Revision history for entry Hatcher, William S.: Peter Aczel. Frege structures and the notions of proposit.. [HATPAF]

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2022-09-07T10:08:06update
2019-05-24T17:19:37updateSystem / admin update
2019-05-24T14:50:19updateSystem / admin update
2019-05-24T10:03:51addSystem / admin update