Let the set A defined as follows A = {B} and the set B defined as follows B = {A}. Does A exist within ZFC Axiom system? - Quora
![12/19/20151 … and now for something completely different… Set Theory Actually, you will see that logic and set theory are very closely related. - ppt download 12/19/20151 … and now for something completely different… Set Theory Actually, you will see that logic and set theory are very closely related. - ppt download](https://images.slideplayer.com/27/9000000/slides/slide_5.jpg)
12/19/20151 … and now for something completely different… Set Theory Actually, you will see that logic and set theory are very closely related. - ppt download
![i didn't understand the null set with example. Please give a proper example of null set. I will be waiting for you answer - dxiyds22 i didn't understand the null set with example. Please give a proper example of null set. I will be waiting for you answer - dxiyds22](https://images.topperlearning.com/topper/tinymce/imagemanager/files/42d446b83f7ef516117e0b175655880e5e9acb11032272.62653725IMG20200418150835.jpg)