20世纪50年代以来的英美法理学异常繁荣,各种理论进路纷至沓来。哈特与凯尔森、哈特与富勒、哈特与德沃金、德沃金与菲尼斯、拉兹与菲尼斯、拉兹与科尔曼的争论此起彼伏。他们的法律理论回应了不同的问题并提出了不同类型的概念主张,他们的概念主张具有不同的理论目标。从概念分析的角度看,20世纪英美法理学中的许多论战都是概念分歧,法学家的争论无非是他们的各说各话,许多貌似冲突的主张实际上是相容的。
British and American legal jurisprudence has ever prospered since 1950s when various theories are introduced.The debates between Hart/Kelsen,Hart/Fuller,Hart/Dworkin,Dworkin/Finnis,Raz/Finnis,and Raz/Coleman are constantly in proceeding.Their legal theories respond to different questions and thus different types of concepts are proposed with different theoretical goals.From the perspective of conceptual analysis,such debates occurred in last Century are actually conceptual divergence and the seemingly contradictory propositions are in fact of compatible nature.