‘Explain the Natural Moral Law Theory of Aristotle and Aquinas.’ (25)

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‘Explain the natural moral law theory of Aristotle and Aquinas.’ (25)

Natural law is seen to have the longest tradition of any approach to moral philosophy; it is the idea that humans have a specific nature, purpose and function. The ‘natural’ is the thought that something has a basis in nature, reality and truth; and not made or caused by human kind. And the ‘law’, is known as an existing condition that is binding and immutable, therefore meaning that it cannot be changed. These moral laws are known through reflection and rationality and that uphold our purpose in life.

One key influence of natural and moral law is Aristotle (384 BC-322 BC) Aristotle argued that we can discover how people should behave by studying how people do behave; observation and rational analysis of human nature is the surest foundation for judgments about it. Aristotle sees goodness in something fulfilling its nature, goodness lies in being fulfilled, flourishing, and moral wrongdoing lies in falling short, failing to fulfill human potential. One of Aristotle’s arguments is known as the ‘function argument’, in which he suggests that all human beings have a greater variety of functions than animals and plants do.

Aristotle’s theory is concerned with the essence of something, when considering why an object exists, he asks the efficient cause question of ‘how did it happen?’, yet he also then asks ‘what is it for?’, which is known as the final cause, this is seen as the most important question as it relates to its purpose. His theory also concludes with the idea that perfection is reached when the object does exactly what it was invented to do. The final good for man, according to Aristotle is known as ‘eudaimonia’ which means to flourish, happiness, living well and to thrive. It is obvious that for Aristotle, a fulfilled and flourishing, good human being is one whom lives healthily

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