essential undecidability

A Definition Framework of Spatial Logic and Decidability;

空间逻辑的一个定义框架及其可判定性

Further more,he clarified the significance of the undecidability and the antinomies with his conclusion that mathematics does not have crisis.

以批判数学存在基础的各种哲学学派为逻辑起点,普特南围绕数学基础中出现危机的根源进行了深刻剖析,重解了数学上存在不可判定性命题的意义及二律背反的意义,从而得出了数学中不存在危机的结论。