Revision history for entry Liddell, G. F. (1982). "A logic for propositions with indefinite truth values" [LIDALF]

NB: for privacy reasons, few details are provided in public revision histories.
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2013-12-02T01:44:56updateSystem / admin update -
2013-01-12T20:52:03updateSystem / admin update -
2013-01-12T20:52:03updateSystem / admin update -
2011-03-22T18:18:04update
2009-05-24T02:20:46update
2009-05-24T02:20:40update