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

by George Hastings McNair

8. TWO RULES OF CLASSIFICATION.

The rules of logical division are applicable in the making of a logical classification. In addition to these an artificial classification should be made to conform to the one rule: The classification must be appropriate to the purpose in hand. Likewise a natural classification should be made to conform to the rule: Every classification should afford opportunity for the greatest possible number of general assertions.