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DTSTART:19700308T020000
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DTSTART:19701101T020000
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DTSTAMP:20260812T035803Z
UID:353bdc8c-a8dc-42c6-87e2-1d0fff957cf4
DTSTART:20060316T020000
DTEND:20060316T040000
SUMMARY:Working Group in the History and Philosophy of Logic\, Mathematics\
 , and Science\nOswaldo Chateaubriand\nWhat is Propositional Logic a Theory
  of\, if Anything?
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END:VCALENDAR