*1914年,《关系逻辑的简化 A simplification in the logic of relations》。<ref>{{cite journal |title=A simplification in the logic of relations |journal=Proc. Camb. Phil. Soc. |volume=13 |pages=387–390 |year=1912–14 }} </ref>转载于让·范·海耶诺特(1967年)。从弗雷格 Frege 到哥德尔 Gödel :《数学逻辑资料集》,1879–1931年。哈佛大学出版社。第224-7页。<ref>{{cite book |first=Jean |last=van Heijenoort |authorlink=Jean van Heijenoort |title=From Frege to Gödel: A Source Book in Mathematical Logic, 1879–1931 |publisher=Harvard University Press |year=1967 |pages=224–7 }}</ref> | *1914年,《关系逻辑的简化 A simplification in the logic of relations》。<ref>{{cite journal |title=A simplification in the logic of relations |journal=Proc. Camb. Phil. Soc. |volume=13 |pages=387–390 |year=1912–14 }} </ref>转载于让·范·海耶诺特(1967年)。从弗雷格 Frege 到哥德尔 Gödel :《数学逻辑资料集》,1879–1931年。哈佛大学出版社。第224-7页。<ref>{{cite book |first=Jean |last=van Heijenoort |authorlink=Jean van Heijenoort |title=From Frege to Gödel: A Source Book in Mathematical Logic, 1879–1931 |publisher=Harvard University Press |year=1967 |pages=224–7 }}</ref> |