此压缩包包含两个程序，都是《离散数学》中的经典程序，分别是关系矩阵的性质和求关系矩阵的闭包，程序有详细的注释和运行提示。-This compressed package contains two programs are " Discrete Mathematics" in the classic procedure, namely, the nature of the relationship matrix and the matrix and demand the clos