1915 24 191 This principle of self-consciousness resolves itself into various principles, which are all connected with one another in a peculiar non-temporal, non-factual way.
1936 45 359 According to Mr. Ayer every significant, non-factual proposition is analytic; every factual proposition is synthetic.
1994 54 254 The candidates for being (non-factual) objects if inner perception are, first of all, the self itself.