TY - JOUR ID - Saeid2009 LB - Saeid2009 AU - Saeid, Arsham Borumand TI - Vague BCK/BCI-algebras ST - Vague BCK/BCI-algebras JO - Opuscula Math. JA - Opuscula Math. JF - Opuscula Mathematica PY - 2009 VL - 29 IS - 2 SP - 177 EP - 186 DO - http://dx.doi.org/10.7494/OpMath.2009.29.2.177 UR - http://dx.doi.org/10.7494/OpMath.2009.29.2.177 AB - In this note, by using the concept of vague sets, the notion of vague \(BCK/BCI\)-algebra is introduced. And the notions of \(\alpha\)-cut and vague-cut are introduced and the relationships between these notions and crisp subalgebras are studied. KW - vague sets KW - vague \(BCK/BCI\)-algebra KW - vague-cut SN - 1232-9274 ER -