Let ⋅,∗, be idempotent operations on the set A, and * be a commutative operation. We prove, that if the pair (⋅,∗) satisfies the generalized entropic property, then (⋅,∗) is entropic.
DOI: 10.46991/PYSUA.2010.44.2.055 Physical and Mathematical Sciences, 44(2 (222) 55-57