Thanks to David (I’ll call him David L. lest readers get confused about the multiple Davids on the screen) for his excellent summary and questions. The first issue he raises is about my appeal to symmetry between consent and non-consent. I say that it’s interestingly asymmetrical if consent is sometimes null but non-consent never is. David L. is quite right that symmetry of this kind is not automatically an important thing, and so it’s no basis for thinking that non-consent must also be capable of being null. But Jonathan is also right, I think, to say that we might find the asymmetry morally puzzling. That’s all I had in mind. The asymmetry just opens up a question. After that, it does no argumentative work. I refer back to the question of symmetry once or twice as I argue for normative consent, but only to stay clear about what it was that was initially puzzling.
David L.’s main concern is focused around my airplane crash example. I should say that I don’t intend that example to elicit strong predictable intuitions. (It is not like the famous trolley problems in that way.) Rather, it is just a story I can use to illustrate what it is that I want to claim. It has also proven very useful to my critics in helping them make clear just where they think I go wrong. You’re welcome.
The main line of worry seems to be that I haven’t clearly or adequately answered what I call the direct authority objection, which holds that normative consent is superfluous. As David L. points out, the crucial distinction is between what conditions materially entail authority, and what conditions morally ground authority. So it’s important first to see that these are two separate things. I give as an example the fact that all present facts about masses, forces, etc., must materially entail all the moral facts. (This claim is available to lots of different metaethical views, though not all, I admit.) But those facts don’t morally ground or support the moral facts. For example, the micro-physical facts that entail that I consent to your using my pen do not morally ground your permission even though they do guarantee it by way of guaranteeing that I consent. Read the rest of this entry »
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