古典論理
↑ Nicholas Bunnin; Jiyuan Yu (2004). The Blackwell dictionary of Western philosophy. Wiley-Blackwell. p. 266. ISBN 978-1-4051-0679-5. https://books.google.co.jp/books?id=OskKWI1YA7AC&pg=PA266&redir_esc=y&hl=ja
↑ L. T. F. Gamut (1991). Logic, language, and meaning, Volume 1: Introduction to Logic. University of Chicago Press. pp. 156–157. ISBN 978-0-226-28085-1. https://books.google.co.jp/books?id=Z0KhywkpolMC&pg=PA156&redir_esc=y&hl=ja
↑ Gabbay, Dov, (1994). 'Classical vs non-classical logic'. In D.