A Three-Layer Analysis (TLA) of Livy, History of Rome, Book 3
1. Question
What makes law function?
This question does not treat law merely as written text.
It asks how law operates inside a governing OS.
Law does not function simply because it is written.
For law to function, at least the following conditions must be connected:
- the law is public
- the execution environment understands its content
- the law applies not only to citizens but also to magistrates
- citizens can appeal against unjust decisions
- institutions exist to represent weaker individuals
- the operators of the law are monitored
- violations can actually be enforced against
- the law is operated with Moral Discipline MD
- the execution environment gives Trust T to the system
- the law can be updated when society changes
In Livy’s Book 3, Rome demanded written law, investigated foreign law, established the Decemvirate, and prepared, published, and approved the draft of the Ten Tables.
This process was an attempt to convert custom and magisterial discretion into public law.
However, under the second Decemvirate, the institution that created law suspended appeal, remained in power after its term, and privatized justice.
This shows that the essence of law is not writing.
The essence of law is an operating structure that can control power, correct errors, and maintain the trust of the community.
This study examines that structure through TLA, or Three Layer Analysis: Fact, Order, and Insight. It also uses OS Organizational Design Theory.
2. Abstract
Law does not function through legal text alone.
Law functions only when public legal text, understanding by the execution environment, equal application, control of operators, appeal, representation, monitoring, enforcement, Moral Discipline MD, and Trust T are connected.
In Livy’s Book 3, Rome sought written law, investigated foreign law, established the Decemvirate, and moved toward the publication and approval of the draft Ten Tables.
This was a process of converting government based on custom and magisterial discretion into Institutional Control, or IC, that the community could consult.
However, under the second Decemvirate, the lawmaking institution itself suspended appeal and monopolized administrative, judicial, military, and commanding authority without the tribunes.
As a result, even though law and trial existed in form, they could not stop the private desire of Appius Claudius in the Verginia incident.
This case shows that the difference between rule of law and despotism is not the mere existence of law.
The real difference is whether law operates as Effective IC through correction circuits.
The conclusion of this study is as follows:
Law is not merely a written rule. Law is an institutional package that applies to all members, including those in power, can be understood and used by the execution environment, can correct institutional errors, and can accumulate trust.
3. Research Method
This study uses TLA, or Three Layer Analysis.
TLA divides historical material into three layers.
The first layer is Fact. It organizes the demand for written law, the investigation of foreign law, the Decemvirate, the draft of the Ten Tables, the Verginia incident, and the restoration of appeal and tribunician power.
The second layer is Order. It extracts the structures behind the facts, including publicity of law, understandability, equality of application, appeal, representation, monitoring, Trust T, Moral Discipline MD, and institutional updating.
The third layer is Insight. It derives essential lessons that can also be applied to modern states and organizations.
This study also uses OS Organizational Design Theory R1.31.04.00.
The main concepts used in this study are as follows.
IC: Institutional Control
IC includes written laws, institutions, rules, and penalties.
IC makes visible what is permitted, what is prohibited, and who holds which authority.
Effective IC
Effective IC is not merely an institution that exists.
It is an institution that the execution environment understands, can consult, and can use in practice.
NIC: Non Institutional Control
NIC includes custom, reputation, precedent, and social norms that are not formally written.
NIC can function flexibly, but its standards and interpretive authority may be difficult to see.
Right of Appeal
The right of appeal is a correction interface that prevents the judgment of a magistrate from becoming final.
Tribunician Power
Tribunician power is a representative interface that corrects the power gap between individual plebeians and public authority.
It converts the claims of plebeians into institutional output.
T: Trust
T is the degree to which the execution environment accepts the governing OS, institutions, magistrates, and legal operation as legitimate.
MD: Moral Discipline
MD is the degree to which magistrates and citizens value public good, freedom, fairness, and responsibility to the community over private interest.
4. Layer 1: Fact
Livy’s Book 3 describes how Rome needed law and then experienced that law alone did not function.
In Section 9, the tribune Terentilius attempted to limit consular authority by law.
This was a movement to make magisterial discretion visible and restrict it through law.
In the early Roman Republic, much of law and public authority depended on custom, precedent, patrician legal knowledge, and magisterial discretion. Plebeians could not easily know in advance which standards would be applied to them.
In Section 31, a delegation was sent to investigate Greek law, including the laws of Solon.
In Section 32, the delegation returned with legal materials, and the drafting of law was demanded.
In Section 33, the Decemvirate was established to create written law.
