Calumny and defamation retorted : Or, some brief animadversions upon an erroneous and dangerous position, lately advanced and defended from the press, by the Reverend Dr Anthony Bliss, vicar of Portsmoouth, viz. That according to the terms of the Gospel, it is not absolutely necessary to the salvation of a person, professing himself a Christian, and having proper light, and sufficient means of conviction, to believe the divinity of our Lord and Saviour. Together with a vindication of the truth of that sacred and prime article of the Christian faith, and of the indispensable necessity of believing it. In a letter to the said doctor. By William Du-Gard, M.A. rector of Warmingham in Cheshire.