Excerpt from Deductive Logic: The Notes appended to the Chapters (as distinguished from the foot-notes) are designed to inform the student of any divergences from the ordinary mode of treatment, or to suggest to him further reading on topics which, if noticed at all, are only alluded to in the text. They may be omitted on the first reading.
Thomas Fowler was an English academic and academic administrator, acting as President of Corpus Christi College, Oxford, and Vice-Chancellor of the University of Oxford. Wikipedia