*Valid September 30, 2024 - December 25, 2024 at Canadian stores and at indigo.ca, while quantities last, with $50.00 or more pre-tax purchase of eligible product(s), after discounts and plum points redemptions. Minimum purchase amount excludes gift cards, plum+ memberships, Love of Reading products/donations, and shipping costs. Selection may vary between stores and online.
Pure Logic: Or, the Logic of Quality Apart From Quantity; With Remarks On Boole's System and On the Relation of/en-ca/pure-logic-or-the-logic-of-quality-apart-from-quantity%3B-with-remarks-on-booles-system-and-on-the-relation-of/541C72F0-5F0F-47CB-B8C6-A5E6570AB6DF.html541C72F0-5F0F-47CB-B8C6-A5E6570AB6DF
Pure Logic: Or, the Logic of Quality Apart From Quantity; With Remarks On Boole's System and On the Relation of