%A Russell, Bertrand %A Slater, John G. (John Greer) %A Frohmann, Bernd %T Logical and philosophical papers, 1909-13 %I Routledge %D 1992 %S The collected papers of Bertrand Russell / general editor, John Passmore %V v. 6 %U https://ci.nii.ac.jp/ncid/BA19079666