See his “Remarks on Boole’s Mathematical Analysis of Logic.” Report of the 36th Meeting of the British Association, Transactions of the Sections, pp. 3–6.

Hamilton’s Lectures, vol. iv. p. 319.

Ibid. p. 326.

Pure Logic, or the Logic of Quality apart from Quantity; with Remarks on Boole’s System, and on the Relation of Logic and Mathematics. London, 1864, p. 3.

La Philosophie Positive, Mai-Juin, 1877, tom. xviii. p. 456.

Inventum Novum Quadrati Logici, &c., Gissæ Hassorum, 1714, 8vo.

See Ueberweg’s System of Logic, &c., translated by Lindsay, p. 302.