One of the reasons lies in normative logic itself, such as in its paradox orin its inconvincible system.
原因之一在于规范逻辑本身，例如其悖论或难以信服的系统。
2
The logic of the paradox of toil is simple.
劳工悖论的逻辑十分简单。
3
The establishing of paradox logical position, provide necessary explanation for the logic structure from the complete nature structure to the incomplete nature structure.