Part of a series which began with Fake news and the ethics of belief.
Last time we looked at how evidence can support a descriptive belief. We will now see if evidence can also support a prescriptive belief.
Take the first on our list:
I ought to do more exercise
Is this a moral imperative, like ‘I must not kill’?
That doesn’t seem right. It is more a ‘pragmatic’ imperative, like ‘I ought to use a Phillips screwdriver on a cross-head screw’.