The previous two essays sketched the spectrum and distinguished the ground of a right from the duties generated by particular claims. This essay moves inside the two spines: how thick a basic right is and where its boundary falls; how a recognition-based right acquires institutional validity, practical force, and moral legitimacy; and how each can fail.

1. The Thickness of Basic Rights

A basic right is not a thin floor line — it is an entire layer with real thickness, running from the most basic level of life and body up to higher capacities like self-expression and self-direction. Whether something counts as part of this layer requires passing two tests together.

The first test is whether a claim protects an irreplaceable dimension of a subject's existence, cognition, or development rather than merely one contingent resource or tool. Food, education, and money are conditions for realizing those dimensions. Their specific delivery can be institution-dependent, but minimum nutrition, care, and education can become the content of positive claims when life and the formation of agency depend on them. The second test is whether depriving a subject of that dimension, or of an irreplaceable condition for it, directly damages the capacity to sustain, form, or carry out a law of its own.

The key point is that this thickness concerns irreplaceable standing, not present function. Someone who loses bodily capacities through illness or injury loses none of that standing. What changes is the current range of personal exercise and the support required. Standing remains intact; modes of exercise can change.

2. Two Kinds of Recognition, Two Kinds of Boundary

Two kinds of recognition are often conflated. Constitutive recognition creates a particular institutional position, such as eligibility to vote or hold office. Declaratory recognition acknowledges a right whose moral ground does not depend on that institutional decision. Abolition did not invent the moral claim against enslavement; it ended a violation and established legal protection. The ground of a basic right does not require constitutive recognition, though realizing it may still require institutions and duties in others.

The better test is not to remove every other person — rights become concrete in relations — but to remove the particular institution. If the moral reason for the claim remains, it has a basic ground. If its meaning disappears with an electoral procedure, corporate law, or an eligibility rule, it is institutionally constituted. This also yields two boundaries: an intrinsic boundary marking dimensions that cannot be redefined by external use, and an encounter boundary where the claims, liberties, and duties of several subjects must be coordinated.

3. Why the Encounter Boundary Can Always Be Questioned

Because each person's protected sphere meets those of others in shared situations, the exact boundary in a particular encounter cannot always be settled in the abstract. It must remain open to justification and review case by case.

Handling one live dispute generally takes one of two forms: something court-like — when a binding decision, an enforceable remedy, or preventive restraint is genuinely needed, a procedure with real authority to decide; or something closer to mutual, peer-level verification — a decentralized check with no referee, in which the parties involved still test whether each continues to recognize the others as subjects. Which one applies depends on what is actually needed — a binding resolution, or an ongoing mutual check that both sides still recognize each other — not on which mode ranks "higher."

4. Three Operational Conditions and a Legitimacy Gate

A recognition-based right generally needs three conditions to become a valid and operative institutional position: an invocable legal or social form, stable expectations in the surrounding community, and real capacity for enforcement and remedy. These conditions establish validity and efficacy; they do not by themselves establish legitimacy. Slavery, segregation, and hereditary privilege can also possess rules, acceptance, and coercive force. A fourth gate is therefore necessary: the position must be compatible with basic rights and capable of public justification to everyone affected.

5. Four Failures and One Transition

Four failures should be distinguished. Withdrawal occurs when the valid source constituting a legal position is removed. Hollowing-out occurs when the law remains valid and people expect it to apply, but enforcement and remedy disappear. Loss of legitimacy occurs when institutional form and coercive force remain but the position cannot survive the tests of basic rights and public justification; it may still be valid law without being a justified right. Local failure occurs when a right becomes unusable only in certain regions, groups, or procedures. A fifth change is not a failure at all: succession or transfer of the holder, in which the position continues under a new bearer.

Two examples make the distinction clear. A labor-protection statute may remain legally valid while enforcement and remedies disappear; that is hollowing-out. A discriminatory institution may remain widely accepted and vigorously enforced yet lose legitimacy because it violates basic rights. The first separates validity from efficacy; the second separates validity from legitimacy. They can coincide, but they are not the same failure.

6. Rights Straddling Both Spines

Some familiar rights span both spines. Property is a good example. Shelter, tools of subsistence, and personal possessions may be protected by basic claims to survival, bodily security, and minimal control. That does not make a complete system of property natural. Ownership, inheritance, corporate equity, and intellectual property all require legal construction. Taking someone's last blanket may violate survival and bodily integrity before it violates an abstract title.

Whether an affected person can express, refuse, or publicly register a power imbalance changes how the relation becomes visible; it is not a condition for violation. The more completely a person is treated as an object and deprived of response, the more necessary rights analysis becomes. Silence, unconsciousness, terror, and total control do not remove a victim from the domain of rights. Extreme objectification is not the boundary of rights language but one of its most urgent cases.

Conclusion

The basic-rights spine protects complete standing and its irreplaceable conditions, with concrete boundaries justified case by case in encounters among subjects. The recognition-based spine requires institutional form, stable expectations, and enforcement to operate, and it must also pass the tests of basic rights and public justification. The next essay asks how these institutional positions come into contact with power when exercised.