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 "Hintikka, Jaakko",Two papers on symbolic logic: form and content in quantification theory and reductions in the theory of types,,Societas Philosophica,,Acta philosophica Fennica,,,,https://cir.nii.ac.jp/crid/1130282269958584320