How Can There Be Such a Coincidence? (5)
5. A Symbol Reveals the Truth About Theft
The permutation set is a basic concept, but the notation of permutation sets with the symbol "S" is unique to He (2009).
in English,
It is defined in my original manuscript (in Chinese) as follows (translated): "Let m be a positive integer, Hm={i|i=1,2,...,m} denote a set of integers from 1 until m , the subscript m represents the number of elements in the set. Any arrangement of elements of Hm is a vector of the positive integers in m-dimensional real Euclidean space Em. There are (m!) different arrangements for Hm, and they form a set, denoted as Sm.
C.D.Lin frequently used the exact same symbol "S" as He (2009) without definition in her doctoral thesis. her "S" is stoling from He(2009). It is more interesting to define the permutation set and change a symbol in Lin(2009) (P.1). That is there is no silver three hundred taels here.
