Principia Mathematica: Difference between revisions

Principia Mathematica (edit)

31 bytes added , 3 October 2016

Adding categories

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Revision as of 05:36, 20 July 2015 (edit) Doug86 (talk \| contribs) No edit summary Tag: sourceedit ← Older edit		Revision as of 21:40, 3 October 2016 (edit) (undo) SOTO (talk \| contribs) (Adding categories) Tag: categoryselect Newer edit →
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	[[Category:Books from the real world]]		[[Category:Books from the real world]]
			[[Category:Non-fiction books]]