It can be a necessary conceptual truth that pains are painful without this ruling out the physicalist thesis that immaterial minds are impossible or the thesis that conscious states supervene on physical states. The necessity involved in these claims is… — Elliott Sober Copy Share Image
The notion of the perfect whole, the ultimate solution in which all good things coexist, seems to me not merely unobtainable--that is a truism--but conceptually incoherent. …Some among the great goods cannot live together. That is a conceptual truth. We… — Isaiah Berlin Copy Share Image