A Three-Layer Analysis (TLA) of Livy, History of Rome, Book 3
1. Question
Why did the introduction of written law fail to completely resolve the conflict between the patricians and the plebeians?
This question does not ask whether the Twelve Tables were a failure.
In the early Roman Republic, the content of law and the limits of magisterial authority were not fully written down.
Government depended on custom, precedent, patrician legal knowledge, and the discretion of magistrates. For the plebeians, it was therefore difficult to distinguish the law of the community from patrician interpretation and interest.
Written law reduced this lack of clarity.
It made the content of law public, defined some boundaries of public authority, and created common governing standards that citizens could consult.
However, writing down the law and applying it equally were not the same thing.
Even after written law was introduced, Rome still had the following structural problems:
- public offices and the Senate remained dominated by patricians
- social and economic inequality continued
- conflicts remained over land, debt, military service, public office, and honor
- those who interpreted and enforced the law were not socially neutral
- the patricians and plebeians used different Decision Criteria V
- mutual Trust T remained weak
- disputes over status and marriage continued
- Moral Discipline MD needed for fair administration remained insufficient
Written law could also formalize existing social divisions.
The prohibition of intermarriage between patricians and plebeians in the Twelve Tables was a clear example.
The central question is therefore not why written law was meaningless.
It is:
What problems did written law solve, and what problems did it leave unresolved?
This study examines that structure through TLA, or Three Layer Analysis: Fact, Order, and Insight. It also uses OS Organizational Design Theory.
2. Abstract
Written law failed to completely resolve the conflict between the patricians and the plebeians because it could make governing standards visible, but it could not automatically remove differences in interests, the unequal distribution of power, bias among institutional operators, division in Decision Criteria V, mutual distrust, or the lack of Moral Discipline MD.
Written law produced clear benefits.
It could:
- make legal rules public
- limit magisterial discretion to some degree
- make legal decisions more predictable
- weaken the patrician monopoly over legal knowledge
- direct disputes into common procedures
- create standards for appeal and legal revision
The first Decemvirate drafted laws, displayed them publicly, received citizen comments, and submitted them for approval by the assembly.
This was an attempt to convert order based mainly on Non Institutional Control, or NIC, into Institutional Control, or IC, that the whole community could consult.
However, written law did not automatically change the distribution of land, debt, public offices, marriage rights, political participation, or the burden of military service.
Written law could also become an instrument of class rule when those who drafted, interpreted, judged, and enforced it belonged mainly to one social order.
The despotism of the second Decemvirate showed this limit.
Law existed, but the right of appeal was suspended. Judicial and executive authority were concentrated in the same institution. Civic freedom was therefore not protected.
Written law was not the final answer that ended class conflict.
It was an institutional foundation for moving conflict away from violence, intimidation, customary interpretation, and arbitrary discretion and toward public law, appeal, representation, assemblies, and legal revision.
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 proposals, trials, class conflicts, the Decemvirate, the Twelve Tables, and the restoration of institutions protecting freedom recorded in Livy’s text.
The second layer is Order. It extracts the structures behind those facts, including authority, legal information, class interests, institutional operation, decision criteria, trust, and correction circuits.
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.
NIC: Non Institutional Control
NIC includes unwritten forms of control such as custom, precedent, reputation, and social norms.
NIC can maintain order flexibly. However, its standards and interpretive authority may be difficult to see.
IC: Institutional Control
IC regulates conduct through 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 in writing.
It is an institution that the execution environment understands, can consult, and can use in practice.
V: Decision Criteria
V determines what the state or organization regards as right and which values it seeks to protect.
T: Trust
T is the degree to which citizens and the execution environment accept the governing OS, magistrates, and institutions as legitimate.
MD: Moral Discipline
MD is the degree to which magistrates and citizens value public purpose, fairness, and responsibility to the community rather than only private or factional interests.
Correction Circuit
A correction circuit is a route that can stop or correct institutional errors. It includes appeal, the tribuneship, assemblies, monitoring, formal objection, and legal revision.
4. Layer 1: Fact
Livy’s Book 3 repeatedly describes conflict between the patricians and the plebeians before written law was established.
In Section 9, the tribune Terentilius proposed that consular authority should be defined by law.
The monarchy had already ended. However, from the plebeian point of view, the consuls still held authority close to royal power.
The plebeians were not demanding the abolition of public authority.
They wanted written rules stating what consuls could do, where their authority ended, and how citizens could object to its misuse.
From Section 10 onward, the proposal was repeatedly submitted. Conflict continued among the Senate, the tribunes, and the plebeians.
In Sections 11 to 13, violence, prosecution, and bail in the case of Caeso Quinctius became connected with the political conflict between the two social orders.
In Sections 19 to 21, conflict and compromise continued over military recruitment and the proposed law.
