- Temporal Proximity
- immediate defense only
- fixed time limit
[like statute of limitations]
- extended or no limit [Rothbard: limited by legimacy of claimants]
- extended or no limit for serious crimes; limited/immediate for petty crimes
- Perpetrator Scope
- aggressor only
- aggressor and accomplices [Jeff Valien]
- aggressor, accomplices, and possessors of stolen goods
[Rothbard; innocent third parties with procedural conditions]
- Rectifier Scope
- victim only
- victim and family or clan
- any individual or group who are agents of the victim
- any individual or group representing the victim
- anyone [even random bounty hunters, etc.]
- Limitations on Force aka Appropriate Force
- only enough to stop the ongoing aggression [minimum necessary force]
- only enough to force compensation to the victim + apprehension costs
[David Friedman; economically efficient force]
- enough to likely prevent future aggression by the perpetrator [anti-recidivism]
- enough to minimize future similar aggression by criminals [crime rate based]
- proportional to the aggression [Thomas Aquinas]
- none [Conan the Barbarian]
Mongol General: What is best in life?
Conan: To crush your enemies, see them driven before you, and to hear the lamentation of their women.
See the Wikipedia article on Entitlement Theory of Justice.
A related page is Anarcho-Capitalist Rectification.