Old Scores
Colin McGinn, 30 August 1990
“... for who will verify that? Fourth, and most embarrassing, the principle of verifiability is self-refuting: for either it is itself empirically verifiable, or it is ‘merely formal’ (whatever that may mean), or it is meaningless. Since it cannot claim to belong to either of the first two categories, it seems condemned to belong to the third, in which ... ”