The Overuse of "Natural Law"


It is possible to use "natural law" to condemn or promote most any behavior. The common pattern of argument is to say, "That behavior violates natural law," and pretend the argument is settled in your favor. A scholar in the field says using natural law to argue in this way does a disservice to the origin of the concept.

The philosopher link author says there is considerable disagreement among those who devote much of their lives studying natural law. He says it is best in invoke the concept only after all the various ramifications and consequences have been considered. It does not work well, he says, as a reason to approve or disapprove of some act or belief. 

I found the link interesting when it delved into what he called "practical" issues in natural law. He says it applies best to ground level questions of life, health, knowledge, friendship, virtue and religion. His expanded essay on the "practical" aspects seemed to track with economics and the general idea that competing ideas clash and those which build the most successful societies survive and others disappear. There is in a sense a marketplace for ideas and inferior products are weeded out eventually. It seems to me quite "natural" the world has always worked this way.

I've seen "natural law" invoked to condemn homosexuality and abortion. I never paid much attention to the application of "natural law" to these but I suppose it would be something like, "It is natural law that humans need to reproduce themselves. Therefore, homosexuality and abortion go against natural law."

But, looking at our link's practical issues we see life, health, knowledge, virtue and religion play a role in decisions that apply "natural law." All of these issues can be advanced when a person who is attracted to the same sex is accepted and allowed to thrive. The same is true, maybe even more so, for women who need an abortion. Abortion saves lives of women, saves their health and conforms to some religious beliefs. 

The link discourages use of natural law to justify political arguments. It has been used several times on this blog by commenters who seem, to  me at least, to have little going for them so they hide behind it. As the link author advises, natural law was not meant to be used in this way. 


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