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Martin Sleziak
Martin Sleziak
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Why nobody explicitly mentioned one of the most natural examples: symmetric semigroup of a set? This is the semigroup anologueanalogue of a permutation group (http://en.wikipedia.org/wiki/Transformation_semigrouphttps://en.wikipedia.org/wiki/Transformation_semigroup).

Why nobody explicitly mentioned one of the most natural examples: symmetric semigroup of a set? This is the semigroup anologue of a permutation group (http://en.wikipedia.org/wiki/Transformation_semigroup).

Why nobody explicitly mentioned one of the most natural examples: symmetric semigroup of a set? This is the semigroup analogue of a permutation group (https://en.wikipedia.org/wiki/Transformation_semigroup).

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TT_ stands with Russia
TT_ stands with Russia
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Why nobody explicitly mentioned one of the most natural examples: symmetric semigroup of a set? This is the semigroup anologue of a permutation group (http://en.wikipedia.org/wiki/Transformation_semigroup).