This paper resolved an open problem proposed by A .P. Stolboushkin and M .A. Taitslin. We studied the expressibility of first order dynamic logic, and constructed infinite recursive program classes K_1 , K_2, …, RG ...This paper resolved an open problem proposed by A .P. Stolboushkin and M .A. Taitslin. We studied the expressibility of first order dynamic logic, and constructed infinite recursive program classes K_1 , K_2, …, RG K_1 K_2 … RF, such that L (RG)<L (K_1)<L (K_2) < … < L (RF), where RG, RF are regular program class and finitely generated recursively enumerable program class respectively, and L (K) is the first order dynamic logic of program class K.展开更多
基金Supported by HTP863 the fund of Beijing laboratory of cognitive science
文摘This paper resolved an open problem proposed by A .P. Stolboushkin and M .A. Taitslin. We studied the expressibility of first order dynamic logic, and constructed infinite recursive program classes K_1 , K_2, …, RG K_1 K_2 … RF, such that L (RG)<L (K_1)<L (K_2) < … < L (RF), where RG, RF are regular program class and finitely generated recursively enumerable program class respectively, and L (K) is the first order dynamic logic of program class K.