Certain Propositions by which the Doctrin of the H. Trinity is So Explain'd, According to the Ancient Fathers, as to Speak it Not Contradictory to Natural Reason Together with a Defence of Them, in Answer to the Objections of a Socianian Writer, in His Newly Printed Considerations on the Explications of the Doctrin of the Trinity : Occasioned by These Propositions Among Other Discourses : in a Letter to that Author