In Section 34, the Decemvirate prepared a draft of ten tables. The draft was displayed to citizens, citizen comments were reflected, and the proposal moved toward approval by the assembly.
At this stage, law began to function as public IC.
However, from Section 35 onward, the personal OS of Appius Claudius entered the lawmaking institution.
In Section 36, the second Decemvirate became a strong power structure without appeal.
In Section 38, the Decemvirs remained in power after the end of their term, and the termination condition of the institution was lost.
In Sections 40 and 41, although opposition existed inside the Senate, Appius weakened the monitoring circuit through intimidation.
In Section 42, soldiers lost morale because of their hostility toward the Decemvirs. Trust T in the governing OS had declined.
In Section 43, the Decemvirs removed opponents in the army and damaged IA, H, NIC, and MD inside the legions.
In Sections 44 to 49, the Verginia incident occurred. The form of law and trial existed, but justice without appeal or protection followed the private desire of Appius.
In Sections 50 to 52, the army and plebeians resisted and withdrew to the Sacred Mount. When the legal system failed to function, the execution environment withdrew from the governing OS.
In Section 53, the plebeians demanded the tribuneship, the right of appeal, and immunity for those who had withdrawn.
In Section 54, the Decemvirs resigned and tribunes were elected.
In Section 55, appeal, the inviolability of the tribunes, and the binding force of plebeian resolutions were strengthened.
In Section 59, the tribune Duilius restrained further retaliation. This shows that legal operation also requires MD and self restraint.
5. Layer 2: Order
Law does not function merely as written text.
For law to function, publicity, understanding, application, correction, trust, MD, and update capacity must be connected.
Law must be public
The first condition for law to function is publicity.
If law remains hidden knowledge, citizens cannot use it.
Only when law is public can citizens:
- know their rights and duties
- check the decisions of magistrates
- identify unjust treatment
- obtain a basis for objection
- consult a common standard of the community
The publication of the draft Ten Tables in Section 34 was a process of converting NIC into public IC.
The first function of law is therefore to make governing standards visible.
Law must be understood
Even if law is public, it does not become Effective IC unless citizens can understand it.
For law to become Effective IC, the following conditions are necessary:
- citizens can understand its content
- citizens can connect it with daily life and trials
- citizens can compare it with the actions of magistrates
- citizens know where to appeal
- citizens can judge what counts as violation of law
If law remains knowledge only for specialists, it is not Effective IC for citizens.
It is only written authority.
Law must apply also to magistrates
For law to function, it must apply not only to citizens but also to magistrates.
If law binds citizens but does not bind magistrates, it is not rule of law.
It is a tool of domination.
This was the problem of the second Decemvirate.
The Decemvirs created law, but they themselves held authority that could not be appealed.
In that condition, law was directed toward citizens, but it did not control the Decemvirs.
Law therefore became not a device for controlling power, but a form of power’s output.
Law is not enough when it is applied only from above to below.
Law becomes a stabilizing device of the governing OS only when it also binds those in power.
Law must connect with correction circuits
Even when law exists, it does not function if there is no route for stopping mistaken judgment or abuse.
The central correction circuits are the right of appeal and tribunician power.
In Section 36, the second Decemvirate became a pseudo royal authority without appeal and without the tribunes.
Under this condition, the Verginia incident occurred.
The court and legal procedure had not disappeared.
Their form existed.
But correction circuits did not exist.
A law that cannot stop unjust judgment cannot protect the victim.
Law must therefore connect with correction circuits such as:
- right of appeal
- tribunician power
- assemblies
- senatorial monitoring
- checks through multiple public offices
- term limits
- legal revision
- responsibility of magistrates
The strengthening of appeal, tribunician inviolability, and plebeian resolutions in Section 55 was the redesign of freedom protection circuits that turned law into Effective IC.
Law must connect with Trust T
Even when law exists, commands are not executed if the execution environment does not trust the governing OS.
In Section 42, soldiers lost morale because of their hostility toward the Decemvirs.
This was not a lack of ability.
It was a decline in Trust T and willingness to cooperate.
In Section 43, the Decemvirs removed opponents in the army and damaged IA, H, NIC, and MD inside the legions.
Under such conditions, the governing OS cannot move the execution environment even if law exists.
For law to function, the following forms of trust are necessary:
- citizens trust that law is fair
- citizens trust that magistrates obey the law
- citizens trust that objection will not lead to retaliation
- citizens trust that trials will not be privatized
- citizens trust that law protects their freedom
Trust T is not produced merely by the existence of law.
