• Title, Summary, Keyword: interval-valued fuzzy (complete) inner-unitary subsemigorup

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INTERVAL-VALUED FUZZY GROUP CONGRUENCES

  • Lee, Jeong Gon;Hur, Kul;Lim, Pyung Ki
    • Honam Mathematical Journal
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    • v.38 no.2
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    • pp.403-423
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    • 2016
  • We introduce the concepts of interval-valued fuzzy complete inner-unitary subsemigroups and interval-valued fuzzy group congruences on a semigroup. And we investigate some of their properties. Also, we prove that there is a one to one correspondence between the interval-valued fuzzy complete inner-unitary subsemigroups and the interval-valued fuzzy group congruences on a regular semigroups.