Theory and History of Ontology

by Raul Corazzon | e-mail:

FEBRUARY 18th, 2018: THIS SITE WILL BE NO FURTHER UPDATED. PLEASE USE: Theory and History of Ontology

ebook: Ontology | Logic

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  • "History Logic" and "Bibliographia" are my other websites. "Table of Contents" gives the list of the pages, for other indexes see the "Sitemap". "Modern Ontologists" contains a table with links to the pages on the most important philosophers of the 19th and 20th centuries who have written on ontology. The "Search" function can be used to find a particular author or subject.


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About This Site

Theory and History of Ontology, created April 13, 2000 at the address, moved August 13th 2010 to a new address:; a mobile version is available when the screen resolution is less than 480 x 500 pixels.

The site contains 283 pages ("History of Logic" 70 pages) and the two sites had more than 15,000 bibliographic references; they are best viewed with a recent version of one of the following browsers: Chrome, Edge, Firefox, Internet Explorer, Maxthon, Opera, Safari, UC Browser.

There are two sections, currently under development, for Italian and French readers (see Pages in Language other than English), that will contain bibliographical information and references to works published in these languages.

The site is available in five different location (the content is identical):

Ebook and PDF version: (the entire website can be downloaded in .epub or .mobi format, or as a searchable PDF file)

For readers with older browsers another website with an easier menu is available:

Please note that only Internet Explorer version 11 is supported by Microsoft after January 12, 2016 (see "Stay up-to-date with Internet Explorer").

I created these websites to ensure to my readers the best performance and accessibility everywhere in the world.


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For the text: Georgia (Windows, Apple Mac, Linux);

For the terms in Ancient Greek: Arial (Windows, Apple Mac, Linux).

For the transliteration of Arabic terms: Arial (Windows, Apple Mac, Linux).

For the logical symbols: Lucida Sans Unicode (Windows); Lucida Grande (Apple Mac); Lucida Sans or DejaVu Sans Condensed (Linux);

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