Index of notation

**Sets and sequences**

We denote by (*A*) the set of subsets of a set *A* (its powerset), and by _{f} (*A*) its set of finite subsets. The difference of two sets *A* and *B* is the set *A* − *B* := {*a* ∈ *A* | *a* *B*}. The empty set is .

We denote by *Seq*(*A*) the set of finite sequences of elements of a set *A*, and by *s*[*i*] the *i*-th element of *s* ∈ *Seq*(*A*). The empty ...

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