Footnotes to Plato from the foothills of the Superstition Mountains

Category: Normativity

  • How to ‘Derive’ Ought from Is

    I demanded an argument valid in point of logical form all of whose premises are purely factual but whose conclusion is categorically (as opposed to hypothetically or conditionally) normative.  Recall that a factual proposition is one which, whether true or false, purports to record a fact,  and that a purely factual proposition is a factual…