很多人在嘲讽提问者,这是知乎吗? 正经答一下。 提问者应该是没搞清楚 “数”和“数的表示方法”。 举个例子,在大家都承认同一套数学体系下,“桌上有几个苹果”? 他的答案是一个确定的“数”。 中国人说. I am wondering whether it is infinite.in other words can we prove that the set of recursive languages is infinite ? The above question has small
Jonathan Ramirez A Nova, fresh off a long stint at Fresh Pond, out an
I know that set of all deciders is countable.