[離散] complemented lattice

[mqazz1 (無法顯示)]

let (L, ≦) be a complemented lattice

if x,y屬於L, we define x*y as the least upper bound of {x,y}

then * is a binary operation on L

which of the following statements are ture?

(a) (L,*) is a group

(b) (L,*) is a monoid but not a group

(c) (L,*) is not a monoid


原始: http://ppt.cc/~rOG

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