IMI//QRS///

Authors: Sokhatsky F. N.

Abstract

Some invertibility criteria of an element in associates, in particular in n-ary semigroups, are given. As a corollary, axiomatics for polyagroups and n-ary groups are obtained.

Sokhatsky F. N.
Vinnytsia State Pedagogical University,
Vinnytsia 287100,
Ukraine.



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