1, 2, + 是定义, 1+1=2 是真理. Mathematical theorems are not based on f

来源: 于 2019-08-09 12:36:09 [旧帖] [给我悄悄话] 本文已被阅读：次

In contrast 牛顿力学, 相对论 are fact based, or need to be verified by fact. We can only say 相对论 is consistent with all the experimental results so far. Even when all predictions and implications of 相对论 are confirmed. it is a perfect theory, not necessarily 真理.