https://echo.ishian.me/categories/discrete-math/Recent content in Discrete Math on IshianHugoenFri, 27 Sep 2024 00:00:00 +0000https://echo.ishian.me/2024/09/27/discretemath-abstract-algebra/Fri, 27 Sep 2024 00:00:00 +0000https://echo.ishian.me/2024/09/27/discretemath-abstract-algebra/讲解半群、群、子群、循环群及环、域等近世代数结构的定义与性质https://echo.ishian.me/2024/08/07/discretemath-algebra-system/Wed, 07 Aug 2024 00:00:00 +0000https://echo.ishian.me/2024/08/07/discretemath-algebra-system/讲解代数系统的定义、二元运算的性质及幺元、零元、逆元等特殊元素https://echo.ishian.me/2024/04/29/discretemath-graph/Mon, 29 Apr 2024 00:00:00 +0000https://echo.ishian.me/2024/04/29/discretemath-graph/讲解图的基本概念、度数、路径回路、连通性及欧拉图与哈密尔顿图等图论基础https://echo.ishian.me/2024/04/22/discretemath-set/Mon, 22 Apr 2024 00:00:00 +0000https://echo.ishian.me/2024/04/22/discretemath-set/讲解集合的基本概念、运算、笛卡尔积、关系与函数等集合论知识https://echo.ishian.me/2024/04/19/discretemath-mathamatic-logic/Fri, 19 Apr 2024 00:00:00 +0000https://echo.ishian.me/2024/04/19/discretemath-mathamatic-logic/讲解命题逻辑与谓词逻辑的基本概念、等价公式及推理规则