CONCEPT
The Changed Nature of Human Action
Jonas's foundational thesis that modern technology has so transformed the scope, duration, and reversibility of human action that all inherited ethical frameworks are structurally inadequate to govern it.
The argument is simple to state and devastating in its implications. When Aristotle codified virtue ethics in fourth-century Athens, the horizon of human action was bounded by the reach of the human hand, the range of the human voice, the lifespan of the human body. Consequences were local, immediate, and reversible. This bounded condition was not a historical accident; it was the hidden premise of every ethical system the Western tradition produced. Kantian universalization assumed recognizable social outcomes within recognizable timeframes. Utilitarianism assumed calculable horizons. Social contract theories assumed contemporaneous parties. Modern technology shattered these constraints. Nuclear weapons, industrial chemistry, ecological disruption, genetic engineering, and now artificial intelligence have granted human beings the capacity for consequences that are global in scope, indefinite in duration, and potentially irreversible in effect. The inadequacy of inherited ethics is not about needing new rules for old situations. The situations themselves have changed.
In The You On AI Field Guide
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