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

by George Hastings McNair

(11) Prove that “John Doe is not-honest,” illustrates identity and not contradiction.

(12) Symbolize in three ways contradiction. Fit words to these symbols.

(13) Illustrate contradictory and opposite terms.

(14) Show that words with negative prefixes are not necessarily the contradictory of the corresponding affirmative forms.

(15) State and explain the law of excluded middle.

(16) Symbolize the law of excluded middle.

(17) State the law of sufficient reason. Illustrate.

(18) Illustrate the unity of the three primary laws of thought.

11. QUESTIONS FOR ORIGINAL THOUGHT AND INVESTIGATION.

(1) Prove that the judgment is the elemental form of evolved thought.