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\title{
Exam for ``Ordered Algebraic Structures'' (USPA1) \\ winter semester 2018/2019
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\section*{Questions set No. 1}

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\textbf{1.} 
Formulate and prove the ``little'' Stone theorem (about finite Boolean 
algebras).


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\textbf{2.}
Give an example of order whose automorphism group is isomorphic to:
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a) trivial group;             \quad
b) $\mathbb Z / 2\mathbb Z$;  \quad
c) $\mathbb Z / 3\mathbb Z$.



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