Remarks on

Remarks on "Representable Difference Algebras"

In this note we show that a representable difference algebra is equivalent to a commutative BCK-algebra.

I. Chajda and P. Emaonvsky, Representable difference algebras, Kyungpook Math. J., 44(2004), 335-342.
J. Meng, Difference algebras Selected Papers on BCK- and BCI-algebras, 1(1992), 33-39.
J. Meng and Y. B. Jun, BCK-algrbras, Kyung Moon Sa Co., Seoul, 1994.
E. H. Roh, S. Y. Kim, Y. B. Jun and W. H. Shim, On difference algebras, Kyungpook Math. J., 43(2003), 407-414.
H. Yutani, On a system of axioms of a commutative BCK-algebras, Math. Seminar Notes, 5(1977), 255-256.