Abstract

Arc there cases in which an object x is thc same F as an object y but x is not the same G as y, cvcn though x is a G? A11 aihrmativc answer will have drastic repercussions 011 0ne’s account of identity and on one’s quantification theory. For suppose that the expression ‘x is the same F as y’ can be understood as ‘x is an F and y is an F and x is identical with y’, and that ‘x is not the same G as y’ can be understood as ‘it is not the case that x is a G and y is a G and x is identical with y’. Then one may reason as follows.