In Section 24, the trial of Volscius became connected with the vote on the proposal. Judicial procedure itself became part of factional bargaining.
In Section 30, an increase in the number of tribunes was exchanged for plebeian cooperation with military recruitment. Public offices and military participation were also used in political negotiation.
After this long deadlock, Rome investigated foreign law in Sections 31 and 32 and moved toward drafting a Roman legal code.
In Section 33, the Decemvirate was established to prepare written law.
In Section 34, the Decemvirs prepared a draft consisting of ten tables.
The draft was displayed to the citizens, revised after public comments, and approved by the assembly.
At this stage, written law began to function as a common governing standard that both patricians and plebeians could consult.
However, conditions changed under the second Decemvirate.
From Section 35 onward, the Decemvirs rejected appeal, remained in power after the end of their term, and concentrated administrative, judicial, and military authority.
In the Verginia incident described in Sections 44 to 48, Appius Claudius used a claim that a free born girl was a slave and attempted to convert his private desire into a judicial judgment.
Law and courts existed.
However, the right of appeal and the tribuneship had been suspended. The judge was also a party to the case.
The legal system therefore failed to protect civic freedom.
After the fall of the Decemvirs, the tribuneship was restored. In Sections 54 and 55, the right of appeal, the inviolability of the tribunes, and the binding force of plebeian resolutions were strengthened.
Around Section 65, the prohibition of intermarriage between patricians and plebeians emerged as another major issue.
Written law had been established, but conflicts over status, marriage, and access to public office continued.
5. Layer 2: Order
The introduction of written law did not remove the conflict structure between the patricians and plebeians.
It changed the method through which that conflict was processed.
Written law reduced the asymmetry of legal information
Before written law, legal knowledge and interpretive authority were concentrated mainly among patricians.
Plebeians found it difficult to know legal standards in advance or predict how magistrates would decide a case.
Written law reduced this information gap by making governing standards public.
Plebeians could read the rules, compare a magistrate’s judgment with the written text, and obtain a basis for objection.
However, greater access to legal information did not remove political and economic inequality.
Different class interests remained
The conflict between the two social orders was not only a conflict over legal knowledge.
Patricians and plebeians had different interests.
The main patrician interests included:
- priority of access to public office
- influence inside the Senate
- land, family status, and religious authority
- military command and public honor
- preservation of the established social order
The main plebeian interests included:
- protection of body and freedom
- relief from debt
- access to land and public office
- fair trials
- compensation for military burdens
- political representation
- relaxation of status boundaries
Writing down the law did not automatically change the distribution of land, debt, office, marriage rights, or honor.
Written law provided common rules for processing conflict.
It did not automatically remove the distributional and status differences that caused conflict.
Bias remained among those who created and operated the law
Even when legal rules were public, plebeians could not fully trust the system if the magistrates who interpreted, judged, and enforced those rules belonged mainly to one social order.
Under the second Decemvirate, legislative, administrative, judicial, and military authority became concentrated in the same institution.
The Decemvirs could:
- create law
- interpret law
- conduct trials
- enforce commands
- reject appeals
- decide whether their own term should end
When those operating the law stand above the law, written law does not protect civic freedom.
Written law therefore requires correction circuits that control institutional operators.
Decision Criteria V remained divided
The patricians and plebeians belonged to the same Roman community, but they emphasized different values.
The patricians emphasized:
- order
- ancestral custom
- senatorial authority
- the command capacity of magistrates
- the social hierarchy
- continuity of the state
The plebeians emphasized:
- freedom
- physical protection
- fair trials
- limits on public authority
- political participation
- the possibility of social advancement
Written law provided a common text.
However, the two social orders could interpret the same text through different values.
Strong magisterial authority could appear to patricians as necessary for state order and to plebeians as a threat to freedom.
Strong tribunician power could appear to plebeians as protection of freedom and to patricians as obstruction of state functions.
A common legal text could not remove conflict while Decision Criteria remained divided.
IC did not automatically create MD
Written law is IC.
It can make standards of right and wrong visible.
However, IC alone cannot automatically create Moral Discipline MD or civic Maturity M.
Conflict continues when:
- patricians do not treat plebeians as equal members of the community
- plebeians regard all patrician governing functions as hostile
- magistrates lack self control
- legal institutions are used for factional benefit
Law can state which conduct is prohibited.
It cannot by itself create the Moral Discipline needed to respect the other social order and operate institutions fairly.
Written law could also formalize inequality
Written law does not always expand equality.
When the existing order is written down, existing inequality may also become formal law.
The prohibition of intermarriage between patricians and plebeians was a clear example.
Codification can therefore:
- formalize fair institutions
- formalize existing inequality
The fact that a rule is written does not tell us whether it is inclusive or exclusive.
The important question is which Decision Criteria V the law institutionalizes.
