Revision history for entry Ackermann, Wilhelm: Ein System der Typenfreien Logik I [ACKESD]

NB: for privacy reasons, few details are provided in public revision histories.
TimeTypeNotes
2019-02-05T22:19:00updateSystem / admin update
2017-01-28T21:30:59updateSystem / admin update
2015-02-05T15:35:39updateSystem / admin update
2015-02-05T06:50:27addSystem / admin update