( Z,* ) be a structure, and * is defined by n * m =maximum ( n , m ) Which of the following statements is true for ( Z, * ) ?

( Z,* ) be a structure, and * is defined by n * m =maximum ( n , m ) W

1.	( Z,* ) be a structure, and * is defined by n * m =maximum ( n , m ) Which of the following statements is true for ( Z, * ) ?
A.	( Z,* ) is a monoid
B.	( Z,* ) is an algebraic group
C.	( Z,* ) is a group
D.	None of the mentioned
Answer» E.

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