摘要 : <正> How many lower solutions does a finite fuzzy relation equation have? E. Czogala and others have given an estimation to upper bound in Ref. (2)In this paper, an exact formula of the number of lower solutions of the finite fuzz... 展开 <正> How many lower solutions does a finite fuzzy relation equation have? E. Czogala and others have given an estimation to upper bound in Ref. (2)In this paper, an exact formula of the number of lower solutions of the finite fuzzy relation equation 收起