Moral Apologetics

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Divine Command Theory and the Euthyphro Dilemma: Part 2

Editor’s note: This article was originally posted at MandM. It has been posted here with permission of author.


This is a talk I gave to the Philosophy Club at Glendale Community College in Phoenix, Arizona, this weekend. The talk was followed by a long discussion with some faculty, students at the college, and others who zoomed in.

 In this talk, I introduced and defended a divine command theory of ethics. The talk was divided into three parts. In section I, I set out what modern divine command theories of ethics typically contend. I distinguished this from some common misunderstandings in section II. In Section III, I discussed the Euthyphro dilemma. I will suggest this objection is not the conclusive rebuttal it is often assumed to be. In my first post, I reproduced sections I and II. This post will begin my discussion of the Euthyphro objection in section III. 


In my last post, I argued that semantic and epistemic objections to a divine command theory fail. However, the most famous and important objection to divine command theories is an argument known as “The Euthyphro Objection”. After a dialogue written by the ancient Greek philosopher Plato in the 4th century BC. Plato’s original argument is somewhat obscure and applied only to polytheistic religions (those religions that believe in many gods). However, the version used by philosophers today is an adaptation of Plato’s argument for use against monotheistic faiths. Critics of divine command theories appeal to three arguments that are loosely associated with Plato’s dialogue. These are (1) the anything goes objection, (2) the arbitrariness objection, and (3) the vacuity objection. I will take each in turn.

The Anything Goes Objection

One objection is that a divine command theory makes morality arbitrary in the sense that anything at all could be right or wrong. King and Garcia explain the alleged problem in this way:

[Divine command theory] implies that it is possible for any kind of action, such as rape, not to be wrong. But it seems intuitively impossible for rape not to be wrong. So [Divine command theory] is at odds with our common-sense intuitions about rape.[1]

We can formalise the objection as follows:

(P1) If the divine command theory is true, then whatever God commands is morally required.

(P2) God could command rape.

(C1) So, if the divine command theory is true, rape could be morally obligatory.

(P3) But rape could not be morally obligatory.

(C2) Therefore, the divine command theory is false.

In response, divine command theorists have contested (P2) Divine command theorists do not contend that moral requirements are dependent upon the commands of just anyone. They base moral obligations on the commands of God conceived in a particular way. God is an all-powerful, all-knowing, essentially loving, just, immaterial person who created the universe on their conception. Once we realize this, the horrendous deeds objection appears to be unsound.

We can put this in terms of a dilemma: consider (P2): (P2) only holds if it is possible for a fully informed, rational, loving and just person to knowingly command rape. However, this is unlikely. Critics cite examples of rape because they view it as an action that no virtuous person could ever knowingly entertain. So (P2) appears to be false. However, suppose; I am mistaken about this. It is possible for an essentially loving and just person to command rape. Rape, then, would only be commanded in situations where a just and loving person aware of all the relevant facts could endorse it. Under these circumstances, it is hard to see how (P3) could be maintained.

Once we realize that God, as conceived by the divine command theorist, is essentially loving and just, it is difficult, if not impossible, to see how both (P2) and (P3) can be true. Whatever reasons we have for thinking (P2) is true seem to undermine (P3). By contrast, whatever reasons we have for accepting (P3) undermine (P2).


[1]Nathan L King, “Introduction”, in Is Goodness without God Good Enough: A Debate on Faith, Secularism and Ethics, eds. Robert K Garcia and Nathan L King (Lanham: Rowan & Littlefield Publishers, 2008), 11.