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Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

• CommentRowNumber1.
• CommentAuthorJ-B Vienney
• CommentTimeAug 3rd 2022

This is an operad which contains all the usual operations on subsets of a set $X$ like union, intersection, symmetric difference… but also much more. They are all particular case of operations $\multiscripts{_^n}{\Delta}{_i^j}:\mathcal{P}(X)^{\times n} \rightarrow \mathcal{P}(X)$ which give an operad when composed together.