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, remembered primarily as the developer of the theory of speech acts, Philosophical Papers (1979) edited by James Opie Urmson and Geoffrey James Warnock, 3rd edition, p. 73