A defence of free-thinking in mathematics. In answer to a pamphlet of Philalethes Cantabrigiensis, intituled, Geometry no friend to infidelity, or a defence of Sir Isaac Newton, and the British mathematicians. Also an appendix concerning Mr. Walton's Vindication of the principles of fluxions against the Objections contained in the Analyst. Wherein It is attempted to put this Controversy in such a Light as that every Reader may be able to judge thereof. By the author of The minute philosopher.