争论 · 兵法接口系列 卷04)。self-as-an-end.net ↗ · DOI: 10.5281/zenodo.22285486