Written law could not predict every future issue
Written law organizes problems recognized at the time of its creation.
However, society changes.
As plebeian wealth and military contribution increased, social contact expanded, and new demands for public office emerged, new issues appeared that the original law had not fully anticipated.
Written law therefore required:
- interpretation
- revision
- supplementary institutions
- new forms of representation
- reconsideration of authority distribution
The Twelve Tables were not a final and complete OS.
They were a foundation upon which the Roman Republic could continue adding and revising institutions.
6. Layer 3: Insight
Written law was not the final answer that ended conflict between the patricians and plebeians.
It was an institutional foundation that changed the form of conflict.
Written law moved conflict inside institutions
The form of conflict changed after the introduction of written law.
Before Written Law
- conflict over the interpretation of custom
- resistance to magisterial discretion
- refusal of military recruitment
- street conflict
- direct obstruction by the tribunes
After Written Law
- conflict over the content of legal texts
- conflict over legal interpretation
- conflict over the scope of legal application
- conflict over access to public office
- conflict over marriage rights
- conflict over legal revision
- conflict over which social order controlled institutional operation
The issues did not disappear.
They moved from violence and customary interpretation into disputes over the content, operation, and revision of institutions.
What written law changed
The change can be summarized as follows:
| Issue | Before Written Law | After Written Law |
|---|---|---|
| Governing Standards | Custom reputation and magisterial discretion | Public written rules |
| Legal Information | Concentrated in one social order | Accessible to citizens |
| Conflict Processing | Force refusal and political bargaining | Proposals appeals assemblies and legal revision |
| Public Authority | Unclear boundaries | Partly defined boundaries |
| Plebeian Protection | Tribunes and collective pressure | Tribunes appeal and written law |
| Conflict Itself | Present | Still present |
| Main Question | Whether law should be written | What the law should contain and how it should be operated |
The achievement of written law was not the disappearance of conflict.
It was the increased possibility of processing conflict inside institutions before it destroyed the governing OS.
Written law alone could not protect freedom
Written law had to be connected with appeal, the tribuneship, assemblies, multiple public offices, and legal revision.
Right of Appeal
Citizens needed a route for challenging the misuse or misapplication of law.
Tribunician Power
The tribunes corrected the power gap that prevented individual plebeians from resisting magistrates.
Assemblies
Assemblies gave civic approval to laws and institutional changes.
Senate and Multiple Public Offices
These institutions preserved continuity while preventing total concentration of authority in one body.
Legal Revision
Written law needed to be corrected when it created new problems or formalized unfairness.
After the fall of the Decemvirs, Rome strengthened appeal, the inviolability of the tribunes, and the binding force of plebeian resolutions.
Rome had learned through experience that written law alone could not protect freedom.
Effective IC was necessary
A written rule does not function merely because it exists.
Written law becomes Effective IC only when:
- citizens know the law
- the same law applies to magistrates
- courts are not privately controlled
- citizens can appeal
- tribunes can intervene
- magistrates who violate the law face responsibility
- routes for legal revision exist
- people who use the system are protected from retaliation
Without these conditions, written law becomes formal but ineffective.
The second Decemvirate showed the gap between formal IC and Effective IC.
The legal code was being developed, but appeal had disappeared and justice had been privatized.
The law therefore did not operate as a protection of freedom.
Trust T required a record of fair operation
Written law could help reduce distrust between the two social orders.
However, one act of legislation could not remove distrust accumulated over many years.
The necessary process was:
Creation of Law
→ Fair Operation
→ Correction of Errors
→ Accumulation of a Record
→ Recovery of Trust T
Plebeians feared that patricians would interpret the law in their own interest.
Patricians feared that tribunes and plebeians would obstruct the state.
Trust could recover only when both groups repeatedly observed fair application of the law.
Continued conflict did not necessarily mean institutional failure
The continuation of conflict after the Twelve Tables did not necessarily mean that written law had failed.
Institutional maturity cannot be measured only by the absence of conflict.
More important questions are:
- Does conflict become violence?
- Can people object?
- Can representatives negotiate?
- Can the law be revised?
- Can public authority change hands?
- Can institutions correct themselves?
A society without visible conflict is not necessarily healthy.
Disagreement may simply be suppressed.
The maturity of a republic does not lie in eliminating conflict.
It lies in converting conflict into institutional revision rather than institutional destruction.
