“This statement is false” doesn’t refer to anything; it’s its own little world, and consequently truth has no meaning.
What about statements that refer both to themselves and to things in our world, such as “either this sentence is false, or Psychohistorian owes Peter de Blanc $50”?
What about statements that refer both to themselves and to things in our world, such as “either this sentence is false, or Psychohistorian owes Peter de Blanc $50”?