Revision history for entry Gödel, K. (1931). "Über formal unentscheidbare Sätze der Principia Mathematica und verwandter Systeme I" [GDEBFU]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2011-03-20T01:58:52update
2011-03-20T01:58:44update
2011-03-20T01:41:44update
2011-03-20T01:41:44add