...Mr. Kerfey's Elements of Algebra ; a Remark on an Error in the Reafouing of Clairaut, in that Par: of his Elements of Algebra, in which he endeavours to prove the Rules of Multiplication bid down by Writer on Algebra concerning negative Quantities, by the Baron ; a general Merhotl of inveftigating...

...Maseres, there is a remark by the latter on an error in the above author, in his reasoning, •where he endeavours to prove the Rules of Multiplication laid down by writers of Algebra concerning Negative Quant ities. With respect to myself, it will be understood, that I speak...

...cases (“forms”). One of the numerous texts in the appendix to Frend's textbook is noteworthy: “A remark on an error in the reasoning of the late learned...writers on algebra concerning negative quantities” (ibid., 514—518). Frend here indeed revealed an error in the argumentation of many authors who wanted...