Tuesday, 7/14

Tuesday, 7/14

Natural Law Theory

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Synopsis

Perhaps the final nail in the coffin of Divine Command Theory is the authority St. Thomas Aquinas brings to bear in abandoning it. Aquinas, of course, 'got' the Euthyphro Argument and understood that moral theology requires much more subtley and sophistication than Divine Command Theory's "do it because I said so!" approach.

Natural Law Theory is a fascinating alternative to Divine Command Theory. It assumes the Teleological World View, which is the view that the world and each thing in the world has a purpose or function. A teleological explanation necessarily mentions the purpose or function of whatever is being explained. I find it is easiest to understand the concept of a teleological explanation if we use human artifacts as examples.

What is a watch? It is a device for keeping track of time. If you want an explanation of what a watch is, you refer to its purpose or function. Of course human artifacts have functions or purposes; these are the functions or purposes we humans give them.

According to the Teleological World View, every object in the world has a function or purpose. Thus a tree, a rock, a river, and each granule of sand on the river's bank has a purpose or function.

To modern ears this is a peculiar World View. It just seems odd to say that the rock in the field has a purpose. Certainly we might put it to some purpose or other. But that is not to say that the rock itself has a purpose. The rock itself is just the result of perfectly impersonal geological forces which have nothing to do with intentions or purposes. Similarly, Darwin has taught us that flora and fauna, ourselves included, are the result of environmental factors which have nothing whatsoever to do with purposes.

On the other hand, the teleological world view can be appealing, particularly when we are confronted with tragedy or discomfort which we have a difficult time rationalizing or understanding. For example, one frequently hears phrases like

There's always a reason...

It happened for a reason...

Who knows why it happened, but someday we'll understand...

There's a purpose to this, we just may not know what as yet...

To be sure, these and proclamations like them are most often heard in our hours of desperation. Somehow it is supposed to comfort us that there is a purpose. Taking the Teleological World View seriously thus presents the framework for an interesting alternative to Divine Command Theory.

Natural Law Theory holds that actions are morally right just in case they are consistent with all relevant proper purposes. If an action somehow violates a relevant proper purpose, the action is morally wrong. The best examples of this come from the Catholic Church's interpretation of Natural Law Theory. (Perhaps there are other interpretations?)

According to the Catholic Church, actions like masturbation, the use of contraception, homosexual sex, and abortion are morally illicit--morally impermissible--because they violate or contravene the relevant proper purpose of sex which is, by the Catholic Church's lights, procreation.

A good question is why something like sex must have a proper (singular) purpose. It seems plausible to hold that sex has many purposes, only some of which are directly relevant to procreation.

The upshot is that Natural Law Theory passes the Standard of Clarity only if we have an interpretation available like the Catholic Church's to tell us just what to count as relevant proper purposes. However, any interpretation which professes to establish all relevant proper purposes must be arbitrary since it is impossible to adequately define "proper purpose" in such a way that we can distinguish natural proper purposes from purposes generally. That is, we cannot provide necessary and sufficient conditions on being a proper purpose, so we conclude that Natural Law Theory fails the Standard of Clarity.

Worse, Natural Law Theory also fails the Standard of Coherence because it is externally incoherent: the Teleological World View is false. Or, as I sometimes like to put it, the Teleological World View is a Peculiar World View, since it has us ascribing non-existent properties to objects in the world: most notably, the property of having a purpose or function does not exist for natural objects.

Moving on, Natural Law Theory arguably fails the Standard of Reflective Equilibrium. Making use of the Catholic Church's interpretation in particular, it can be argued that the implications of Natural Law Theory with respect to homosexuality, contraception, and masturbation are pre-theoretically, reflectively, and with many good reasons, intuitively false.

The weight of argument drives us to reject Natural Law Theory as a possibly true theory.

Having concluded our discussion of Moral Theology, we find ourselves in something of a bind.

  1. Either Moral Relativism is true or Moral Theology is true.
  2. Moral Relativism is not true.
  3. Therefore, Moral Theology is true.

Yet our Standards of Evaluation (Clarity, Coherence, and Reflective Equilibrium) were almost as unsparing with respect to Moral Theology. That is, the Standards dismiss Cultural Ethical Relativism and Subjectivism as possibly true moral normative theories, but if morality is not relative it must be universal. The usual place to find universal moral judgments is in religion, yet the Standards also reject Divine Command Theory and Natural Law Theory.

At this point it is tempting to throw one's hands up and protest that we simply have no idea whether any good reason can ever be given for the moral rightness or wrongness of an action. If we cannot have recourse to supernatural sources for moral norms, how shall we find them in the natural world? Didn't Hume, after all, teach us that we can't?

One response to is to argue that (1) is a false dilemma, which simply means that we have to find some further alternative to both Moral Relativism and Moral Theology.

Put simply, our challenge at this point is to find a non-relative, non-theological moral normative theory, since neither alternative, Divine Command Theory or Natural Law Theory, is plausible in light of the Standards of Clarity, Coherence, and Reflective Equilibrium. Today we got started on the first of three major moral normative theories which attempt to provide this alternative.

Utilitarian Ethical Theory (UET) is a cluster of theories all of which start from the notion that the morality of an action is determined by its consequences. Crudely put, right actions have good consequences; wrong actions have bad consequences. Exactly how we determine the good in good consequences or the bad in bad consequences is a problem for axiology, or the study of value. We might argue, for example, that happiness is the sole intrinsic good, where intrinsic goods are those goods sought for their own sake and extrinsic or instrumental goods are sought for the sake of something else. If happiness is the sole intrinsic good, then those states of affairs which bring about greater happiness are intrinsically more valuable than states of affairs which do not. If, further, we seek to maximize happiness by our actions for the greatest number considered equally, we have the core idea of what we shall call Classical Utilitarianism (CU).