求翻译两个英文句子
问题描述：
求翻译两个英文句子
in mathematics, it is known that 2 + 2 = 4, but there is also knowing how to add two numbers and knowing a person (e.g., oneself), place (e.g., one's hometown), thing (e.g., cars), or activity (e.g., addition).
A Gettier problem is any one of a category of thought experiments in contemporary epistemology这一句one前面怎么加了个any?
答
在数学中,我们都知道2+2=4,但我们还有如何使两个数字相加的认知,对人（如自己）、地点（如某人的家乡）、事物（如汽车）或活动（如加法）的认知.一个Gettier问题可以是现代认知论思想实验的某一类别中的任何一个.any...