A dissertation upon the supposed existence of a moral law of nature, and upon the being of a triune god. Wherein is shewn that the idea of the former is not to be found in scripture, and is contrary to reason: and that the latter is contained in scripture, and is not contrary to reason. With a letter to the Right Reverend Thomas, Lord Bishop of Oxford. And a postscript to the Dunciad, the critical and monthly reviewers