Tolerance numbers, congruence $n$-permutability and BCK-algebras

• 1 January 1992
• journal article
• Published by Institute of Mathematics, Czech Academy of Sciences in Czechoslovak Mathematical Journal
• Vol. 42  (4) , 727-740
• https://doi.org/10.21136/cmj.1992.128368

Abstract

Keywords

• CONGRUENCE
• TOLERANCE NUMBERS
• PERMUTABILITY AND BCK ALGEBRAS