Non-aggression principle¶
Treat the initiation or threat of force against persons or legitimately held property as presumptively impermissible, while making the underlying theories of rights, ownership, risk, remedy, and defensive force explicit.
Core Idea¶
The non-aggression principle is a libertarian moral and political principle according to which initiating or threatening force against another person's body or legitimately held property is impermissible, while defensive or rectifying force is assessed under separately stated conditions. The principle classifies conduct by first assigning rights and holdings, then asks which party initiated an invasion of those rights; that classification constrains permissible coercion, but it cannot determine cases until acquisition, transfer, consent, risk, fraud, defense and remedy are independently specified.
Scope of Application¶
Non-aggression principle applies when the analyst can specify a normative framework governing interactions among persons and claims over bodies, possessions, contracts, risks, and defensive responses and establish that a norm prohibits initiatory force or rights invasion, distinguishes it from justified defense, and binds the judgment to an explicit account of persons, property and consent rather than defining aggression only by the desired verdict. The entry is a qualified reference account of a contested political-philosophy doctrine. It neither endorses the principle nor states jurisdiction-specific law, and all legal applications require authoritative current law and professional analysis in the relevant jurisdiction.
Clarity¶
A clear claim names the carrier, governing rule, assumptions, and recognition test. This matters because aggression can be defined descriptively, morally or legally; property and consent theories disagree; and proponents differ over fraud, pollution, threats, risk, children, emergencies, intellectual property and the state.
Identity and measurement remain separate. Empirical claims about effects of NAP-inspired institutions require independent social-science evidence.
Manages Complexity¶
The abstraction compresses natural-rights, consequentialist and rule-based defenses, anarcho-capitalist and minarchist uses, absolute and presumptive formulations, person- and property-centered versions, differing accounts of fraud and threat, pollution and risk cases, and competing theories of acquisition and rectification into a stable carrier, rule, invariant, and failure boundary. It makes comparison tractable while retaining the variables that control validity.
Abstract Reasoning¶
- Type the carrier. Establish a normative framework governing interactions among persons and claims over bodies, possessions, contracts, risks, and defensive responses and reject examples from a different problem. 2. Lock the rule. Express that a norm prohibits initiatory force or rights invasion, distinguishes it from justified defense, and binds the judgment to an explicit account of persons, property and consent rather than defining aggression only by the desired verdict independently of one notation or implementation.
Knowledge Transfer¶
Transfer within political philosophy is strong when new cases preserve the same carrier, mechanism, and diagnostic. The move from Under a rights-based formulation, an unprovoked assault is prohibited as initiatory force while proportionate force used to stop that assault is evaluated as defense rather than a second initiation to A pollution dispute tests whether imposing physical particles or risk on another's property counts as aggression, revealing the need for thresholds, causation, title, remedy, and reciprocal-use rules demonstrates that continuity.
Relationships to Other Abstractions¶
Current abstraction Non-aggression principle Domain-specific
Parents (1) — more general patterns this builds on
-
Non-aggression principle is a kind of Constraint Prime
The proposed strict upward parent is
prime:constraint.
Hierarchy path (1) — routes to 1 parentless root
- Non-aggression principle → Constraint
Neighborhood in Abstraction Space¶
Non-aggression principle sits in a sparse region of the domain-specific corpus (61st percentile for distinctiveness): few abstractions share its structure, so a faithful description tends to retrieve it precisely.
Family — Rights, Liability & State Authority (28 abstractions)
Nearest neighbors
- Norm (philosophy) — 0.87
- Injury (law) — 0.87
- The Man — 0.86
- Right of revolution — 0.86
- Evidence (law) — 0.86
Computed from structural-signature embeddings · 2026-09-08