著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "Salles, Sagid",Vagueness as arbitrariness : outline of a theory of vagueness,,Springer,2021,Synthese library,,9783030667801,,https://cir.nii.ac.jp/crid/1130569290936632453