Model based on OS Organizational Design Theory
The integrating effect of written law can be expressed as follows:
Integrating Effect of Written Law
＝ Public Access to Law
× Equality of Application
× Effective IC
× Possibility of Appeal
× Representative Institutions
× Trust T
× Moral Discipline MD
Class conflict remains when the following structure continues:
Continuation of Class Conflict
＝ Differences in Interests
× Unequal Access to Public Office
× Bias among Institutional Operators
× Division in Decision Criteria V
× Lack of Trust T
× Lack of Moral Discipline MD
× Weak Routes for Legal Revision
Institutional development can be expressed as follows:
Conflict Centered on NIC
→ Codification
→ Formation of Common Rules
→ New Conflict over Interpretation and Application
→ Appeal Representation and Legal Revision
→ Institutional Maturity
Causal Chain
The continuation of conflict after codification can be summarized as follows:
Distrust of Magisterial Discretion
→ Demand for Written Law
→ Investigation of Foreign Law
→ Establishment of the Decemvirate
→ Public Draft and Assembly Approval
→ Formation of Common Rules
→ Concentration of Operational Authority
→ Despotism of the Second Decemvirate
→ Recognition that Written Law Alone Could Not Protect Freedom
→ Strengthening of Appeal and the Tribuneship
→ New Conflict over Status Public Office and Marriage
→ Continuous Legal Revision
This chain shows that institutionalization is not completed in a single act.
Final Insight
The introduction of written law failed to completely resolve the conflict between the patricians and plebeians because making governing standards visible did not automatically eliminate differences in interests, unequal power, bias among institutional operators, division in Decision Criteria V, or the lack of Trust T and Moral Discipline MD.
The purpose of written law was not to erase conflict.
Its purpose was to move conflict away from violence and arbitrary discretion and into a system of public law, appeal, representation, assemblies, and legal revision.
7. Implications for the Modern World
This analysis can also be applied to modern companies, public institutions, schools, and nonprofit organizations.
Introducing evaluation systems, employment rules, or compliance regulations does not automatically resolve internal conflict.
Conflict will continue when:
- evaluators belong to one faction
- promotion and access to important positions are fixed
- no route for objection exists
- interpretation depends on managerial discretion
- burdens and rewards are distributed unfairly
- whistleblowers or complainants suffer disadvantage
- trust between the field and management is weak
- Moral Discipline needed for fair operation is absent
Stable processing of organizational conflict requires more than written rules.
Apply rules equally
The same standard must apply regardless of position, faction, or relationship.
Monitor institutional operators
The authority to design, interpret, evaluate, and punish should not be concentrated in one body.
Permit appeals
Employees must be able to request review of evaluations, disciplinary actions, personnel decisions, and investigations by another body.
Establish representation
When individuals cannot overcome differences in power, employee representatives, labor unions, ombudsmen, or independent auditors may be necessary.
Allow institutional revision
A rule that was reasonable when introduced may later create unfairness or dysfunction.
Review the distribution of interests
When conflict is caused by differences in status, pay, promotion, or burden, the organization must redesign the interest structure as well as the rules.
Build Trust and MD
Trust does not recover unless the organization repeatedly demonstrates fair operation and correction of errors.
Creating rules is not the end of conflict resolution.
It is the starting point for allowing groups with different interests to disagree, object, revise institutions, and coexist inside the same organizational system.
8. Conclusion
The codification described in Livy’s Book 3 was an important institutional transition in the Roman Republic.
Roman government had depended on custom, precedent, patrician legal knowledge, and magisterial discretion.
Under this structure, plebeians found it difficult to know the content of law and the limits of public authority in advance.
Written law reduced this lack of clarity.
It published governing standards, defined some boundaries of public authority, and created rules that citizens could consult.
However, written law did not remove every difference between the patricians and plebeians.
Conflicts continued over:
- land
- debt
- public office
- military service
- marriage
- honor
- political participation
Those who operated the legal system were also still mainly patrician.
The two social orders continued to use different Decision Criteria concerning order and freedom, state continuity and limits on authority.
They shared legal texts, but continued to disagree over interpretation and operation.
The despotism of the second Decemvirate showed that the existence of law alone could not protect freedom.
Without appeal, the tribuneship, monitoring, divided authority, limited terms, and legal revision, the institution creating law could place itself above the law.
The restoration of appeal, tribunician inviolability, and the binding force of plebeian resolutions shows that Rome reconnected written law with correction circuits.
Later conflicts over intermarriage and access to public office also show that the Twelve Tables were not a final OS.
They were a foundation for continuous institutional development.
Before codification, conflict appeared as unclear discretion, refusal of recruitment, street violence, and direct obstruction.
After codification, conflict increasingly appeared as disputes over interpretation, revision, public office, marriage rights, and representation.
Conflict did not disappear.
However, it became an issue that could increasingly be processed and corrected inside institutions.
This was not a failure of the Republic.
It was the beginning of institutional maturity.
The conclusion of this study is clear:
Institutionalization does not erase conflict. It converts conflict among groups with different interests into forms that do not destroy the community. Written law is the foundation of that conversion. However, without Effective IC, appeal, representation, divided authority, legal revision, Trust T, and Moral Discipline MD, institutional conflict can again develop into despotism or withdrawal from the OS.
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.