And I have explained that with regard to both classes of contents I am using the word exist in precisely the same sense a sense, in which it is certainly not self contradictory to suppose that what is perceived, does not exist, and that what is not perceived, does exist; and, in which, therefore, the assumption that a red patch with gold letters on it exists, is a different assumption from the assumption that my perception of a red patch with gold letters on it exists; and the assumption that my perception of a red patch with gold letters on it exists, is a different assumption from the assumption that a red patch with gold letters on it exists.