A Class Room Logic / Deductive and Inductive, with Special Application to the Science and Art of Teaching

by George Hastings McNair

(17) Make clear that a negative conclusion must follow, if one premise be negative.

(18) State and explain the principle which underlies the rule, “If the conclusion is negative one premise must be negative.”

(19) Prove by the process of elimination that no conclusion can be drawn from two particulars.

(20) In a way similar to that of question “19” show that if one premise be particular the conclusion must be particular.

(21) State and explain Aristotle’s dictum.

(22) State the canons of the syllogism.

(23) Symbolize and explain by circles the three canons.

(24) Illustrate the three mathematical axioms which the canons suggest.

12. QUESTIONS FOR ORIGINAL THOUGHT AND INVESTIGATION.

(1) Give an illustration of a valid conclusion being drawn from four terms.