fact

theory

Generally the theories we believe we call facts, and the facts we disbelieve we call theories. (Felix Cohen)

is simply another word for a theory we believe and a theory is another word for the facts we disbelieve.

generally the theories we believe we call facts, and the facts we disbelieve we call theories.

Generally the theories we believe we call facts, and the facts we disbelieve we call theories.

is generally another word for the facts we disbelieve and a fact is another word for the theories we believe.