Study on word language generated by context-free lattice-valued grammar
WU Jing-jie · jOURNAL OF southwest University for Nationalities · 2010
Based on lattice monid,this paper introduces new grammar model called context-free lattice-valued grammar(CFLG) whose inputs are strings of fuzzy subsets,proves that words language generated by CFLG is closed under union and concatenation,and furthermore,proves the equivalence of CFLG with Chomsky normal form.