Is it possible for a set to equal another set, yet the former set be an element in the latter set? I.e.:
$\mathcal{X} = \mathcal{Y}$, yet $\mathcal{X} \in \mathcal{Y}$
2026-03-26 06:05:27.1774505127
Is it possible that $\mathcal{X} = \mathcal{Y}$, yet $\mathcal{X} \in \mathcal{Y}$?
136 Views Asked by Bumbble Comm https://math.techqa.club/user/bumbble-comm/detail AtRelated Questions in SET-THEORY
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