Human Nature and the Norm: A Metaethical View on the Theory of Natural Law according to Thomas Aquinas

The aim of the paper is to examine metaethical aspects theory natural law in Thomas Aquinas. theses that Aquinas does not reduce meaning term ‘good’ something and derive value judgements from factual. In first part, main arguments are presented favour irreducibility ‘the good’. second argument introduced a dichotomy between fact values (the difference factuals judgments). third understanding concept good introduced. Subsequently, which idea human nature also present. fifth relationship practical reason explained constitution moral norms. penultimate affectivity/emotionality rationality with regard problem determining source or evil. Finally, article concludes Aquinas’ Concept Natural Law an example moderate cognitivism naturalism. commit naturalist fallacy, because working as data provider for reason, creator