See this legally free ebook:
- Principles of Logic, 3rd edition, by George Hayward Joyce, S.J. (London, New York, Toronto, Bombay, Calcutta, Madras: Longmans. Green & Co., 1923). Available on this page of the HathiTrust Digital Library.
- The 2nd edition (London, New York, Bombay, Calcutta, Madras: Longmans. Green & Co., 1916) may be read online, and is available in pdf, mobi, epub, and other formats, at Internet Archive, with a second copy at Internet Archive; and it is also available at the HathiTrust Digital Library.
- The 1st edition (London, New York, Bombay, Calcutta: Longmans. Green & Co., 1908) is available at Internet Archive, with a second copy at Internet Archive. It is also available at the HathiTrust Digital Library and (with some pages accessible only to members) at Forgotten Books.
- A text of the 1st edition that incorporates text from the 3rd edition is available on this page (containing the table of contents of the book) at the Logic Museum (© E.D.Buckner 2005, 2013).
On the Feast of Saint Vincent Ferrer in the Roman Rite. For other online texts and more legally free ebooks, you may access the List of Free eBooks (Arranged by Title) and the List of Free eBooks (Grouped by Subject).
“Although times change and knowledge increases, it is possible to discern a core of philosophical insight within the history of thought as a whole… Precisely because it is shared in some measure by all, this knowledge should serve as a kind of reference-point for the different philosophical schools. Once reason successfully intuits and formulates the first universal principles of being and correctly draws from them conclusions which are coherent both logically and ethically, then it may be called right reason or, as the ancients called it, orthós logos, recta ratio…” (Pope John Paul II, Fides et Ratio)