Over the next few days I shall publish here my response to the ELCA Sexuality Statement. Below is Part I:
Since the time of David Hume (1711-76), philosophers have been struggling with the question of whether “ought” can be inferred from “is.” Famously, Hume held that it “seems altogether inconceivable how this new relation [ought] can be a deduction of others [is] which are entirely different from it.[i] Accordingly, propositions of how the world is simply cannot entail statements of how it ought to be.
Against this, naturalists of all stripes, including Hume’s contemporary Jeremy Bentham (1748 -1832) hold that how things are do entail how they ought to be. Famously, Bentham’s Principle of Utility “approves or disapproves of every action whatsoever, according to the tendency which it appears to have to augment or diminish the happiness of the party whose interest is in question.” [ii] Reflecting on the nature of this approval, classical utilitarianism argues that one ought to do that act which augments the happiness of those whose interest is in question. Evolutionary ethical theory thus permits a move from ‘is’ to ‘ought’. If human beings are instilled by the evolutionary process with a moral sense, then the fact of this sense does entail what they ought to do.
In 1903, G.E. Moore (1873-1958) launched a classic argument against any kind of ethical naturalism. In his “open question argument” he points out that a statement like Bentham’s ‘pleasure is good’ cannot mean that pleasure is identical to good, for if that were so, then ‘pleasure is good’ would entail ‘pleasure is pleasure’. [iii] But clearly it remains an “open question” whether or not ‘pleasure is good’, but not that 'pleasure is pleasure'. Thus, anyone asserting that pleasure is good must be “saying something more” about pleasure than that it is pleasure, and this “more” must presupposes a non-natural property of goodness. To say ‘x is good’ or ‘S ought to do y’ is to say something that is in principle irreducible to mere descriptions of natural and social facts. Accordingly, ‘ought’ is of another order than ‘is’.
While philosophers since Moore’s time have been divided over the validity of the open question argument, there is no mistaking that a very powerful tradition of twentieth century philosophical argument followed Hume in denying that ‘ought’ can be derived from ‘is’. After all, even if beneficent values were somehow evolutionarily loaded into human nature, it would still not entail that one ought to act in accordance with those values. For a number of reasons, I am convinced that Hume is essentially right, and that ‘ought’ cannot be derived from ‘is’.
So why do I raise this old controversy in this discussion of the ELCA Draft Social Statement on Human Sexuality (DSSHS)? It is my contention that unknown to the committee members of the ELCA Task Force on Human Sexuality, their work actually presupposes the minority position in this philosophical debate: DSSHS assumes that descriptive statements about God’s incarnation in Christ and His justification of sinful human beings can entail a prescriptive statement about how one ought to behave sexually. By attempting to ground sexual ethics in the Second Article, DSSHS not only is unorthodox, but incoherent. It not only does not hold together rhetorically, it cannot do so logically. By analyzing what God has done for us in Christ, we cannot logically derive how we ought to act as Christians. As paradoxical as this might sound, to claim that we can do so is to confuse Law and Gospel. While from a description of what God has done for us in Christ, we can infer something of what we do in fact do as Christians, we cannot infer what we ought to do as Christians. To claim otherwise is to derive an ‘ought’ from an ‘is’; it is to ground the Law in the Gospel; it is to strike out in a way that Lutherans simply cannot do.
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