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On minimal ideals in semigroups with respect to their subsets. II. (English) Zbl 0820.20076
The concepts of partial left groups and completely simple semigroups with respect to a subset of a semigroup are introduced. The structures of a) minimal left ideals with respect to a set, b) partial left groups, c) completely simple semigroups with respect to their subsets, are investigated.

##### MSC:
 20M99 Semigroups 20M10 General structure theory for semigroups 20M12 Ideal theory for semigroups
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##### References:
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