数学不是在设计完美的悖论嘛
“The door must be kept closed at all times.” Didn't realise the illogicality of this common notice. The jokes of bar and trading floor are also classic.
前面有点无趣,后面比较有意思,不过限于边幅,都是点到即止的科普。(8分)
@2019-02-13 19:25:44
“人脑和计算机都是信息处理系统,受逻辑规则支配”。那说到底计算机就是一台逻辑机器,反向来说如果要理解计算机的底层运算规则,一个人得先把逻辑学学好