It is accumulated through fair operation.
Law must connect with MD
Law is IC that controls behavior from outside.
However, if the MD of those who operate law collapses, law can easily be privatized.
In the Verginia incident, justice followed private desire, and IC failed to protect freedom.
Law cannot replace MD.
Law can support MD, make it visible, and punish violations.
However, law does not function correctly if those who handle it lack public purpose, fairness, and self restraint.
For law to function, at least the following forms of MD are necessary:
- magistrates restrain private desire
- judges prioritize truth and law
- representatives seek restoration of order rather than revenge
- citizens do not use law for private revenge
- the whole community protects freedom and fairness as shared values
In Section 59, the tribune Duilius restrained further retaliation.
This shows that legal operation requires not only law but also MD among those who use it.
Law must connect with institutional updating
Law organizes problems recognized at the time of its creation.
However, society changes.
For law to continue functioning, legal revision, interpretation, supplementary institutions, and updating of representation are necessary.
Written law is not a final completed OS.
Law functions by being updated continuously.
When law becomes fixed and cannot respond to social change, it ceases to be a stabilizing device and becomes a cause of new conflict.
6. Layer 3: Insight
Law does not function through text alone.
Law functions through the connection of institutions, people, trust, and correction circuits that convert text into Effective IC.
Functional model of law
The function of law can be expressed as follows:
Function of Law
＝ Public Access to Law
× Understandability
× Equality of Application
× Effective IC
× Possibility of Appeal
× Representative Institutions
× Monitoring and Division of Authority
× Moral Discipline MD of Operators
× Trust T of the Execution Environment
× Update Capacity
The important point is that when any one element approaches zero, the function of law declines as a whole.
If law is public but appeal is impossible, law is weak.
If appeal exists but representatives are not protected, law is weak.
If institutions exist but operators lack MD, law is weak.
If MD exists but Trust T is not accumulated, law is weak.
If trust exists but law cannot be updated, the system becomes rigid.
Structure of legal dysfunction
The dysfunction of law can be expressed as follows:
Dysfunction of Law
＝ Formal IC
× Unequal Access to Legal Information
× Monopoly of Authority by Operators
× Inability to Appeal
× Suspension of Representation
× Failure of Monitoring
× Decline of MD
× Decline of Trust T
× Inability to Update
The second Decemvirate is the central example.
Codification was progressing.
However, the institution operating the law became impossible to correct.
Law therefore connected not to stable government, but to despotism.
Difference between formal law and functioning law
| Item | Formal Law | Functioning Law |
|---|---|---|
| Text | Written | Public and understood |
| Application | Applied to citizens | Applied also to magistrates |
| Trial | Exists in form | Can correct unjust judgment |
| Appeal | Suspended or absent | Actually usable |
| Representation | Weak or suspended | Protected through institutions such as the tribuneship |
| Monitoring | Does not reach operators | Controls operators themselves |
| MD | Treated as unnecessary | Becomes a condition of fair operation |
| Trust T | Declines | Increases through fair operation |
| Output | Justifies the decision of power | Protects public purpose and freedom |
Law functions only when it moves from the left side to the right side.
Causal Chain
The causal chain of this case can be expressed as follows:
Distrust of Custom and Discretion
→ Demand for Written Law
→ Investigation of Foreign Law
→ Establishment of the Decemvirate
→ Drafting Publication and Approval of the Ten Tables
→ Formal Establishment of Law
→ Monopoly of Authority by the Second Decemvirate
→ Suspension of Appeal Absence of Tribunes and Remaining in Power after Term
→ Loss of Control over the Operators of Law
→ Verginia Incident
→ Exposure of the Inability of Law to Stop Private Desire
→ Withdrawal of Army and Plebeians
→ Fall of the Decemvirate
→ Strengthening of Appeal Tribunician Power and Plebeian Resolutions
→ Reconnection of Law with Effective IC
This chain shows that even when law is established, it may not yet be functioning.
Law functions only after it is connected with correction circuits, control of operators, accumulation of trust, and institutional updating.
Final Insight
The final insight is as follows:
Law does not function through legal text alone. Law functions when it is public, understood by citizens, applied also to magistrates, open to appeal against unjust decisions, supported by representative institutions for weaker individuals, monitored in its operation, handled with MD, and trusted by the execution environment. Livy’s Book 3 shows that even when legal text exists, law becomes not a protection of freedom but a form of despotic output if the power operating law becomes impossible to correct. What makes law function is not the text itself, but the connection of institutions, human operators, trust, and correction circuits that convert the text into Effective IC.
