Four principles of reasoning: Revision history

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Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

1 April 2018

29 June 2016

13 April 2011

10 April 2011

16 March 2011

19 November 2010

15 November 2010

24 August 2009

22 May 2009

26 December 2008

24 July 2007

29 March 2007

22 March 2007