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Logic is not only an exact science, but is the most simple and elementary of all sciences; it ought therefore undoubtedly to find some place in every course of education.

William Stanley Jevons (1870). “Elementary Lessons in Logic: Deductive and Inductive : with Copious Questions and Examples and a Vocabulary of Logical Terms”, p.6
Logic is not only an exact science, but is the most simple and elementary of all sciences; it ought therefore undoubtedly to find some place in every course of education.