Revision history for entry Foxley, Eric (1962). "The determination of all Sheffer functions in $3$-valued logic, using a logical computer" [ERITDO]

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2014-01-24T01:59:46updateSystem / admin update -
2013-11-22T13:33:15updateSystem / admin update -
2010-10-28T13:41:59updateSystem / admin update -
2010-10-01T19:41:01updateSystem / admin update -
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