Abstract
I am grateful to Nathan Salmon [in Salmon (2012)] for being willing to spill so much ink over my monograph on semantic relationism (2007), even if what he has to say is not altogether complimentary. There is a great deal in his criticisms to which I take exception but I wish to focus on one point, what he calls my ‘formal disproof’ of standard Millianism. He believes that ‘the alleged hard result is nearly demonstrably false’ (p. 420) and that the disproof contains a ‘serious error’ (p. 407). Neither claim is correct; and it is the aim of this short note to explain why.First some background. In some cases, we are justified (from an internalist standpoint) in inferring the singular proposition F&G(x) from F(x) and G(x) (as when I learn more and more about Obama, for example); and in other cases, we are not so justified (as when Peter, in Kripke’s puzzle case, knows that Paderewski is a pianist and that Paderewski is a politician but does not know that anyone is both a pianist and a poli