7. Implications for the Modern World
This analysis can be applied to modern companies, public institutions, schools, and nonprofit organizations.
An organization may have:
- regulations
- rules
- compliance systems
- consultation desks
- evaluation systems
- internal reporting systems
But this does not automatically mean that the system is functioning.
The real questions are:
- who understands the rule
- who can use it
- whether it applies to those in power
- whether objection is possible
- whether representatives and consultation desks are independent
- whether the operators themselves are monitored
- whether people who use the system are protected from retaliation
- whether errors can be corrected
- whether Trust T is being accumulated
- whether operators have MD
- whether the system can be updated when the environment changes
For example, the following systems are close to formal law rather than functioning law:
- regulations exist, but the field does not know their content
- a consultation desk exists, but it is not independent
- an internal reporting system exists, but reporters face retaliation
- an evaluation system exists, but evaluators are not monitored
- a disciplinary system exists, but no appeal is possible
- an investigation system exists, but investigators and decision makers are the same
- a compliance system exists, but it does not apply to executives
Such systems are not Effective IC even if they exist.
They can become forms that justify the decisions of those in power.
For an institution to function, the following designs are necessary.
1. Make it public
The organization must clarify the content, scope, procedure, and decision standards of each rule.
2. Make it understandable
The system must be understandable and usable not only by specialists but also by the field.
3. Apply it to those in power
If the system applies only to subordinates and the field, it will not be trusted.
4. Allow objection
Evaluation, discipline, assignment, and investigation results must be open to review through a separate route.
5. Provide representation and protection
When an individual cannot overcome a power gap alone, representatives, third party consultation desks, ombudsmen, or independent auditors are necessary.
6. Monitor the operators
The people who create, interpret, judge, and punish must not become the same unchecked body.
7. Prohibit retaliation
If people who use the system suffer disadvantage, the system will not be used.
8. Build MD into operation
The system must be operated for public purpose and fairness, not for private revenge or factional interest.
9. Accumulate trust
Trust is created not by the existence of a system, but by a record of fair operation.
10. Make updating possible
When the environment changes and the system no longer works, there must be a route for revision.
In modern organizations as well, rule of law and institutional operation do not mean that rules exist.
They mean that the power operating the rules is also controlled by rules, that members can understand and use the system, and that institutional errors can be corrected.
8. Conclusion
Livy’s Book 3 is both a history of the establishment of law and an experiment in the conditions under which law functions.
Rome needed law.
Custom and patrician discretion alone did not allow plebeians to share governing standards.
Rome therefore investigated foreign law, established the Decemvirate, and drafted, published, and approved the Ten Tables.
Up to this point, law was being established as IC.
However, under the second Decemvirate, the institution that created law placed itself above the law.
Appeal was suspended.
The tribuneship was absent.
The Decemvirs remained in power after the end of their term.
Justice followed the private desire of Appius.
This revealed that the essence of law is not writing.
The essence of law is the ability to control power.
If law binds citizens but does not bind magistrates, it is not rule of law.
If law provides the form of trial but cannot stop unjust judgment, it is not protection of freedom.
If law is public but those who use the system suffer retaliation, it is not Effective IC.
If law exists but the execution environment does not trust it, the state OS cannot operate.
Rome experienced that codification alone was not enough.
After the fall of the Decemvirate, Rome strengthened appeal, the inviolability of the tribunes, and the binding force of plebeian resolutions.
Rome did not abandon law.
It reconnected law with correction circuits.
The essence of rule of law shown by Book 3 is therefore as follows:
Law is not enough as written text.
It must be public, understood, applied also to magistrates, open to appeal, supported by representative institutions, monitored in its operation, handled with MD, trusted through actual practice, and capable of being updated.
The conclusion of this study is clear:
Law is not a written rule. Law is an institutional package that applies to all members, including those in power, can be understood and used by the execution environment, can correct institutional errors, and can accumulate trust. What makes law function is not the text itself, but the connection of institutions, human operators, trust, and correction circuits that convert the text into Effective IC.
9. Sources
Titus Livius, History of Rome from its Foundation, Book 3. Japanese translation: Iwaya Satoshi, Roma kenkoku irai no rekishi 2, Kyoto University Press, 2008.
OS Organizational Design Theory R1.31.04.00.