There are known Antinomies called Logical Contradiction. Self-referrals lead to antinomies.
![](https://s3.ap-northeast-2.amazonaws.com/dclick/image/besedexter/1560148383892)
[Photo](https://s3.ap-northeast-2.amazonaws.com/dclick/image/besedexter/1560148383892)

Famous, like the Cretan saying that all Cretans are liars. The proposition that the Cretans are liars is a false proposition since it belongs to a Cretan, and so the Cretans are not liars. But if the Cretans are not liars, then it is true that the Cretans are liars.

But what if the proposition is again self-referencing but there is no contradiction in the proposition that is self-referencing?
![](https://s3.ap-northeast-2.amazonaws.com/dclick/image/besedexter/1560148417972)
[Photo](https://s3.ap-northeast-2.amazonaws.com/dclick/image/besedexter/1560148417972)

Then a self-closing circle, a flat circle emerges.
If you define nationalism through the definition of nationalism and this definition is accepted as a sociological definition, for example, this is exactly the case.

Self-references that do not contradict their content lead to endless repetitions.

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