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

by George Hastings McNair

The regressive sorites proceeds from the larger to the smaller; i. e.:

All of circle 4 belongs to 5

All of circle 3 belongs to 4

All of circle 2 belongs to 3

All of circle 1 belongs to 2

Hence, All of circle 1 belongs to 5

Other differences become apparent when the omitted conclusions are expressed.

Progressive

Symbolized  Word Form

All A is B  T. Arnold was a teacher, (A)