26 Dec
2021
26 Dec
'21
10:16 p.m.
First notions of logic, by Augustus De Morgan 67017 [Subtitle: (preparatory to the study of geometry)] [author: Augustus De Morgan] [Link: https://www.gutenberg.org/6/7/0/1/67017] [Files: 67017-0.txt; 67017-h.htm] Thanks to Richard Tonsing and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Chuck