Substance, Quality, Or Relation?

But suppose we take the noun "truth": here is a case where the disagreements between different theorists have largely turned on whether they interpreted this as a name of a substance, of a quality, or of a relation.

-- John Langshaw Austin (1911 - 1960), English philosopher of language and speech theorist, Philosophical Papers, 3rd ed. (New York: Oxford, 1979), p 73