Furthermore, he had a dispute with Ningetsu ISHIBASHI about his three books on Germany, and also instigated a dispute on "anti-idealism," by publishing critical comments in his "Shigarami Soshi" (Constraint Brochure) about realism as advocated by Shoyo TSUBOUCHI.
ちなみに、そのドイツ三部作をめぐって石橋忍月と論争を、また『しがらみ草紙』上で坪内逍遥の記実主義を批判して没理想論争を繰り広げた。