Rejects correspondence theory. There is exactly one complete truth, no competing truths 2. Correspondence theory of truth. Philosophy split into 'continental' and 'analytic' styles. More on Sokal later.
Different cultures have many different beliefs.
Therefore, there are many different truths. If we can't know about something, there's no reason to believe in it. We can't know about objective reality. For, whatever we perceive is only a perception or 'representation' in our own minds, and so is not objective reality. So there is no reason to believe in an objective reality.