Theory and History of Ontology

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History of Logic

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Theory and History of Ontology by Raul Corazzon | e-mail:


This site is for users that cannot see properly the Main Site ( because they have an older browser (desktop or mobile). The content is identical, but the design is easier.


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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 is best viewed with a recent version of one of the following browsers: Chrome, Edge, Firefox, Internet Explorer, Maxthon, Opera, Safari, UC Browser.

Please note that Internet Explorer is no longer supported by Microsoft as of June 15, 2022.

Pages in Language other than English will contain bibliographical information and references to works published in these languages.

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


Note on the Fonts

These fonts are used:

For the text and the words in ancient Greek: Georgia (Windows, Apple Mac, Linux);

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

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

If you need to download one of these fonts use these links:

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