> [!caution] This page contained a drawing which was not converted. Humans always act with purpose. The sink means to better ends. Tautological proof — humans cannot not act. Actions — only indications of scale of preference, even individual does not know their own preferences until they act. Referred to [Exchange] below (next). Actions never provide a specific measure of value. They do, however, offer a certain indication the individuals order preferences. Humans always act to achieve in this they prefer. Whatever action a human takes, they prefer that to any other action available. Although easy to comprehend, the action axiom as wide ranging implications.